Drilldown: Patents

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Patents > Inventor country: DE & Application number: None & Publication date: 1920 - 1929

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Tech fields:
airplane (41) · frame (21) · design (14) · wings (13) · military (10) · propeller (10) · LTA (8) · subsystem (7) · construction (6) · Parachutes (6) · control (5) · Instrument (5) · safety (5) · projectile (5) · propulsion (5) · navigation (5) · propellers (4) · Aerodynamics (4) · rudder (4)
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Supplementary to patent:
None (51) · Patent DE-1917-305040 (3) · Patent DE-1916-349065 (2) · Patent DE-1917-02-16 Oscar Gerhardt (2) · Patent DE-1916-10-07 Oscar Gerhardt (2) · Patent DE-1917-323641 (2) · Patent 1915-11-05 Käthe Paulus (2) · Patent DE-1921-384750 (2)
Related to aircraft:
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IPCs:
None (40) · IPC B64C3/00 (7) · IPC B64C1/26 (3) · IPC B64C35/00 (3) · IPC B64C3/56 (3) · IPC B64D17/80 (2) · IPC B64C9/02 (2) · IPC B64B1/64 (2) · IPC B64D7/02 (2) · IPC B64B1/58 (2) · IPC B64D27/04 (2)
CPCs:
None (42) · CPC B64C3/00 (7) · CPC B64C3/56 (3) · CPC B64D7/02 (3) · CPC B64C13/00 (3) · CPC B64B1/58 (2) · CPC B64C35/008 (2) · CPC B64B1/64 (2) · CPC B64D17/80 (2) · CPC B64C1/26 (2) · CPC B64D27/04 (2) · CPC B64C9/02 (2)
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Citations from after 1930:
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Showing below up to 94 results in range #1 to #94.

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