Drilldown: Patents

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Patents > Application number: None & National tech categories : DE 77h.6 or USPC 244/119

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Office:
Inventors:
None (8) · Christian Lorenzen (4) · Jakob Haw (2) · Joseph Hofmann (2) · Hellmuth Hirth (2) · Lucien Chauvière (2)
Inventor country:
Applicant person:
None (26) · Joseph Hofmann (2) · Lucien Chauvière (2)
Applicant type:
Applicant is inventor:
Tech fields:
propeller (41) · propulsion (12) · marine (6) · None (5) · wood (3) · helicopter (3) · subsystem (3) · Airplane (3) · parachute (3) · LTA (3) · metal (3)
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Related to aircraft:
National tech categories: (Click arrow to add another value)
CPCs:
None (16) · CPC B64C11/00 (3) · CPC B64C11/006 (3) · CPC B64C11/34 (2) · CPC B64C11/16 (2) · CPC B64C11/04 (2) · CPC B64C11/20 (2)
First filing:
Cites these patents:
Citations from after 1930:
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