Airfoil

Shapes of airfoil tested in Maxim's apparatus, below. Aeroplane d showed the least "drift" in the wind.

Illustration showing span, chord, and leading and trailing edges.

Term for an aeroplane (i.e. the wing of an "airplane") emphasizing design with intent to yield lift.

Enclosing categories	Airplane
Subcategories
Keywords	Aerodynamics, Texture
Start year
End year

Patents in category airfoil

• Patent GB-1868-392 (English title: Improvements in Propulsion and in Aerial Locomotion, and in Apparatus connected therewith, Parts of which are applicable to Projectiles and to Boilers, Inventors: Matthew Piers Watt Boulton)
• Patent DE-1876-aq (English title: Man-carrying flying apparatus, Inventors: Charles-Alphonse Pénaud)
• Patent LU-1910-8571 (English title: Pivoting carrying surface for airplanes and analogous craft, and method for controlling surfaces of this type, Inventors: Edmond de Marçay • Emile Moonen, Supplementary to patent: Patent FR-1909-419009)
• Patent FR-1907-369937.8219 (English title: Improvements in a lift surface applicable to craft having the ability to lift, sustain, and direct themselves in the air, Inventors: Antoine-Padoue Filippi, Supplementary to patent: Patent FR-1906-369937, Filing date: 1907-09-21)
• Patent US-1859-23163 (English title: Balloon, Inventors: James P. Gage, Filing date: 1859)
• Patent GB-1872-411 (English title: Aërial Machine, Inventors: David Stephens Brown, Filing date: 1872-02-08)
• Patent FR-1876-111574 (English title: Aeroplane or flying aerial apparatus, Inventors: Charles-Alphonse Pénaud • Paul-Élie Gauchot, Filing date: 1876-04-08)
• Patent US-1883-320042 (English title: Apparatus for effecting aerial navigation, Inventors: Frederick William Brearey, Supplementary to patent: Patent US-1880-234947, Filing date: 1883-03-16)
• Patent US-1885-312344 (English title: Vessel for Aerial navigation, Inventors: Eugene F. Falconnet, Filing date: 1883-11-08)
• Patent US-1883-311887 (English title: Vessel for Aerial navigation, Inventors: Eugene F. Falconnet, Filing date: 1883-11-08)
• Patent GB-1884-13768 (English title: Cambered airfoils for deflecting air, Inventors: Horatio Frederick Phillips, Filing date: 1884-10-17)
• Patent GB-1887-316 (English title: Navigable balloon, Inventors: Arthur de Bausset)
• Patent FR-1890-205155 (English title: wing apparatus for aerial navigation, called: Avion, Inventors: Clément Ader, Filing date: 1890-04-19)
• Patent GB-1890-13311 (English title: Flying machines, Inventors: Ross Franklin Moore, Filing date: 1890-08-23)
• Patent GB-1890-20435 (English title: Flying machine, Inventors: Horatio Frederick Phillips, Filing date: 1890-12-15)
• Patent GB-1891-8142 (English title: Navigable balloon, Inventors: Arthur de Bausset)
• Patent FR-1891-205155.1 (English title: cert of addition to the patent registered 19 April 1890, for wing apparatus for aerial navigation, called: Avion, Inventors: Clément Ader, Supplementary to patent: Patent FR-1890-205155, Filing date: 1891-07-07)
• Patent CH-1891-3863 (English title: Dirigible airship, Inventors: Carl Steiger, Filing date: 1891-08-04)
• Patent GB-1891-13311 (English title: Flying machines, Inventors: Horatio Frederick Phillips, Filing date: 1891-08-06)
• Patent FR-1893-230168 (English title: Dirigible airship system, Inventors: Wilhelm van de Voorde • Carl Bugkel, Filing date: 1893-05-18)
• Patent DE-1893-73322 (English title: Airship with air-resistance-guard, Inventors: Wilhelm van de Voorde • Carl Bugkel, Filing date: 1893-05-18)
• Patent DE-1893-77871 (English title: wing assembly for airships, Inventors: Franz F. C. Dähn, Filing date: 1893-12-12)
• Patent CA-1893-45512 (English title: Body for vessels, Inventors: Francis Eugene Mills • Horace Atwater Deming, Filing date: 1893-12-14)
• Patent GB-1894-1445 (English title: Cars for Elevated Structures, Inventors: Henry William Kirchner • George Nathan Chase, Filing date: 1894-01-23)
• Patent US-1894-526700 (English title: Propeller for aerial vehicles, Inventors: Hermann Ganswindt, Supplementary to patent: Patent DE-1894-76727, Filing date: 1894-02-03)
• Patent GB-1894-3128 (Inventors: Francis Eugene Mills • Horace Atwater Deming, Filing date: 1894-02-13)
• Patent US-1895-544816 (English title: Flying-Machine, Inventors: Otto Lilienthal, Filing date: 1894-02-28)
• Patent FR-1894-205155.2 (English title: cert of addition to the patent registered 19 April 1890, for wing apparatus for aerial navigation, called: Avion, Inventors: Clément Ader, Supplementary to patent: Patent FR-1890-205155, Filing date: 1894-06-23)
• Patent GB-1896-9129 (English title: Combined screw propeller and aeroplane, for raising, lowering, and sustaining airships, Inventors: Rudolph Kosch, Filing date: 1896-04-30)
• Patent GB-1896-9144 (English title: Flying and Soaring Machines, Inventors: Percy Sinclair Pilcher, Filing date: 1896-04-30)
• Patent GB-1897-3608 (English title: Flying machine with automatic rudder control, Inventors: Frederick William Lanchester, Filing date: 1897-02-10)
• Patent US-1899-642451 (English title: Kite, Inventors: William H. Hoyt • Claison S. Wardwell, Filing date: 1899-07-01)
• Patent GB-1899-24848 (English title: Improvements in Navigable Balloons or Aerial Machines, specifically ballon cars, Inventors: Francis Alexander Barton, Filing date: 1899-12-14)
• Patent CA-1900-72205 (English title: Air Ship, Inventors: Cassius Montezuma Richmond, Filing date: 1900-12-04)
• Patent US-1901-693943 (English title: Wing for flying machine, Inventors: Walter J. Bell, Filing date: 1901-04-23)
• Patent DE-1901-131394 (English title: Aircraft with two drag-bodies, Inventors: Theodor Haas, Filing date: 1901-07-10)
• Patent US-1901-887931 (English title: Aerial apparatus, Inventors: Charles Joseph Alexandre Fiesse, Filing date: 1901-10-31)
• Patent US-1901-706832 (English title: Covering for aeroplanes, Inventors: Israel Lancaster, Filing date: 1901-11-26)
• Patent US-1901-702120 (English title: Air-ship, Inventors: Harvey B. van Voorhis, Filing date: 1901-12-11)
• Patent FR-1902-322203 (English title: Improvement to means and mechanisms for aerial navigation, Inventors: Thomas Moy, Filing date: 1902-06-18)
• Patent US-1902-827017 (English title: Wing of flying machines, Inventors: Joseph Hofmann, Filing date: 1902-06-27)
• Patent IT-1902-64427 (English title: Air Ship, Inventors: Harvey B. van Voorhis, Supplementary to patent: Patent US-1901-702120, Filing date: 1902-07-11)
• Patent DE-1902-144236 (English title: Apparatus for carrying articles by means of a wing in the air, Inventors: Adrian Baumann, Filing date: 1902-09-14)
• Patent GB-1902-24336 (English title: Mechanically Propelled Aerial Vehicles, Inventors: Howard de Walden • Hans Knudsen, Filing date: 1902-11-06)
• Patent DE-1902-155358 (English title: Procedure for steering flying machines without rudder, by adjusting the wings in the equilibrium position, Inventors: Fritz Robitzsch, Filing date: 1902-11-26)
• Patent FR-1903-330143 (English title: Mechanically Propelled Aerial Vehicles, Inventors: Howard de Walden • Hans Knudsen, Supplementary to patent: Patent GB-1902-24336, Filing date: 1903-03-11)
• Patent FR-1903-330344 (English title: Projectile aeroplane with automatic equilibrium, Inventors: Albert-Constantin-Louis Bazin, Filing date: 1903-03-20)
• Patent RU-1903-12046 (English title: Flying machine, Inventors: Howard de Walden • Hans Knudsen, Supplementary to patent: Patent GB-1902-24336, Filing date: 1903-03-28)
• Patent US-1903-769034 (English title: Aerial vessel, Inventors: Howard de Walden • Hans Knudsen, Supplementary to patent: Patent GB-1902-24336, Filing date: 1903-04-03)
• Patent US-1903-809093 (English title: Navigable balloon, Inventors: Alfred Chiodera, Supplementary to patent: Patent CH-1902-27895, Filing date: 1903-04-28)
• Patent AT-1903-18518 (English title: Flying machine, Inventors: Josef Deixler, Filing date: 1903-07-24)
• Patent GB-1903-18920 (English title: Navigable Aerial Machines, Inventors: Francis Alexander Barton, Supplementary to patent: Patent GB-1899-24848, Filing date: 1903-09-02)
• Patent US-1903-785717 (English title: Aeroplane, Inventors: Alexander P. Criswell, Filing date: 1903-12-28)
• Patent US-1904-792154 (English title: Aeronautic apparatus, Inventors: George McMullen, Filing date: 1904-01-28)
• Patent FR-1904-342188 (English title: Aeronautic machines, Inventors: Orville Wright • Wilbur Wright, Supplementary to patent: Patent US-1903-821393, Filing date: 1904-03-22)
• Patent AT-1904-23174 (English title: Flying machine, Inventors: Wilbur Wright • Orville Wright, Supplementary to patent: Patent US-1903-821393, Filing date: 1904-03-23)
• Patent US-1904-907120 (English title: Aerial machine, Inventors: Henry Shepley Booth, Filing date: 1904-04-26)
• Patent US-1904-897000 (English title: Dirigible air-ship, Inventors: Hippolyte Louis Malécot, Supplementary to patent: Patent FR-1904-342610, Filing date: 1904-05-06)
• Patent US-1904-995550 (English title: Flying-machine, Inventors: George Francis Myers, Supplementary to patent: Patent US-1897-01-29 George Francis Myers, Filing date: 1904-05-31)
• Patent GB-1904-12503 (English title: Navigable Aerial Machines, Inventors: Francis Alexander Barton, Filing date: 1904-06-02)
• Patent US-1904-785740 (English title: Covering for aeroplanes, Inventors: Israel Lancaster, Supplementary to patent: Patent US-1901-706832, Filing date: 1904-07-12)
• Patent US-1904-876125 (English title: Flying-machine, Inventors: Franz Wondra, Filing date: 1904-10-11)
• Patent GB-1905-7603 (English title: Apparatus for Travelling Above the Surface of Water, Inventors: Enrico Forlanini, Supplementary to patent: Patent IT-1904-71869, Filing date: 1905-04-10)
• Patent US-1905-851683 (English title: Navigable aeroplane, Inventors: Benjamin F. Mickley, Filing date: 1905-05-13)
• Patent US-1905-881837 (English title: Aeroplane, Inventors: Gustave Whitehead, Filing date: 1905-12-20)
• Patent US-1906-866672 (English title: Flying-machine, Inventors: Anthony O'Brate, Filing date: 1906-02-24)
• Patent DE-1906-202333 (English title: Drachenflieger, Inventors: William Henry Fauber, Supplementary to patent: Patent FR-1906-363017, Filing date: 1906-02-25)
• Patent FR-1906-364747 (English title: Device for automatically maintaining the position of the airfoil of airplanes, Inventors: Jacob Christian Hansen-Ellehammer, Filing date: 1906-03-30)
• Patent US-1906-897738 (English title: Flying-machine, Inventors: Winne Gordon, Filing date: 1906-04-28)
• Patent US-1906-856895 (English title: Aerial vessel, Inventors: Lycortes D. Merrick, Filing date: 1906-05-23)
• Patent AT-1906-30944 (English title: Drachenflieger, Inventors: William Henry Fauber, Supplementary to patent: Patent FR-1906-363017, Filing date: 1906-07-16)
• Patent IT-1906-84535 (English title: Aeriero, airplane with rotating fins on a vertical board, Inventors: Federico Capone, Filing date: 1906-09-11)
• Patent FR-1906-369937 (English title: Improvements to an ascension surface applicable to machines designed to have the ability to lift themselves, sustain themselves, and to navigate in the air, Inventors: Antoine-Padoue Filippi, Supplementary to patent: Patent FR-1902-326727, Filing date: 1906-09-22)
• Patent AT-1906-30038 (English title: Wing for airships, Inventors: Heinrich Kajbić, Filing date: 1906-11-09)
• Patent US-1906-884432 (English title: Aeroplane, Inventors: Melvin Vaniman, Filing date: 1906-11-27)
• Patent AT-1906-34959 (English title: Wing arrangement for propeller-driven aircraft, Inventors: Josef Deixler, Filing date: 1906-11-29)
• Patent US-1906-865419 (English title: Aeroplane, Inventors: Dennis L. Moorhead, Filing date: 1906-11-30)
• Patent US-1906-906406 (English title: Aeroplane flying machine, Inventors: Thomas H. Gignilliat, Filing date: 1906-12-13)
• Patent US-1906-867525 (English title: Flying-machine, Inventors: Anthony O'Brate, Filing date: 1906-12-21)
• Patent US-1906-861740 (English title: Flying-machine, Inventors: Edward M. La Penotiere, Filing date: 1906-12-24)
• Patent CH-1907-39550 (English title: Airplane, Inventors: Armand Dufaux • Henri Dufaux, Filing date: 1907-02-22)
• Patent US-1907-871926 (English title: Air-propeller for flying-machines, Inventors: Louis Gathmann, Filing date: 1907-03-06)
• Patent US-1907-868488 (English title: Flying-machine, Inventors: John W. Roshon, Filing date: 1907-03-26)
• Patent US-1907-870936 (English title: Aerial machine, Inventors: Bartholomew Connolly, Filing date: 1907-04-01)
• Patent US-1907-868038 (English title: Mechanism for winged flying-machines or air-ships, Inventors: Julius Uherkovich de Uherkócz, Filing date: 1907-04-03)
• Patent US-1907-882457 (English title: Flying-machine, Inventors: Emil Robert Ernst, Filing date: 1907-04-30)
• Patent US-1907-901486 (English title: Flying-machine, Inventors: Harry B. Schiller, Filing date: 1907-06-13)
• Patent US-1907-881836 (English title: Wing for flying-machines, Inventors: Everett E. Warner, Filing date: 1907-06-22)
• Patent US-1907-889062 (English title: Flying machine, Inventors: Francis Raymond Sweeny, Filing date: 1907-09-06)
• Patent IT-1907-91329 (English title: Improvements to an ascension surface applicable to machines designed to have the ability to lift themselves, sustain themselves, and to navigate in the air, Inventors: Antoine-Padoue Filippi, Supplementary to patent: Patent IT-1902-65889 • Patent FR-1902-326727, Filing date: 1907-09-14)
• Patent CH-1907-41856 (English title: Propeller to raise or sustain apparatus in the air, Inventors: Antoine-Padoue Filippi, Supplementary to patent: Patent FR-1906-369937, Filing date: 1907-09-19)
• Patent DE-1907-240268 (English title: Wing-form drag-surface for aircraft, Inventors: Karl Ludwig Waldemar Geest, Filing date: 1907-10-29)
• Patent US-1907-886122 (English title: Flying-machine, Inventors: Bauard Guthrie, Filing date: 1907-10-31)
• Patent US-1907-1050654 (English title: Flying-machine, Inventors: John P. Holland, Filing date: 1907-12-02)
• Patent DE-1907-240976 (English title: Wing-form drag-surface for aircraft, Inventors: Karl Ludwig Waldemar Geest, Supplementary to patent: Patent DE-1907-240268, Filing date: 1907-12-27)
• Patent AT-1908-36566 (English title: Drachenflieger, Inventors: Wilbur Wright • Orville Wright)
• Patent US-1908-888618 (English title: Aeroplane, Inventors: Fred I. Judson, Filing date: 1908-01-03)
• Patent DE-1908-220752 (English title: Sustaining surface for flying machine, Inventors: Walter Lobach, Filing date: 1908-01-08)
• Patent AT-1908-41555 (English title: Airplane, Inventors: Gustave Whitehead • Stanley Yale Beach, Supplementary to patent: Patent US-1905-881837, Filing date: 1908-03-09)
• Patent FR-1908-388868 (English title: Aircraft equipped with surfaces shaped like bird wings, Inventors: Karl Ludwig Waldemar Geest, Supplementary to patent: Patent DE-1907-240268, Filing date: 1908-03-21)
• Patent US-1908-1051659 (English title: Apparatus employed in flight through the air, Inventors: Butler Ames, Filing date: 1908-04-27)
• Patent BE-1908-Bot-Lallemand (English title: Aerial navigation apparatus, Inventors: Léon Bot • Eugène Lallemand, Filing date: 1908-06-23)
• Patent US-1908-919834 (English title: Flying-machine, Inventors: Rudolph G. Dressler, Filing date: 1908-07-01)
• Patent FR-1908-392048 (English title: Airplane, Inventors: Josef Deixler, Filing date: 1908-07-06)
• Patent GB-1908-14327 (English title: Flying machine, Inventors: Josef Deixler, Supplementary to patent: Patent FR-1908-392048, Filing date: 1908-07-07)
• Patent DE-1908-232250 (English title: Airplane with oscillating aerodynamic surfaces mounted on transverse axis of frame, Inventors: Alexander Baumann • Ernst Emil Freytag, Filing date: 1908-07-31)
• Patent US-1908-992579 (English title: Flying-machine, Inventors: Charles N. Newcomb, Filing date: 1908-08-05)
• Patent GB-1908-17370 (English title: Flying Machine, Inventors: Raymond d'Equevilley-Montjustin, Supplementary to patent: Patent FR-1908-393460, Filing date: 1908-08-18)
• Patent US-1908-922952 (English title: Aerial machine, Inventors: John Joseph Rekar, Filing date: 1908-08-19)
• Patent US-1908-996815 (English title: Aerial vessel, Inventors: Wesley Wait, Filing date: 1908-09-09)
• Patent FR-1908-394618 (English title: Airplane, Inventors: Modeste-Théodore Prévost, Filing date: 1908-09-25)
• Patent IT-1908-98096 (English title: Improvements to an ascension surface applicable to machines designed to have the ability to lift themselves, sustain themselves, and to navigate in the air, Inventors: Antoine-Padoue Filippi, Supplementary to patent: Patent FR-1902-326727 • Patent IT-1907-91329 • Patent IT-1902-65889, Filing date: 1908-09-28)
• Patent DE-1908-244908 (English title: Flying machine with airfoil influenced by airstream, Inventors: Adolphe-François-Joseph Doutre, Supplementary to patent: Patent FR-1908-403726, Filing date: 1908-10-01)
• Patent GB-1908-20785 (English title: standing start with propellers sending air over wings, Inventors: Louis Blériot, Supplementary to patent: Patent FR-1907-382530, Filing date: 1908-10-02)
• Patent US-1908-1015674 (English title: Airship, Inventors: Karl Ludwig Waldemar Geest, Filing date: 1908-10-22)
• Patent US-1908-971030 (English title: Aeroplane, Inventors: William Henry Fauber, Filing date: 1908-10-24)
• Patent AT-1908-58071 (English title: Wing-like wing aircraft, Inventors: Karl Ludwig Waldemar Geest, Supplementary to patent: Patent DE-1907-240268, Filing date: 1908-10-26)
• Patent GB-1908-22943 (English title: Improved fixed-wing design for aircraft, Inventors: Karl Ludwig Waldemar Geest, Supplementary to patent: Patent DE-1907-240268, Filing date: 1908-10-28)
• Patent FR-1908-404920 (English title: Construction of planar or curved surfaces covered with fabric for aeronautical use, Inventors: Gaetano Arturo Crocco • Ottavio Ricaldoni, Filing date: 1908-11-02)
• Patent US-1908-971358 (English title: Aerial machine, Inventors: Leonard E. Clawson, Filing date: 1908-11-05)
• Patent US-1908-970616 (English title: Flying-machine, Inventors: Thomas Alva Edison, Filing date: 1908-11-16)
• Patent US-1908-966151 (English title: Flying-machine, Inventors: Malcolm Grover Adams, Filing date: 1908-12-05)
• Patent FR-1909-398195 (English title: Planes balancers and surface multipliers for airplanes and balloons obtained by pleating surfaces, Inventors: Louis-Georges Deflers, Filing date: 1908-12-30)
• Patent MX-1909-8894 (English title: A machine to fly (Airplane), Inventors: Todd Churchill Woodworth)
• Patent FR-1909-398943 (English title: Airplane with concentric cells, Inventors: Claudius Givaudan, Filing date: 1909-01-29)
• Patent US-1909-965792 (English title: Aeroplane, Inventors: Louis R. Adams, Filing date: 1909-02-05)
• Patent DE-1909-244033 (English title: Lift-mechanism for airplanes with a large number of narrow curved airfoil surfaces arranged one on top of another, Inventors: Paul-Louis-Maurice Caron, Supplementary to patent: Patent FR-1908-398707, Filing date: 1909-03-08)
• Patent FR-1909-400569 (English title: Airplane with multiple pairs of mobile, malleable, removable planes, Inventors: Paul Guérin, Filing date: 1909-03-10)
• Patent AT-1909-47161 (English title: Wing surface with [shock-free entry?], Supplementary to patent: Patent DE-1908-05-09 Motorluftschiff Studiengesellschaft m.b.H, Filing date: 1909-03-17, Applicant firm: Motorluftschiff Studiengesellschaft m.b.H)
• Patent FR-1909-401013 (English title: Airplane presenting an oblique surface to the wind, Filing date: 1909-03-19, Applicant firm: Motorluftschiff Studiengesellschaft m.b.H)
• Patent US-1912-1038507 (Inventors: Gaetano Arturo Crocco • Ottavio Ricaldoni, Supplementary to patent: Patent IT-1908-98601, Filing date: 1909-03-27)
• Patent ES-1909-45199 (English title: Warped surface, Filing date: 1909-03-30, Applicant firm: Motorluftschiff Studiengesellschaft m.b.H)
• Patent GB-1909-8179 (English title: Sustaining Planes for Aeroplanes, Supplementary to patent: Patent DE-1908-05-09 Motorluftschiff Studiengesellschaft m.b.H, Filing date: 1909-04-05, Applicant firm: Motorluftschiff Studiengesellschaft m.b.H)
• Patent US-1909-966143 (English title: Revolving kite, Inventors: Walter Van Wie, Filing date: 1909-04-22)
• Patent FR-1909-403412 (English title: Aerial navigation apparatus, Inventors: Léon Bot • Eugène Lallemand, Supplementary to patent: Patent BE-1908-Bot-Lallemand, Filing date: 1909-05-27)
• Patent NZ-1909-26012 (English title: Aeroplanes and the like machines for mechanical flight, Inventors: Arthur Henry Edwards • Martin Diederich Rucker, Supplementary to patent: Patent GB-1908-4519, Filing date: 1909-06-21)
• Patent GB-1909-14645 (English title: Apparatus for Aerial Navigation, Inventors: Léon Bot • Eugène Lallemand, Supplementary to patent: Patent BE-1908-Bot-Lallemand, Filing date: 1909-06-22)
• Patent US-1909-991794 (English title: Flying-machine or airship, Inventors: Daniel P. McLaughlin, Filing date: 1909-06-30)
• Patent DE-1909-244636 (English title: Device for warping airplane wings, Inventors: Robert Esnault-Pelterie, Supplementary to patent: Patent DE-1907-228604 • Patent FR-1909-392672.11199 • Patent FR-1908-392672 • Patent FR-1907-373763, Filing date: 1909-07-10)
• Patent FR-1909-405390 (English title: Airplane, Inventors: Lucien Chauvière, Filing date: 1909-07-24)
• Patent DE-1909-240462 (English title: Framework for drag-surfaces and steering-surfaces of aircraft and the like, Inventors: Louis Blériot, Filing date: 1909-08-17)
• Patent BE-1909-218585 (English title: Pliable wing substrate and apparatus for controlling said pliability, Inventors: Paul Zens, Filing date: 1909-08-21)
• Patent NZ-1910-26501 (English title: Aeroplanes, Inventors: Arthur Waldemar Schaef, Filing date: 1909-08-30)
• Patent US-1909-985372 (English title: Aeroplane construction, Inventors: James Rooney, Filing date: 1909-09-02)
• Patent FR-1909-417668 (English title: Deformable ''[[nervure]]'' applicable, among other objects, to the construction of surfaces (such, for example as sustaining surfaces for aerial navigation) and, in particular, to warpable surfaces or elementary propulsive surfaces, and therefore to the construction of propellers, and, in particular, Inventors: Paul Zens, Supplementary to patent: Patent BE-1909-218585, Filing date: 1909-09-06)
• Patent GB-1909-21465 (English title: Aerial Machines, Inventors: John Joseph Rekar • Edward Parlin Preble, Supplementary to patent: Patent US-1908-922952, Filing date: 1909-09-20)
• Patent US-1909-966424 (English title: Monoplane, Inventors: Everard H. Boeckh, Filing date: 1909-09-27)
• Patent FR-1909-418560 (English title: Method and device for making it possible to modify the curvature of active surfaces, such as for example airfoils, of airplanes and the like during the journey, Inventors: Louis Blériot, Filing date: 1909-09-30)
• Patent US-1909-974846 (English title: Autoplane, Inventors: Charles W. Van Winkle, Filing date: 1909-10-07)
• Patent US-1909-991686 (English title: Apparatus for aerial navigation, Inventors: Jean M. Allèas, Filing date: 1909-10-21)
• Patent GB-1909-24484 (English title: Gliding-surface for Operating in Air or Water, Inventors: Hans Reissner, Filing date: 1909-10-25)
• Patent US-1909-996456 (English title: Aeroplane, Inventors: Julius Christian Christiansen, Filing date: 1909-10-27)
• Patent FR-1911-419930 (English title: Airplane with variable lift surface, Filing date: 1909-11-08, Applicant firm: Société d'Automobiles Mors)
• Patent US-1909-1014731 (English title: Aeroplane, Inventors: John W. Way, Filing date: 1909-11-15)
• Patent US-1909-981367 (English title: Air-craft, Inventors: Frederick Brackett, Filing date: 1909-11-17)
• Patent US-1909-1049540 (English title: Aeroplane, Inventors: John Sharp • Edward Sharp, Filing date: 1909-11-18)
• Patent US-1909-976709 (English title: Airship, Inventors: Herman Thaden, Supplementary to patent: Patent US-1908-12-08 Herman Thaden, Filing date: 1909-11-20)
• Patent US-1909-968860 (English title: Flying-machine, Inventors: Frederick B. Kummer, Filing date: 1909-11-22)
• Patent US-1909-975229 (English title: Flying-machine, Inventors: Roscoe C. Gore, Filing date: 1909-11-22)
• Patent DE-1909-245122 (English title: Drag-, steering-, and wing-surfaces for airplanes, Inventors: Paul Zens, Supplementary to patent: Patent BE-1909-218585, Filing date: 1909-11-25)
• Patent NZ-1909-26981 (English title: Aeroplane, Inventors: William John Hastings Beach, Filing date: 1909-12-02)
• Patent FR-1909-410067 (English title: Airplane, Inventors: Oswald François Léopold Keun, Filing date: 1909-12-06)
• Patent US-1909-1049315 (English title: Flying-machine, Inventors: Eli Pollak, Filing date: 1909-12-08)
• Patent GB-1910-217 (English title: Improvements connected with Aerial Machines, Inventors: William Frank Howard, Filing date: 1910-01-04)
• Patent US-1910-983192 (English title: Aeroplane, Inventors: Samuel S. Yarrington, Filing date: 1910-01-14)
• Patent FR-1910-412050 (English title: Airplane, Inventors: Hugo Junkers, Filing date: 1910-01-29)
• Patent US-1910-973632 (English title: Aeroplane, Inventors: John M. Davis, Filing date: 1910-01-31)
• Patent GB-1910-2611 (English title: Improvements in or relating to the construction of aeroplanes, Inventors: Horace Leonard Short • Albert Eustace Short • Hugh Oswald Short, Filing date: 1910-02-02)
• Patent US-1910-993063 (English title: Aerodrome, Inventors: Robert Ernest Heath, Filing date: 1910-02-03)
• Patent US-1910-996741 (English title: Aerial vessel, Inventors: Wesley Wait, Filing date: 1910-02-21)
• Patent AR-1910-7122 (English title: Aviation machine, Inventors: John Joseph Rekar, Supplementary to patent: Patent US-1908-922952, Filing date: 1910-02-22)
• Patent AU-1910-17277 (English title: Aeroplane, Inventors: William John Hastings Beach, Supplementary to patent: Patent NZ-1909-26981, Filing date: 1910-03-03)
• Patent GB-1910-6029 (English title: Improvements in or relating to Aeroplanes, Inventors: Paul Guérin, Supplementary to patent: Patent FR-1909-400569, Filing date: 1910-03-10)
• Patent IT-1910-108135 (English title: Airplane with multiple pairs of mobile, malleable, removable planes, Inventors: Paul Guérin, Supplementary to patent: Patent FR-1909-400569, Filing date: 1910-03-10)
• Patent US-1910-1041876 (English title: Flying machine, Inventors: William Swart Romme, Filing date: 1910-03-14)
• Patent US-1910-996613 (English title: Flying-machine, Inventors: Victor Camal, Filing date: 1910-03-17)
• Patent US-1910-1107231 (English title: Flying-Machine, Inventors: Albert Francis Zahm, Filing date: 1910-03-21)
• Patent US-1910-983243 (English title: Airship, Inventors: Cassius Edward Lamburth, Filing date: 1910-03-23)
• Patent US-1910-965491 (English title: Flying-machine supporting-plane, Inventors: John G. Stites • Frank Stites, Filing date: 1910-03-24)
• Patent NZ-1910-27491 (English title: Aeroplane, Inventors: Kenneth McKenzie Fraser, Filing date: 1910-03-31)
• Patent FR-1910-415046 (English title: Airplane, Inventors: Oswald François Léopold Keun, Filing date: 1910-04-20)
• Patent FR-1910-415695 (English title: Improvements to kite and other flying machines, Inventors: Robert Day Andrews, Filing date: 1910-05-07)
• Patent GB-1911-11332 (Inventors: Robert Day Andrews, Filing date: 1910-05-07)
• Patent FR-1910-426787 (English title: Improvements in aerostats, airplanes, and other flying machines, Inventors: Ambroise Goupy, Filing date: 1910-05-11)
• Patent GB-1910-11779 (English title: Aeroplanes, Inventors: Herbert Malcolm McNeill, Filing date: 1910-05-12)
• Patent US-1910-997122 (English title: Flying machine, Inventors: Otto A. Fenn, Filing date: 1910-05-16)
• Patent GB-1910-12092 (English title: Improvements in or relating to Flying Machines, Inventors: Haydn Gough-Turner, Filing date: 1910-05-17)
• Patent BE-1910-218585.225848 (English title: Pliable wing substrate and apparatus for controlling said pliability, Inventors: Paul Zens, Supplementary to patent: Patent BE-1909-218585, Filing date: 1910-05-21)
• Patent US-1910-994968 (English title: Supporting device for aviation, Inventors: Georges Barbaudy, Filing date: 1910-06-04)
• Patent US-1910-994198 (English title: Aeroplane, Inventors: Henry P. Rhett, Filing date: 1910-06-11)
• Patent US-1911-994197 (English title: Airship, Inventors: Henry P Rhett, Filing date: 1910-06-11)
• Patent GB-1910-14688 (English title: Airship, Inventors: Adam Roenne, Filing date: 1910-06-17)
• Patent US-1911-983244 (English title: Airship, Inventors: Cassius Edward Lamburth, Filing date: 1910-06-21)
• Patent FR-1910-415046.12807 (English title: Airplane, Inventors: Oswald François Léopold Keun, Supplementary to patent: Patent FR-1910-415046, Filing date: 1910-06-23)
• Patent US-1910-1006106 (English title: Device for producing the helicoidal deformation of the planes of aeroplanes, Inventors: Léon-Marie-Joseph-Clément Levavasseur, Supplementary to patent: Patent FR-1909-07-01 Société Antoinette, Filing date: 1910-06-24, Applicant firm: Société Antoinette)
• Patent FR-1910-428809 (English title: System for lateral stability and variation of sustaining power for airplanes, Inventors: Oswald François Léopold Keun, Filing date: 1910-06-29)
• Patent FR-1910-428897 (English title: Airplane with automatic stability achieved via balanced airfoils, Inventors: Albéric de la Celle, Filing date: 1910-07-01)
• Patent US-1910-1014082 (English title: Equilbrium attachment for aeroplanes, Inventors: Arthur Randolph Monro • Harold Beatty, Filing date: 1910-07-13)
• Patent US-1910-994417 (English title: Aerodrome, Inventors: Nathaniel L. Mayhew, Filing date: 1910-07-15)
• Patent US-1910-1018474 (English title: Airplane, Inventors: Willian John Hastings Beach, Supplementary to patent: Patent NZ-1909-26981, Filing date: 1910-08-05)
• Patent US-1911-983697 (English title: Supporting-Surface for Flying-Machines, Inventors: Ignaz Etrich, Filing date: 1910-08-12)
• Patent GB-1910-19550 (English title: Supporting or Steering Surfaces, as well as for Screw Propellers of Aeroplanes, Kites and Air Ships, Inventors: Paul Zens, Supplementary to patent: Patent BE-1909-218585, Filing date: 1910-08-20)
• Patent FR-1910-419623 (English title: Improved airplane, Inventors: William John Hastings Beach, Supplementary to patent: Patent NZ-1909-26981, Filing date: 1910-08-22)
• Patent US-1910-983750 (English title: Airship, Inventors: Frederic Mylius, Filing date: 1910-09-28)
• Patent GB-1910-22710 (English title: Aerial Craft, Inventors: Samuel Franklin Cody, Filing date: 1910-09-30)
• Patent US-1911-983868 (English title: Aeroplane, Inventors: William R. Bellville • Lloyd L. Bellville, Filing date: 1910-09-30)
• Patent US-1910-999278 (English title: Flying-machine, Inventors: Charles W. Waller, Filing date: 1910-10-06)
• Patent US-1910-991846 (English title: Flying machine, Inventors: Otto Haselau, Filing date: 1910-10-21)
• Patent CH-1910-53173 (English title: Airplane, Inventors: Armand Dufaux • Henri Dufaux, Filing date: 1910-10-24)
• Patent US-1910-996932 (English title: Aeroplane, Inventors: Robert Leidorf, Filing date: 1910-11-07)
• Patent AT-1910-57527 (English title: Steering system for airplanes, Inventors: Fritz Edelstein, Filing date: 1910-11-26)
• Patent FR-1911-423477 (English title: Improvements to airplanes, Inventors: Elmer-Francis Cassel, Filing date: 1910-12-08)
• Patent US-1910-996592 (English title: Aeroplane, Inventors: Cassius Edward Lamburth, Filing date: 1910-12-12)
• Patent AU-1911-379 (English title: Flying machines, Inventors: Isaac Henry Storey, Supplementary to patent: Patent GB-1910-885, Filing date: 191-02-13)
• Patent NO-1911-21406 (English title: Airplane and similar mechanical aircraft, Inventors: Arthur Henry Edwards • Martin Diederich Rucker, Supplementary to patent: Patent GB-1908-4519, Filing date: 1911)
• Patent FR-1911-427668 (English title: Airplane with automatic stabilizers, Inventors: Émile-Antoine Corbillon, Filing date: 1911-01-17)
• Patent DE-1911-285227 (English title: Flying machine with rotatable airfoils to the wings by hinges, Inventors: David Palmgren, Filing date: 1911-01-19)
• Patent GB-1911-1784 (English title: Improvements in or relating to Flying-machines, Inventors: Hugo Junkers, Supplementary to patent: Patent FR-1910-412050, Filing date: 1911-01-24)
• Patent US-1911-994106 (English title: Aeroplane, Inventors: William Boyd Alexander, Filing date: 1911-02-10)
• Patent US-1912-1016609 (English title: Aeroplane, Inventors: Frank Cosby Carpenter • Floyd Smith Carpenter, Filing date: 1911-02-28)
• Patent FR-1911-426729 (English title: Airfoil particularly suitable for propellers, Inventors: Stephan de Ostchewsky-Krouglik, Filing date: 1911-03-02, Applicant firm: Société Louis Dreyfus et Cie)
• Patent US-1913-1050222 (English title: Aeroplane, Inventors: Arthur Marshall McIntosh, Filing date: 1911-03-16)
• Patent DE-1911-263556 (English title: Aircraft, Inventors: Joseph Cousin, Supplementary to patent: Patent FR-1910-417357.13165 • Patent FR-1910-417357, Filing date: 1911-03-22)
• Patent BE-1911-04-14 Lucien-Constant-Joseph Harel (English title: Mode of establishment of airfoils for airplanes, Inventors: Lucien-Constant-Joseph Harel, Filing date: 1911-04-14)
• Patent GB-1911-11438 (English title: Airships, aeroplanes, and other flying machines, Inventors: Ambroise Goupy, Filing date: 1911-05-11)
• Patent US-1913-1061363 (English title: Airship, Inventors: Lewis J. Evans, Filing date: 1911-06-14)
• Patent GB-1911-15206 (English title: Aeroplanes, Inventors: Louis Charles Bréguet, Filing date: 1911-06-29)
• Patent FR-1911-432473 (English title: Improvements to aerial sustaining surfaces, modifiable for aeroplane and analogous machines, Inventors: Georges Roger, Filing date: 1911-07-22)
• Patent DE-1911-263643 (English title: Steering system for airplanes, Filing date: 1911-07-27, Applicant firm: E. Rumpler Luftfahrzeugbau G.m.b.H.)
• Patent GB-1911-20722 (English title: Aeroplane, Inventors: Albert Sugden, Filing date: 1911-09-19)
• Patent GB-1911-25468 (English title: Improvements relating to Aeroplanes, Inventors: Archibald Reith Low, Filing date: 1911-11-15, Applicant firm: Vickers, Sons, and Maxim)
• Patent GB-1911-26940 (English title: Aeroplanes and Gliders, Inventors: Charles Marston • Walter John Diment, Filing date: 1911-12-01)
• Patent GB-1911-27907 (English title: Flying Machines, Inventors: Ernst William Ferdinand Herrmann, Supplementary to patent: Patent US-1910-1011620, Filing date: 1911-12-12)
• Patent US-1912-1054374 (English title: Flying apparatus, Inventors: Gustav Voigt, Supplementary to patent: Patent GB-1911-26855, Filing date: 1912-01-16)
• Patent GB-1912-2540 (English title: Aeroplane, Inventors: Alexander Albert Holle, Filing date: 1912-01-31)
• Patent FR-1912-442628.17047 (English title: Improvements to propulsion and lift surfaces applicable to aerial and marine navigation, Inventors: Antoine-Padoue Filippi, Supplementary to patent: Patent FR-1912-442628, Filing date: 1912-03-20)
• Patent FR-1912-442488 (English title: Mode of establishment of airfoils for airplanes, Inventors: Lucien-Constant-Joseph Harel, Supplementary to patent: Patent BE-1911-04-14 Lucien-Constant-Joseph Harel, Filing date: 1912-04-12)
• Patent FR-1912-442491 (English title: Devices for rapid disassembly and reassembly of airplanes bearing surfaces, Inventors: Raoul Vendôme, Filing date: 1912-04-12)
• Patent GB-1912-8808 (English title: Improvements relating to the Supporting Surfaces of Aeroplanes, Inventors: Lucien-Constant-Joseph Harel, Supplementary to patent: Patent BE-1911-04-14 Lucien-Constant-Joseph Harel, Filing date: 1912-04-13)
• Patent US-1912-1054989 (English title: Aerial navigation, Inventors: Heinrich Schneider • Theodor Kurrell, Filing date: 1912-05-04)
• Patent US-1912-1050530 (English title: Aeroplane-blade construction, Inventors: Johan Richard Froberg, Filing date: 1912-06-25)
• Patent FR-1912-446233 (English title: Steering apparatus, that is, articulated wing development, for flying machines, Supplementary to patent: Patent DE-1911-263643, Filing date: 1912-07-18, Applicant firm: E. Rumpler Luftfahrzeugbau G.m.b.H.)
• Patent GB-1912-16890 (English title: Improvements in airplane steering by way of wing specifications, Supplementary to patent: Patent DE-1911-263643, Filing date: 1912-07-19, Applicant firm: E. Rumpler Luftfahrzeugbau G.m.b.H.)
• Patent AU-1912-6224 (English title: Driving and sustaining surfaces applicable to navigation, in air and water, Inventors: Antoine-Padoue Filippi, Filing date: 1912-08-27)
• Patent AT-1912-64888 (English title: Drag-surface for flying machines, Inventors: Fritz Edelstein, Filing date: 1912-09-07)
• Patent US-1912-1074007 (English title: Aeroplane, Inventors: Frederic Mylius, Filing date: 1912-11-23)
• Patent GB-1912-29053 (English title: Improvements to airplanes, Inventors: Benjamin Talbot Babbitt Hyde • Andrew Gaul, Jr, Supplementary to patent: Patent GB-1911-20105, Filing date: 1912-12-17)
• Patent US-1912-1153612 (English title: Aeroplane, Inventors: James Philip Erie, Filing date: 1915-02-23)
• Patent GB-1913-2094 (English title: An Improved Screw Propeller for Aeroplanes, Airships, Vessels and the like, Inventors: Otto Brunner, Supplementary to patent: Patent AT-1912-57088, Filing date: 1913-01-25)
• Patent CH-1913-65652 (English title: Sutaining plane for airplane, Inventors: Alexander Albert Holle, Supplementary to patent: Patent GB-1912-2540, Filing date: 1913-01-30)
• Patent US-1913-1115073 (English title: Aeroplane, Inventors: Alexander Albert Holle, Supplementary to patent: Patent GB-1912-2540, Filing date: 1913-02-10)
• Patent GB-1913-9355 (English title: Hydro-aeroplane, Filing date: 1913-04-21, Applicant firm: Neufeldt & Kuhnke • Gesellschaft für Nautische Instrumente G.m.b.H.)
• Patent DE-1913-287314 (English title: Bird-wing-style airplane airfoils with frontal thickness, Inventors: Gustav Lilienthal, Filing date: 1913-04-22)
• Gebrauchsmuster DE-1913-555115 (English title: Attachment of wing surface covering for flying machines, Inventors: August Euler, Filing date: 1913-05-02)
• Patent AT-1913-66537 (English title: Airplane, Inventors: Max Müller, Filing date: 1913-05-17)
• Patent FR-1913-459186 (English title: Flying machine with airfoils and propulsion and lifting propellers, Inventors: Leo Schreck, Filing date: 1913-06-13)
• Patent FR-1913-463641 (English title: Foldable airfoil, Inventors: Edmond de Marçay, Filing date: 1913-10-15)
• Patent FR-1913-464194 (English title: Profile for bearing surfaces, wings, fins, etc., Inventors: Paul Kauffmann, Filing date: 1913-10-28)
• Patent US-1913-1092192 (English title: Wing or supporting-plane for aeroplanes and aerial machines, Inventors: José Weiss • Alexander Keith, Supplementary to patent: Patent GB-1912-29072, Filing date: 1913-10-28)
• Patent FR-1913-464507 (English title: Wings or sustaining planes for bird-shaped airplanes and aviation apparatus, Inventors: Alexander Keith • José Weiss, Supplementary to patent: Patent GB-1912-29072, Filing date: 1913-11-06, Applicant firm: The Weiss Aeroplane & Launcher Syndicate Limited)
• Patent FR-1913-465032 (English title: Deformable wing surfaces for airplanes and analaogous machines, Inventors: Paul Zens, Supplementary to patent: Patent BE-1912-11-18 Paul Zens, Filing date: 1913-11-18)
• Patent AT-1914-73965 (English title: Bird wing-like wing for aircraft, Inventors: Gustav Lilienthal, Supplementary to patent: Patent DE-1913-287314, Filing date: 1914-04-18)
• Patent FR-1914-474583 (English title: Wing for airplanes, Inventors: Gustav Lilienthal, Supplementary to patent: Patent DE-1913-287314, Filing date: 1914-04-20)
• Patent GB-1914-9876 (English title: Improvements in and connected with Wings for Aeroplanes and the like, Inventors: Gustav Lilienthal, Supplementary to patent: Patent DE-1913-287314, Filing date: 1914-04-21)
• Patent DE-1914-321808 (English title: Airplane drag-surface, Inventors: Hans Josef Goebbel, Filing date: 1914-05-02)
• Patent DE-1914-306398 (English title: Airplane with adjustable decks in various places, Filing date: 1914-07-12, Applicant firm: Albatros, Gesellschaft für Flugzeugunternehmungen m.b.H.)
• Patent US-1914-1208337 (English title: Keel or wing for airship, Inventors: Herman Leinweber, Filing date: 1914-07-21)
• Patent US-1914-1144578 (English title: Airship, Inventors: Ivan Andersson, Filing date: 1914-11-12)
• Patent AU-1914-14892 (English title: Aeroplane, Inventors: Charles Arthur Wragg, Filing date: 1914-11-20)
• Patent IT-1915-147274 (English title: Curvature for frame of airplane wings, Inventors: Paul Carlton Elliott, Supplementary to patent: Patent US-1914-1115291, Filing date: 1915)
• Patent GB-1915-1692 (English title: Curving Rib for the Supporting-surfaces of Aeroplanes, Inventors: Paul Carlton Elliott, Supplementary to patent: Patent US-1914-1115291, Filing date: 1915-02-02)
• Patent IT-1915-148359 (English title: Improvements to the system of mutual stiffening for airplane, biplane, or multiplane wing surfaces, Inventors: Franz Schneider, Filing date: 1915-04-15)
• Patent GB-1915-9987 (English title: Aeroplanes and the like, Inventors: William Richard Hallett, Filing date: 1915-07-09)
• Patent DE-1915-324003 (English title: Wing skeleton for aircraft, Filing date: 1915-08-19, Applicant firm: Zeppelin-Werke G.m.b.H.)
• Patent US-1915-1223017 (English title: Aileron, Inventors: Albert Francis Zahm, Supplementary to patent: Patent US-1914-03-26 Serial No. 827485 Albert Francis Zahm, Filing date: 1915-09-18)
• Patent CA-1915-171775 (English title: Aeroplane, Inventors: Charles Arthur Wragg, Supplementary to patent: Patent AU-1914-14892, Filing date: 1915-10-23)
• Patent GB-1915-15504 (English title: Planes of Aeroplanes, Airships and the like, Inventors: Charles Arthur Wragg, Supplementary to patent: Patent AU-1914-14892, Filing date: 1915-11-03)
• Patent ES-1915-61226 (English title: Airplanes and other flying machines, Inventors: Charles Arthur Wragg, Supplementary to patent: Patent AU-1914-14892, Filing date: 1915-11-19)
• Patent US-1916-1326010 (English title: Aileron of Variable-Aspect Ratio, Inventors: Albert Francis Zahm, Supplementary to patent: Patent US-1914-03-26 Serial No. 827485 Albert Francis Zahm, Filing date: 1916-04-28)
• Patent GB-1916-104114 (English title: Pockets in airfoils to reduce air resistance, Inventors: Thomas Daniel Kelly, Filing date: 1916-08-03)
• Patent GB-1916-107208 (English title: Aeroplanes and other Aerial Machines having Supporting Planes or Wings, Inventors: James Robson, Filing date: 1916-09-26)
• Patent US-1916-1225711 (English title: Plane and the like for aeroplanes, Inventors: Alexander Albert Holle, Filing date: 1916-12-22)
• Patent FR-1917-493342 (English title: Airplane with airfoil in two parts sliding over each other producing the variation in surface area and the increase in deflection of the airfoil, Inventors: Jules Gastambide • Robert Gastambide, Filing date: 1917-03-19)
• Patent GB-1917-115968 (English title: Aerofoils for aeronautical machines, Inventors: Horatio Phillips, Filing date: 1917-07-26)
• Patent US-1917-1358603 (English title: Hovering aeroplane, Inventors: Albert Francis Zahm, Filing date: 1917-08-10)
• Patent GB-1917-120777 (English title: Aeroplane, Inventors: Edward Cragg, Filing date: 1917-11-22)
• Patent US-1917-1508604 (English title: Aeroplane, Inventors: Ward Leathers, Filing date: 1917-12-04)
• Patent FR-1918-496388 (English title: Crisscross rib for aircraft wings, Inventors: Émile Letord, Filing date: 1918-03-26)
• Patent DE-1918-322432 (English title: Metal airfoil for aircraft, Filing date: 1918-04-14, Applicant firm: Allgemeine Elektricitäts-Gesellschaft)
• Patent US-1918-1405917 (English title: Aeroplane, Inventors: George A. Henderson, Filing date: 1918-04-17)
• Patent GB-1918-128341 (English title: Improvements in and relating to the Control of Aeroplanes, Inventors: Alexander Albert Holle, Filing date: 1918-05-14)
• Patent DE-1918-354201 (English title: Hollow metal body for the wings of airplanes and the like, Filing date: 1918-07-03, Applicant firm: Zeppelin-Werke Staaken G.m.b.H.)
• Patent GB-1918-129834 (English title: Improvements in Aerofoils for Aeroplanes and the like, Inventors: Alexander Albert Holle, Filing date: 1918-08-02)
• Patent DE-1918-323763 (English title: Airplane Drag-surface, Inventors: Hans Josef Goebbel, Supplementary to patent: Patent DE-1914-321808, Filing date: 1918-08-06)
• Patent FR-1918-504933 (English title: Balloon-kites, Filing date: 1918-08-09)
• Patent GB-1918-130790 (English title: Improvements in Aerofoils for Aeroplanes, Inventors: Alexander Albert Holle, Filing date: 1918-08-15)
• Patent US-1918-1589780 (English title: Flying machine, Inventors: Charles Arthur Wragg, Filing date: 1918-11-27)
• Patent CA-1919-232582 (English title: Flying machine, Inventors: Charles Arthur Wragg, Supplementary to patent: Patent US-1918-1589780)
• Patent DE-1920-417049 (English title: Airplane with airfoils arranged one behind another, Inventors: Charles Arthur Wragg • Eugene Ludwig Greenewald, Supplementary to patent: Patent AU-1914-14892 • Patent US-1918-1589780, Filing date: 1920-06-15)
• Patent FR-1920-521873 (English title: Airplane, Inventors: Charles Arthur Wragg, Supplementary to patent: Patent US-1918-1589780, Filing date: 1920-07-10)