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Patents > Granted: Yes & IPCs : IPC B64C1/00 or IPC B64F1/04

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Tech fields:
stability (273) · airplane (245) · automatic stability (118) · design (85) · aerodynamics (63) · Control (54) · frame (50) · construction (47) · None (46) · wings (46) · equilibrium (43) · subsystem (38) · fuselage (37) · gyroscope (36) · lift (25) · rudder (23) · steering (18) · Propellers (16) · Sustentation (16)
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Supplementary to patent:
None (287) · Patent GB-1909-8531 (3) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent IT-1913-03-20 Vigilio Baldo (3) · Patent FR-1910-435648 (3)
Related to aircraft:
Patent agent:
None (88) · None (28) · Armengaud jeune (22) · Charles Dony (11) · J. Bonnet-Thirion (11) · Haseltine, Lake & Co. (10) · Boult, Wade & Tennant (10) · E. Blétry (8) · de Bongé (7) · J. Germain (7) · Schwab (7) · Herbert Haddan & Co. (7) · Hippolyte Josse (7) · Lavoix et Mosès (7) · J. Fayollet (6) · P. Follin (6) · Dom. Casalonga (6) · Abel & Imray‎ (6)
National tech categories:
FR 6.4 (293) · None (130) · DE 77h.5 (14) · USPC 244/119 (5) · USPC 244/177 (2) · USPC 244/79 (2) · FR 6.3 (2)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C17/00 (271) · CPC B64C2700/6218 (189) · CPC B64C1/00 (81) · CPC B64C17/06 (71) · CPC B64C2700/6216 (50) · CPC B64C2700/6219 (37) · CPC B64C2700/6228 (31) · CPC B64C2001/0063 (28) · CPC B64C2001/0081 (16) · CPC B64C2700/6225 (10) · CPC B64C1/061 (8) · CPC B64F1/04 (7) · CPC B64C1/06 (6) · CPC B64C17/04 (6) · CPC B64C1/068 (6) · CPC B64C2700/6204 (5) · CPC B64C1/08 (5) · CPC B64C2700/6223 (4) · CPC B64C1/12 (4)
First filing:
Citations from after 1930:
Number of diagram pages:

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