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Patents > IPCs : IPC B64C1/00 or IPC B64C39/00 or IPC CPC B64C13/00 & Citations from after 1930: None

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Tech fields:
airplane (429) · stability (298) · design (210) · frame (123) · automatic stability (123) · wings (112) · aerodynamics (111) · Construction (103) · control (95) · None (93) · propulsion (78) · propellers (78) · lift (65) · Navigation (57) · subsystem (56) · fuselage (56) · equilibrium (51) · rudder (50) · Sustentation (46) · gyroscope (39)
Full specification filed date:
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Related to aircraft:
Patent agent:
None (202) · Armengaud jeune (44) · None (41) · J. Bonnet-Thirion (18) · Marks & Clerk (16) · Haseltine, Lake & Co. (15) · J. Germain (14) · Weismann et Marx (13) · E. Blétry (13) · Brandon frères (12) · Charles Dony (12) · Boult, Wade & Tennant (10) · Dupont et Elluin (9) · Boramé et Julien (9) · L. Chassevent (9)
National tech categories:
FR 6.4 (486) · None (222) · DE 77h.5 (24) · FR 6.3 (13) · USPC 244/45R (8) · USPC 244/13 (7) · DE 77h.11 (6) · USPC 244/119 (6) · USPC 244/233 (5) · FR 6.2 (4) · FR 6.1 (3) · USPC 244/78.1 (3) · USPC 244/87 (3) · USPC 244/27 (3) · USPC 244/80 (3)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C39/00 (267) · CPC B64C17/00 (233) · CPC B64C2700/6295 (210) · CPC B64C2700/6218 (161) · CPC B64C1/00 (62) · CPC B64C17/06 (57) · CPC B64C39/005 (50) · CPC B64C2700/6216 (39) · CPC B64C13/00 (36) · CPC B64C2700/6219 (27) · CPC B64C39/08 (26) · CPC B64C39/008 (23) · CPC B64C2001/0063 (20) · CPC B64C2700/6228 (19) · CPC B64C39/003 (18) · CPC B64C2700/6256 (14) · CPC B64C2001/0081 (13) · CPC B64C39/006 (11) · CPC B64C1/061 (9) · CPC B64C2700/6225 (9)
First filing:
Citations from after 1930:
Number of diagram pages:

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