Drilldown: Patents

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Patents > Inventor country : DE or Poland & Publication date: 1920 - 1929 & Number of text pages: 2-3

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Tech fields:
airplane (55) · Frame (43) · construction (38) · design (31) · wings (17) · LTA (17) · biplane (16) · control (14) · subsystem (13) · Airship (12) · military (10) · fuselage (10) · propellers (9) · Motors (8) · aerodynamics (8) · rudder (8) · propeller (7) · projectile (6)
Full specification filed date:
Application number:
None (78)
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Supplementary to patent:
None (84) · Patent DE-1916-10-07 Oscar Gerhardt (2) · Patent DE-1917-02-16 Oscar Gerhardt (2) · Patent DE-1918-388537 (2) · Patent DE-1916-349065 (2) · Patent DE-1921-384750 (2) · Patent 1915-11-05 Käthe Paulus (2)
Related to aircraft:
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IPCs:
None (66) · IPC B64C3/00 (18) · IPC B64C13/00 (9) · IPC B64C9/02 (6) · IPC B64C3/18 (4) · IPC B64C35/00 (4) · IPC B64C1/26 (3) · IPC B64C11/20 (3) · IPC B64C3/56 (3) · IPC B64C25/00 (2) · IPC B64D7/02 (2) · IPC B64B1/64 (2) · IPC B64D27/04 (2) · IPC B64B1/58 (2) · IPC B64D17/80 (2)
CPCs:
None (66) · CPC B64C3/00 (18) · CPC B64C2700/6235 (11) · CPC B64C13/00 (11) · CPC B64C9/02 (6) · CPC B64C11/20 (3) · CPC B64C3/18 (3) · CPC B64C3/56 (3) · CPC B64B1/64 (3) · CPC B64C1/26 (2) · CPC B64D27/04 (2) · CPC B64C35/008 (2) · CPC B64C35/00 (2) · CPC B64D7/02 (2) · CPC B64D17/80 (2) · CPC B64B1/58 (2) · CPC B64C25/62 (2) · CPC B64C1/061 (2)
First filing:
Cites these patents:
Citations from after 1930:
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