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Patents > National tech categories : DE 77h.6 or USPC 244/22 or USPC 244/50

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Office:
Inventors:
None (12) · Jakob Haw (7) · Christian Lorenzen (7) · Hellmuth Hirth (4) · Ruter William Springer (2) · Frederick William Brearey (2) · Lucien Chauvière (2) · Paul Frederik Degn (2) · Julius Uherkovich de Uherkocz (2) · Joseph Hofmann (2) · John Washington Wilson (2) · Charles I MATSON (2) · Bartholomew Connolly (2)
Inventor country:
Applicant person:
None (36) · Jakob Haw (5) · Joseph Hofmann (2) · MATSON Charles I (2) · Hellmuth Hirth (2) · Ruter William Springer (2) · Julius Uherkovich de Uherkócz (2) · John Washington Wilson (2) · Hans Reissner (2) · Bartholomew Connolly (2) · Lucien Chauvière (2) · Paul Frederik Degn (2) · Christian Lorenzen (2)
Applicant is inventor:
Tech fields:
propeller (62) · propulsion (39) · frame (32) · flapping (29) · None (28) · navigation (23) · airplane (22) · ornithopter (20) · propellers (14) · rudder (13) · marine (12) · wheels (11) · hybrid (10) · stability (9) · takeoff (9) · wings (9) · parachute (8) · car (8)
Full specification filed date:
Application number:
None (56)
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (113) · None (4) · C. A. Snow & Co. (3) · Munn & Co. (3) · Knight Bros. (2) · F. N. Gillent (2) · C. Fehlert, G. Loubier, Fr. Harmsen, A. Büttner u. E. Meißner (2) · Poole & Brown (2)
National tech categories: (Click arrow to add another value)
IPCs:
None (92) · IPC B64C33/00 (15) · IPC B64C33/02 (10) · IPC B64C11/16 (8) · IPC B64C11/20 (4) · IPC B64C11/34 (4) · IPC B64C27/04 (3) · IPC B64C11/00 (3) · IPC B64C25/00 (2) · IPC B64C11/32 (2) · IPC B64C11/24 (2) · IPC B64C25/50 (2) · IPC B64C11/06 (2) · IPC B64C39/00 (2)
CPCs:
CPC B64C33/02 (70) · None (16) · CPC B64C11/20 (6) · CPC B64C33/00 (5) · CPC B64C11/006 (5) · CPC B64C11/04 (5) · CPC B64C2700/6295 (4) · CPC B64C11/00 (4) · CPC B64C2700/6281 (3) · CPC B64C27/20 (3) · CPC B64C25/50 (3) · CPC B64C11/24 (3) · CPC B64C27/54 (2) · CPC B64C11/34 (2) · CPC B64C11/22 (2) · CPC B64C11/205 (2) · CPC B64C23/005 (2) · CPC B64C11/16 (2) · CPC B21D53/78 (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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