Drilldown: Patents

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Patents > Year granted: 1918 & Grant date: 1920 - 1929 & Patent agent: None

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Year filed:
(There are no values for this filter)
Year granted:
(There are no values for this filter)
Office:
CH (1) · DE (40) · FR (4) · HU (1)
Inventors:
None (38) · Arthur LEGRAND (1) · August Weber-Zweifel (1) · Emil Schimanek (1) · Jean-Louis SERVE-BRIQUET (1) · Jules CESARIO (1) · Michel Schleiffer (1) · Rumpler-Werke A.-G. in Berlin-Johannisthal (1) · Stephane Drzewiecki (1)
Inventor country:
None (27) · CH (1) · DE (12) · FR (5) · HU (1)
Applicant person:
None (9) · AROP GES LADISCH SEIDEL (1) · ARTHUR BREHM (1) · ARTHUR LEGRAND (1) · August Weber-Zweifel (1) · BERLINER METALL (1) · BURKHARD HANS (1) · EISENFUEHR (2) · Emil Schimanek (1) · ERICH KIFFNER (1) · ESSER FRITZ (1) · FRIEDRICH HARTH (1) · FRITZ POHLENZ (1) · GEORGE ALBERT Fischer (1) · HANS GRUEBBEL (1) · Hans Reissner (1) · HELIX PROPELLER GES M (4) · HENSCHEL FLUGZEUG WERKE (1) · Hermann MENZ (1) · JULES CESARIO (1) · Konrad R Ritter (1) · Luft Fahrzeug G.m.b.H. (2) · LUFTFAHRZEUGBAU SCHUETTE LANZ (1) · Michel Schleiffer (1) · Paul WALTER GEHLER (1) · PETER KAHL (1) · ROSSKOTHEN FERDINAND (1) · Rudolf Wagner (1) · SERVE BRIQUET JEAN LOUIS (1) · WILHELM EISENFUEHR (1) · ZEPPELIN LUFTSCHIFFBAU (2) · ZEPPELINWERK LINDAU (1)
Applicant firm:
None (37) · Anciens Sautter-Harlé (1) · Dornier Metallbauten (5) · Luftschiffbau Zeppelin G. m. b. H. (1) · Rumpler-Werke A.-G. in Berlin-Johannisthal (2)
Applicant type:
None (12) · COMPANY (13) · INDIV (10) · UNIV-PRO-GOV (11)
Applicant is inventor:
No (40) · Yes (6)
Tech fields:
None (41) · aerodynamics (1) · airplane (2) · construction (2) · Control (1) · cylinder (1) · engine (1) · frame (2) · gauge (1) · hydrodynamics (1) · ICE (1) · instrument (1) · lift (1) · monoplane (1) · Navigation (1) · piston (1) · pressure (1) · Safety (1) · valve (1) · wings (1)
Filing date:
June 1917 (1) · January 1918 (2) · February 1918 (3) · March 1918 (8) · April 1918 (4) · May 1918 (2) · June 1918 (9) · July 1918 (5) · August 1918 (3) · September 1918 (2) · October 1918 (4) · December 1918 (3)
Full specification filed date:
None (46)
Application number:
Grant date:
1920 (20) · 1921 (9) · 1922 (6) · 1923 (5) · 1924 (4) · 1925 (1) · 1927 (1)
Granted:
Yes (46)
Publication date:
None (43) · 1920 (2) · 1925 (1)
Supplementary to patent:
None (45) · Patent HU-1917-73345 (1)
Related to aircraft:
None (1) · 1 (41) · Yes (4)
Patent agent: (Click arrow to add another value)
Assigned to:
None (46)
National tech categories:
None (43) · DE 77h.5 (2) · HU VII/a (1)
IPCs:
None (41) · IPC B64B1/64 (1) · IPC B64C11/34 (1) · IPC B64C3/00 (2) · IPC CPC B64C13/00 (1)
CPCs:
CPC B64C3/00 (4) · CPC B64C25/62 (3) · CPC B64C13/00 (3) · CPC B64C11/04 (2) · CPC B64C2700/6259 (2) · CPC B64C11/36 (2) · CPC B64C11/346 (2) · CPC B64C2700/6233 (2) · CPC B64C2700/6235 (2) · CPC B64B1/64 (2) · CPC B64C1/12 (2) · CPC B64C9/00 (2) · CPC B64B1/58 (2)
Family year:
(There are no values for this filter)
First filing:
None (1) · No (40) · Yes (5)
Cites these patents:
None (46)
Citations from after 1930:
None (46)
Number of text pages:
None (40) · 2 (2) · 3 (4)
Number of claims:
None (41) · 1 (1) · 3 (1) · 4 (1) · 5 (1) · 6 (1)
Number of diagram pages:
None (41) · 1 (4) · 2 (1)
Number of figures:
None (41) · 2 (2) · 3 (1) · 4 (1) · 7 (1)

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