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Patents > Patent agent : Armengaud jeune or Boult, Wade & Tennant or Brewer & Son

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Tech fields:
airplane (197) · design (104) · construction (89) · frame (84) · wings (77) · stability (75) · propellers (63) · LTA (59) · propulsion (53) · control (52) · aerodynamics (51) · Lift (46) · navigation (36) · None (34) · landing (32) · automatic stability (28) · rudder (27) · sustentation (26) · subsystem (25) · Chassis (23)
Full specification filed date:
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Supplementary to patent:
None (311) · Patent FR-1907-373818 (11) · Patent FR-1908-392672 (8) · Patent FR-1906-366080 (5) · Patent FR-1908-405961 (5) · Patent FR-1910-414695 (3) · Patent FR-1909-408197 (3) · Patent FR-1911-430455 (3)
Related to aircraft:
Patent agent: (Click arrow to add another value)
IPCs:
None (64) · IPC B64C1/00 (34) · IPC B64C39/00 (32) · IPC B64C17/00 (29) · IPC B64C35/00 (23) · IPC B64B1/00 (23) · IPC B64C3/00 (19) · IPC B64C11/00 (18) · IPC B64C13/00 (18) · IPC B64C3/54 (14) · IPC B64C25/00 (13) · IPC B64C11/04 (12) · IPC B64C3/38 (11) · IPC B64B1/58 (9) · IPC B64C23/00 (9) · IPC B64C3/52 (9) · IPC B64C3/18 (7) · IPC B64C3/56 (7) · IPC B64B1/40 (6) · IPC B64C13/04 (6)
CPCs:
None (47) · CPC B64C17/00 (32) · CPC B64C13/00 (27) · CPC B64B1/00 (23) · CPC B64C39/00 (22) · CPC B64C3/00 (20) · CPC B64C2700/6256 (20) · CPC B64C35/00 (19) · CPC B64C2700/6295 (18) · CPC B64C11/006 (14) · CPC B64C2700/6218 (13) · CPC B64C25/06 (12) · CPC B64C11/04 (12) · CPC B64C3/385 (11) · CPC B64C3/54 (11) · CPC B64C1/00 (10)
First filing:
Citations from after 1930:
Number of diagram pages:

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