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

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Tech fields:
None (194) · airplane (97) · construction (55) · frame (51) · Wings (47) · LTA (45) · design (44) · propulsion (35) · stability (34) · propellers (29) · Control (27) · Lift (25) · navigation (23) · Aerodynamics (21) · subsystem (18) · landing (17) · rudder (16) · Chassis (13) · balloon (12)
Full specification filed date:
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Supplementary to patent:
None (312) · Patent FR-1907-373818 (12) · Patent FR-1908-392672 (10) · Patent FR-1906-366080 (5) · Patent FR-1908-405961 (5) · Patent FR-1909-408197 (4) · Patent FR-1911-430455 (3) · Patent FR-1910-414695 (3)
Related to aircraft:
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IPCs:
None (64) · IPC B64C39/00 (35) · IPC B64C1/00 (34) · IPC B64C17/00 (30) · IPC B64C35/00 (23) · IPC B64B1/00 (22) · IPC B64C13/00 (21) · IPC B64C3/00 (19) · IPC B64C11/00 (16) · IPC B64C25/00 (13) · IPC B64C3/54 (13) · IPC B64C11/04 (12) · IPC B64C3/38 (11) · IPC B64C3/52 (9) · IPC B64B1/58 (9) · IPC B64C3/56 (8) · IPC B64C3/18 (8)
CPCs:
None (48) · CPC B64C17/00 (33) · CPC B64C13/00 (28) · CPC B64C39/00 (26) · CPC B64B1/00 (22) · CPC B64C2700/6295 (21) · CPC B64C2700/6256 (20) · CPC B64C35/00 (19) · CPC B64C3/00 (19) · CPC B64C11/006 (13) · CPC B64C2700/6218 (13) · CPC B64C25/06 (12) · CPC B64C11/04 (12) · CPC B64C3/54 (11) · CPC B64C3/385 (11) · CPC B64C1/00 (10) · CPC B64C3/52 (9) · CPC B64B1/58 (9) · CPC B64C25/62 (9)
First filing:
Citations from after 1930:
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