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Patents > Inventor location: None & IPCs : IPC B64C1/00 or IPC H02K21/42

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Tech fields:
stability (248) · Airplane (213) · automatic stability (103) · design (72) · None (52) · aerodynamics (52) · control (45) · Construction (40) · frame (39) · wings (38) · equilibrium (37) · gyroscope (32) · fuselage (32) · subsystem (28) · rudder (19) · lift (19) · sustentation (15) · landing (15) · steering (14) · propellers (14)
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Supplementary to patent:
None (261) · Patent FR-1906-366080 (4) · 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 (73) · Armengaud jeune (25) · None (20) · Boult, Wade & Tennant (10) · J. Bonnet-Thirion (10) · Schwab (8) · Haseltine, Lake & Co. (8) · Charles Dony (8) · J. Germain (7) · Hippolyte Josse (7) · Lavoix et Mosès (7) · E. Blétry (7) · De Bongé (7) · Abel & Imray (6) · Dupont et Elluin (6) · J. Fayollet (6) · Paul Coulomb (6)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C17/00 (262) · CPC B64C2700/6218 (182) · CPC B64C1/00 (73) · CPC B64C17/06 (64) · CPC B64C2700/6216 (44) · CPC B64C2700/6219 (33) · CPC B64C2700/6228 (32) · CPC B64C2001/0063 (28) · CPC B64C2001/0081 (16) · CPC B64C2700/6225 (10) · CPC B64C1/061 (9) · CPC B64C1/06 (6) · CPC B64C1/068 (5) · CPC B64C17/04 (5) · CPC B64C2700/6223 (5) · CPC B64C1/08 (5) · CPC B64C11/04 (4) · CPC B64C1/12 (4) · CPC F01L1/04 (4) · CPC H02K21/42 (4)
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