CPC B64C11/20

Propeller construction

Tech class tree

• CPC B64C11/00 Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
  • CPC B64C11/16 Blades
    • CPC B64C11/18 Aerodynamic features
    • CPC B64C11/20 Constructional features
      • CPC B64C11/205 Coatings or other blade protection on propellers
      • CPC B64C11/22 Solid blades
      • CPC B64C11/24 Hollow blades
      • CPC B64C11/26 Fabricated blades
      • CPC B64C11/28 Collapsible or foldable blades

References

This wiki has 47 patents in category "CPC B64C11/20". Other techtypes related to CPC B64C11/20: USPC 416/230

Patents in category CPC B64C11/20

• Patent GB-1916-103789 (Filing date: 1916-09-25)
• Patent GB-1917-113829 (Inventors: George Weston PARNALL, Filing date: 1917-03-07)
• Patent GB-1917-128310 (Inventors: William Henry WOOD, Filing date: 1917-07-30)
• Patent GB-1918-124253 (Inventors: James Adair Muirhead, Filing date: 1918-03-13)
• Patent GB-1918-121589 (Inventors: Ettore Caretta, Filing date: 1918-10-31)
• Patent DE-1899-131930 (Inventors: Frederick Buchanan, Filing date: 1899-10-28)
• Patent FR-1908-395320.10074 (English title: Flight Apparatus, propellers, that is, Inventors: Paul Frederik Degn, Supplementary to patent: Patent FR-1908-395320 • Patent DE-1908-214229, Filing date: 1908-11-16)
• Patent GB-1909-3932 (English title: Improvements in Flying Machines, that is, to propeller blades, Inventors: Paul Frederik Degn, Supplementary to patent: Patent GB-1908-21445 • Patent DE-1908-210933, Filing date: 1909-02-17)
• Patent GB-1909-9295 (Inventors: Timothy Elliott, Filing date: 1909-04-20)
• Patent FR-1909-402718 (English title: Propeller blade for aircraft, Inventors: Rudolf Chillingworth, Filing date: 1909-05-05)
• Patent FR-1909-403951 (English title: method of manufacturing "resistant" propellers particularly for propelling airplanes, Inventors: Robert Esnault-Pelterie, Filing date: 1909-06-11)
• Patent GB-1909-13791 (English title: Improvements in rotary fans or aerial propellers, Inventors: Hermann Ruthenberg, Filing date: 1909-06-11)
• Patent GB-1909-14409 (English title: Improved Rotary Fan or Propeller with Helical Blade Surfaces, Inventors: Hermann Ruthenberg, Supplementary to patent: Patent GB-1909-13791, Filing date: 1909-06-19)
• Patent FR-1909-403665.11157 (English title: Wind wheel usable as a propeller for vehicles aircraft and airships, Inventors: Hermann Ruthenberg, Supplementary to patent: Patent FR-1909-403665, Filing date: 1909-06-23)
• Patent FR-1909-417889 (English title: Automatically variable elastic pitch helical rotating wings, Inventors: Alfred Brosseau, Filing date: 1909-09-13)
• Patent DE-1909-245260 (English title: Wooden propeller made from lamellae glued to each other, Inventors: Lucien Chauvière, Supplementary to patent: Patent FR-1908-405961, Filing date: 1909-11-13)
• Patent DE-1909-245920 (English title: Propeller blade, Filing date: 1909-11-18, Applicant firm: Rheinisch-Westfälische Sprengstoff-Aktien-Gesellschaft)
• Patent FR-1910-411225 (Inventors: Felice Giuseppe Giambattista Carle Luigi GIORDANO, Supplementary to patent: IT-1909-11-15, Filing date: 1910-01-03)
• Patent FR-1910-411904 (Inventors: Édouard GENDROT, Filing date: 1910-01-24)
• Patent FR-1910-425621 (English title: Aerial propeller for aviation and other uses, Inventors: François Lebreil • Raoul Desgeorge, Filing date: 1910-04-08)
• Patent FR-1910-415690 (English title: Rational paracentrifugal aerial propeller with helical surface, Inventors: Ernest Caille, Filing date: 1910-05-03)
• Patent FR-1910-415908 (English title: Propellers for aerial and marine vehicles, Supplementary to patent: Patent DE-1909-245920, Filing date: 1910-05-12, Applicant firm: Rheinisch-Westfälische Sprengstoff-Aktien-Gesellschaft)
• Patent FR-1910-419501 (English title: New construction process for wooden aerial propellers, Inventors: Julien Maraval • Alexis Canizarès, Filing date: 1910-06-01)
• Patent FR-1910-416737 (English title: Aerial blade system, Inventors: Léon-Octave Rousseau, Filing date: 1910-06-03)
• Patent FR-1911-420897 (English title: Air booster element, Inventors: Albert-Marie Tricotel, Filing date: 1910-09-29)
• Patent FR-1913-466271 (English title: Metallic airplane propeller using blades of different angles of incidence allowing them to each act separately upon the air, Inventors: Désiré Crayssac, Filing date: 1913-02-26)
• Patent FR-1913-459472 (Inventors: Norman Arthur Thompson, Filing date: 1913-06-20)
• Patent GB-1914-17953 (English title: Improvements in the Construction of Aerial Propellers or Fans, Inventors: Edward Dodson, Filing date: 1914-07-29)
• Patent DE-1915-300200 (English title: Propeller, Inventors: Jakob Haw, Filing date: 1915-09-11)
• Patent FR-1920-502843 (Inventors: Louis Paulhan, Filing date: 1916-03-17)
• Patent DE-1916-332539 (English title: Aircraft propeller, Inventors: Jakob Haw, Filing date: 1916-04-14)
• Patent DE-1916-332540 (English title: Propeller whose blades consist of transverse bars lined up on steel rods, Inventors: Jakob Haw, Filing date: 1916-04-30)
• Patent DE-1916-332541 (English title: Propeller, Inventors: Jakob Haw, Supplementary to patent: Patent DE-1916-332540, Filing date: 1916-07-01)
• Patent GB-1917-127020 (English title: Improvement in or relating to propellers, Inventors: Louis Paulhan • Henri Joseph Leon Marie de la Chevardiere de la Grandville, Supplementary to patent: Patent FR-1916-04-06, Filing date: 1917-03-02)
• Patent US-1922-1419061 (English title: Reinforced rubber propeller, Inventors: Herman T. Kraft, Filing date: 1917-06-29)
• Patent GB-1917-118683 (English title: Improvements relating to propellers for aircraft, Inventors: Howard Crunden Cleaver, Filing date: 1917-09-08)
• Patent US-1917-1384308 (English title: Airplane-screw, Inventors: Clarence A. de Diers, Filing date: 1917-10-23)
• Patent GB-1918-119967 (English title: Improvements for manufacturing aeroplane propellers, Inventors: Charles Albert Laing, Filing date: 1918-01-14, Applicant firm: Lang Propeller Limited)
• Patent US-1918-1433728 (English title: Propeller, Inventors: Robert Kemp, Filing date: 1918-03-09, Applicant firm: Westinghouse Electric & Manufacturing Company)
• Patent FR-1918-506287 (English title: Procedure for making aeroplane propellers, Filing date: 1918-03-27, Applicant firm: Établissements de Dion-Bouton)
• Patent US-1920-1329735 (Inventors: Cyrus F WICKER, Filing date: 1918-04-03)
• Patent FR-1919-497893 (Inventors: Jacques GOETHALS, Filing date: 1918-07-12)
• Patent US-1920-1361598 (Inventors: William A LORENZ, Filing date: 1918-07-25)
• Patent FR-1919-496958 (Inventors: Ettore Caretta, Filing date: 1918-11-02)
• Patent US-1918-1406364 (English title: Propeller, Inventors: Louis T. Frederick, Filing date: 1918-12-30, Applicant firm: Westinghouse Electric & Manufacturing Company)
• Patent US-1923-1467785 (Inventors: Louis T Frederick, Filing date: 1918-12-30)
• Patent US-1921-1488243 (English title: Propeller for Aircraft, Inventors: Jakob Haw, Supplementary to patent: Patent DE-1915-300200 • • • • • • • • • , Filing date: 1921-02-16)

Enclosing categories	CPC B64C11/16
Subcategories	CPC B64C11/205
Keywords	Propellers
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