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Patents > Application number: None & Publication date: 1920 - 1929 & CPCs: None

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Inventors:
None (31) · Reinhold Richter (4) · Oscar Gerhardt (3) · Emil Schimanek (2) · Jakob Haw (2) · Käthe Paulus (2) · Robert Kemp (2) · Pierre Levasseur (2) · Albert John Fortescue (2)
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Tech fields:
airplane (36) · Design (15) · frame (12) · construction (11) · military (11) · propeller (10) · wings (9) · propellers (8) · biplane (7) · propulsion (6) · aerodynamics (6) · subsystem (5) · airship (5) · safety (5) · Instrument (5) · projectile (5) · parachutes (5) · engine (4) · motors (4) · Bombing (4)
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Supplementary to patent:
None (39) · Patent 1915-11-05 Käthe Paulus (2) · Patent DE-1917-02-16 Oscar Gerhardt (2) · Patent DE-1916-10-07 Oscar Gerhardt (2)
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