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Patents > Patent agent : Bertin or J. Germain or Munn & Co.

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Office:
Inventors:
Émile Letord (13) · Louis Marmonier (7) · Alexander Blair Thaw (5) · None (4) · Watson F. Quinby (4) · Malcolm Grover Adams (4) · Jean Constantin (4) · Joseph Gachet (3) · William Beeson (3) · Désiré Sival (3) · Charles Michael Wanzer (3)
Inventor country:
Applicant person:
None (21) · Émile Letord (13) · Louis Marmonier (7) · Alexander Blair Thaw (5) · Watson F. Quinby (4) · Malcolm Grover Adams (4) · Jean Constantin (4) · Charles Michael Wanzer (3) · Désiré Sival (3) · Joseph Gachet (3)
Applicant is inventor:
Tech fields:
airplane (52) · propulsion (47) · stability (45) · LTA (43) · frame (40) · None (34) · navigation (30) · propeller (22) · flapping (18) · control (17) · rudder (15) · car (15) · Hybrid (15) · Design (14) · Propellers (13) · helicopter (10) · construction (10) · automatic stability (10) · military (10) · airfoil (10)
Full specification filed date:
Application number:
None (95) · 22495318 (2) · 494571D (2) · 496388D (2) · 510210D (2) · 510212D (2)
Granted:
Related to aircraft:
Patent agent: (Click arrow to add another value)
National tech categories:
FR 6.4 (61) · None (45) · USPC 244/64 (10) · USPC 244/233 (6) · USPC 244/3.23 (6) · USPC 244/22 (5) · USPC 244/28 (5) · USPC 244/30 (5) · USPC 244/177 (4) · USPC 244/100R (3) · USPC 244/26 (3) · USPC 244/27 (3) · USPC 244/34R (3) · USPC 244/9 (3) · USPC 244/90R (3) · USPC 416/116 (3) · USPC 244/97 (3)
IPCs:
None (133) · IPC B64C39/00 (16) · IPC B64B1/00 (11) · IPC B64C17/00 (9) · IPC B64C1/00 (8) · IPC B64C27/04 (6) · IPC F42B10/00 (4) · IPC B64C23/00 (4) · IPC B64C13/00 (4) · IPC B64C3/00 (4) · IPC B64C31/00 (3) · IPC B64C17/06 (3) · IPC B64C33/02 (3) · IPC B64C3/18 (3) · IPC B64C25/00 (3)
CPCs:
CPC B64B1/00 (18) · CPC B64C17/00 (17) · CPC B64C13/00 (13) · None (11) · CPC B64C39/005 (11) · CPC B64C2700/6295 (11) · CPC B64C23/005 (9) · CPC B64C3/385 (7) · CPC B64C27/54 (7) · CPC B64C39/00 (7) · CPC B64C33/02 (7) · CPC B64C17/06 (5) · CPC B64C2700/6281 (5) · CPC B64C2700/6212 (5) · CPC F42B10/30 (5) · CPC B64C11/006 (5)
First filing:
Citations from after 1930:
Number of diagram pages:

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