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Patents > IPCs : IPC B64C1/00 or IPC B64C27/04 or IPC B64C3/18

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Office:
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Tech fields:
airplane (283) · stability (282) · automatic stability (119) · design (117) · Frame (93) · construction (87) · None (74) · aerodynamics (72) · wings (61) · control (59) · helicopter (51) · equilibrium (44) · subsystem (43) · fuselage (42) · gyroscope (40) · propellers (38) · Lift (35) · propulsion (28) · rudder (25)
Full specification filed date:
Application number:
Granted:
Supplementary to patent:
None (415) · Patent FR-1917-504302 (3) · Patent FR-1910-435648 (3) · Patent IT-1913-03-20 Vigilio Baldo (3) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent GB-1909-8531‎ (3)
Related to aircraft:
Patent agent:
None (136) · None (45) · Armengaud jeune (32) · J. Germain (15) · Boult, Wade & Tennant (13) · J. Bonnet-Thirion (12) · Haseltine, Lake & Co. (12) · Charles Dony (10) · Lavoix et Mosès (10) · Schwab (9) · Herbert Haddan & Co. (9) · Hippolyte Josse (9) · Marks & Clerk (9) · E. Blétry (9) · de Bongé (8) · J. Fayollet (8) · Brandon frères (8) · Dom. Casalonga (7)
National tech categories:
FR 6.4 (372) · None (212) · DE 77h.5 (19) · FR 6.3 (10) · USPC 244/119 (5) · DE 77h.6 (3) · USPC 244/177 (2) · FR 7.1 (2) · USPC 244/79 (2) · DE 77 (2) · CH 129b (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 B64C3/18 (42) · CPC B64C2700/6219 (37) · CPC B64C2700/6228 (31) · CPC B64C2001/0063 (29) · CPC B64C3/185 (27) · CPC B64C27/12 (21) · CPC B64C2001/0081 (17) · CPC B64C27/20 (10) · CPC B64C2700/6225 (10) · CPC B64C1/061 (9) · CPC B64C17/04 (7) · CPC B64C3/00 (7)
First filing:
Citations from after 1930:
Number of diagram pages:

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