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Patents > National tech categories : DE 77h.6 or USPC 244/13

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Office:
Inventors:
None (19) · Jakob Haw (7) · Christian Lorenzen (6) · Hellmuth Hirth (4) · Lucien Chauvière (2) · Samuel H. Gilson (2) · Joseph Hofmann (2) · Paul Frederik Degn (2)
Inventor country:
Applicant person:
None (38) · Jakob Haw (5) · Lucien Chauvière (2) · Samuel H. Gilson (2) · Joseph Hofmann (2) · Paul Frederik Degn (2) · Christian Lorenzen (2) · Hans Reissner (2) · Hellmuth Hirth (2)
Applicant is inventor:
Tech fields:
propeller (65) · propulsion (22) · Airplane (19) · frame (14) · None (11) · stability (10) · Propellers (10) · navigation (10) · rudder (7) · wheels (6) · takeoff (5) · subsystem (5) · design (4) · parachute (4) · metal (4) · helicopter (4) · marine (4) · car (4)
Full specification filed date:
Application number:
None (57)
Granted:
Publication date:
Related to aircraft:
National tech categories: (Click arrow to add another value)
IPCs:
None (44) · IPC B64C39/00 (10) · IPC B64C11/16 (9) · IPC B64C11/34 (6) · IPC B64C39/08 (4) · IPC B64C11/20 (4) · IPC B64C11/00 (4) · IPC B64C11/04 (4) · IPC B64C11/06 (3) · IPC B64C27/04 (3) · IPC B64C11/36 (3) · IPC B64C2700/6295 (2) · IPC B64C11/24 (2) · IPC B64C11/32 (2)
CPCs:
CPC B64C2700/6295 (28) · None (16) · CPC B64C39/08 (12) · CPC B64C11/04 (7) · CPC B64C11/20 (6) · CPC B64C11/00 (5) · CPC B64C11/006 (5) · CPC B64C39/00 (4) · CPC B64C11/36 (4) · CPC B64C11/24 (3) · CPC B64C2700/6281 (3) · CPC B64C27/20 (3) · CPC B64C11/16 (3)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
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Showing below up to 113 results in range #1 to #113.

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