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Patents > National tech categories : DE 77h.6 or USPC 244/51

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Office:
Inventors:
None (13) · Jakob Haw (7) · Christian Lorenzen (7) · Hellmuth Hirth (4) · Joseph Hofmann (2) · Lucien Chauvière (2) · Paul Frederik Degn (2) · Joel Trout Rice (2) · Aladar de Bajza (2)
Inventor country:
Applicant person:
None (34) · Jakob Haw (5) · Hans Reissner (2) · Paul Frederik Degn (2) · Hellmuth Hirth (2) · Lucien Chauvière (2) · Christian Lorenzen (2) · Joseph Hofmann (2) · Joel Trout Rice (2) · Aladar de Bajza (2)
Applicant is inventor:
Tech fields:
propeller (60) · propulsion (30) · navigation (19) · LTA (18) · None (11) · airplane (11) · propellers (10) · frame (10) · rudder (9) · stability (9) · helicopter (8) · car (8) · marine (6) · subsystem (6) · metal (4) · control (4) · steering (4) · balloon (4)
Full specification filed date:
Application number:
None (59)
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Related to aircraft:
National tech categories: (Click arrow to add another value)
CPCs:
CPC B64C9/00 (33) · None (17) · CPC B64C11/20 (6) · CPC B64C11/04 (5) · CPC B64C11/006 (5) · CPC B64C11/00 (4) · CPC B64C27/20 (3) · CPC B64C23/005 (3) · CPC B64C2700/6281 (3) · CPC B64C11/24 (3) · CPC B64B1/00 (3) · CPC B64C11/16 (2) · CPC B64C11/205 (2) · CPC B64C11/22 (2) · CPC B21D53/78 (2) · CPC B64C11/34 (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of diagram pages:

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