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Patents > Applicant is inventor: Yes & National tech categories : DE 77h.6 or USPC 416/200R

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Inventors:
Jakob Haw (7) · Christian Lorenzen (6) · None (4) · Hellmuth Hirth (4) · Joseph Hofmann (2) · Paul Frederik Degn (2) · Lucien Chauvière (2)
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Tech fields:
propeller (42) · propulsion (15) · propellers (9) · subsystem (5) · helicopter (5) · airplane (4) · metal (4) · None (3) · frame (3) · navigation (3) · wing (2) · parachute (2) · motor (2) · marine propeller (2) · marine (2) · aerial propeller (2) · LTA (2) · wood (2) · barometer (2) · car (2)
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Showing below up to 65 results in range #1 to #65.

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