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Patents > IPCs : IPC B63B43/00 or IPC B64C1/00 or IPC B64C39/00

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Office:
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Tech fields:
None (420) · airplane (276) · Stability (219) · design (110) · frame (92) · construction (71) · wings (68) · automatic stability (63) · propulsion (61) · control (51) · propellers (47) · aerodynamics (46) · fuselage (43) · lift (40) · navigation (37) · whole (36) · subsystem (36) · gyroscope (31) · rudder (29) · equilibrium (28)
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Patent agent:
None (196) · None (62) · Armengaud jeune (46) · J. Bonnet-Thirion (24) · Marks & Clerk (22) · Boult, Wade & Tennant (20) · E. Blétry (17) · J. Germain (17) · Charles Dony (14) · Weismann et Marx (14) · Haseltine, Lake & Co. (14) · Borame et Julien (13) · Brandon frères (12) · L. Chassevent (11) · Herbert Haddan & Co. (11) · Lavoix et Mosès (11) · Dupont et Elluin (11) · Schwab (11) · Y. Rabilloud et fils (10)
National tech categories:
FR 6.4 (577) · None (297) · DE 77h.5 (22) · FR 6.3 (13) · USPC 244/45R (12) · USPC 244/13 (10) · USPC 244/119 (7) · USPC 244/70 (6) · DE 77h.11 (6) · USPC 244/27 (4) · FR 6.2 (4) · USPC 244/87 (3) · USPC 244/9 (3) · USPC 244/19 (3) · FR 6.1 (3)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C39/00 (307) · CPC B64C17/00 (295) · CPC B64C2700/6295 (261) · CPC B64C2700/6218 (204) · CPC B64C1/00 (89) · CPC B64C17/06 (72) · CPC B64C39/005 (65) · CPC B64C2700/6216 (51) · CPC B64C39/08 (46) · CPC B64C2700/6219 (37) · CPC B64C2700/6228 (35) · CPC B64C2001/0063 (30) · CPC B64C39/008 (29) · CPC B64C39/003 (20) · CPC B64C2001/0081 (19) · CPC B64C39/006 (12) · CPC B64C1/061 (10) · CPC B64C2700/6225 (10) · CPC B64C17/04 (7)
First filing:
Citations from after 1930:
Number of diagram pages:

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