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Patents > IPCs : IPC B64C1/00 or IPC B64C27/04

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Tech fields:
stability (282) · airplane (264) · automatic stability (119) · design (98) · aerodynamics (67) · None (66) · Control (59) · Frame (57) · construction (53) · Wings (51) · helicopter (51) · equilibrium (44) · gyroscope (40) · subsystem (39) · propellers (37) · fuselage (37) · lift (34) · propulsion (28) · rudder (24) · hybrid (23)
Full specification filed date:
Application number:
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Supplementary to patent:
None (361) · Patent FR-1910-435648 (3) · Patent GB-1909-8531 (3) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent IT-1913-03-20 Vigilio Baldo (3)
Related to aircraft:
Patent agent:
None (116) · None (37) · Armengaud jeune (27) · J. Germain (12) · J. Bonnet-Thirion (12) · Haseltine, Lake & Co. (11) · Charles Dony (10) · Boult, Wade & Tennant (10) · Lavoix et Mosès (9) · Schwab (9) · J. Fayollet (8) · de Bongé (8) · Marks & Clerk (8) · Hippolyte Josse (8) · E. Blétry (8) · Herbert Haddan & Co. (8) · Dom. Casalonga (7) · Brandon frères (7)
National tech categories:
FR 6.4 (348) · None (171) · DE 77h.5 (13) · FR 6.3 (10) · USPC 244/119 (5) · DE 77h.6 (3) · USPC 244/177 (2) · DE 77 (2) · USPC 244/79 (2)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C17/00 (279) · CPC B64C2700/6218 (193) · CPC B64C2700/6281 (83) · CPC B64C1/00 (81) · CPC B64C17/06 (73) · CPC B64C27/04 (62) · CPC B64C2700/6216 (52) · CPC B64C2700/6219 (37) · CPC B64C2700/6228 (31) · CPC B64C2001/0063 (29) · CPC B64C27/12 (21) · CPC B64C2001/0081 (15) · CPC B64C27/20 (10) · CPC B64C2700/6225 (10) · CPC B64C1/061 (9) · CPC B64C17/04 (7) · CPC B64C1/06 (6) · CPC B64C1/068 (6) · CPC B64C27/52 (6)
First filing:
Citations from after 1930:
Number of diagram pages:

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