Drilldown: Patents

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Patents > Application number: None & National tech categories : DE 77h.6 or FR 5.3

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Office:
Inventors:
None (10) · Christian Lorenzen (5) · Jakob Haw (2) · Frédéric-Charles Rossel (2) · Joseph Hofmann (2) · Hellmuth Hirth (2) · Dane Hurlburt (2) · Lucien Chauvière (2)
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Tech fields:
propeller (40) · None (13) · propulsion (13) · subsystem (6) · frame (5) · airplane (5) · Propellers (4) · metal (4) · marine (4) · helicopter (4) · navigation (3) · wood (3) · parachute (2) · barometer (2) · motor (2) · Safety (2) · Stability (2) · LTA (2)
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IPCs:
None (23) · IPC B64C11/16 (8) · IPC B64C11/34 (3) · IPC B64C11/00 (3) · IPC B64C11/06 (2) · IPC B64D35/04 (2) · IPC B64C11/32 (2)
CPCs:
None (18) · CPC B64D35/04 (3) · CPC B64C11/04 (3) · CPC B64C11/006 (3) · CPC B64C11/00 (3) · CPC B64C11/20 (2) · CPC B64C11/16 (2) · CPC B64D27/00 (2) · CPC B64C11/34 (2)
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Showing below up to 68 results in range #1 to #68.

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