Drilldown: Patents

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Patents > Assigned to: None & National tech categories : DE 77h.6 or USPC 244/118.5

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Office:
Inventors:
None (13) · Christian Lorenzen (7) · Jakob Haw (7) · Hellmuth Hirth (4) · Joseph Hofmann (2) · Paul Frederik Degn (2) · Lucien Chauvière (2) · François M. Rilleau (2)
Inventor country:
Applicant person:
None (31) · Jakob Haw (5) · François M. Rilleau (2) · Paul Frederik Degn (2) · Lucien Chauvière (2) · Joseph Hofmann (2) · Hans Reissner (2) · Hellmuth Hirth (2) · Christian Lorenzen (2)
Applicant is inventor:
Tech fields:
propeller (50) · propulsion (16) · Propellers (9) · None (8) · subsystem (6) · Airplane (5) · helicopter (5) · safety (4) · metal (4) · navigation (3) · marine (3)
Full specification filed date:
Granted:
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National tech categories: (Click arrow to add another value)
CPCs:
None (16) · CPC B64C11/20 (6) · CPC B64C11/04 (6) · CPC B64C11/00 (5) · CPC B64C11/006 (5) · CPC B64C2700/6281 (3) · CPC B64C11/24 (3) · CPC B64C11/16 (3) · CPC B64C27/20 (3) · CPC B64C11/065 (2) · CPC B64C11/205 (2) · CPC B64C11/34 (2) · CPC B21D53/78 (2) · CPC B64C11/22 (2) · CPC B64B1/00 (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:
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Showing below up to 81 results in range #1 to #81.

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