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Patents > IPCs : IPC B63H1/16 or IPC B64C1/00

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Tech fields:
None (202) · stability (179) · Airplane (146) · automatic stability (57) · design (38) · frame (35) · construction (30) · control (28) · gyroscope (27) · fuselage (26) · aerodynamics (26) · Subsystem (24) · wings (24) · equilibrium (24) · rudder (14) · lift (12) · propellers (11) · balance (11) · Steering (10) · navigation (10)
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Supplementary to patent:
None (303) · Patent FR-1910-435648 (3) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent IT-1913-03-20 Vigilio Baldo (3) · Patent GB-1909-8531 (3)
Related to aircraft:
Patent agent:
None (92) · None (29) · Armengaud jeune (23) · Boult, Wade & Tennant (11) · J. Bonnet-Thirion (11) · Charles Dony (10) · Haseltine, Lake & Co. (10) · Schwab (9) · E. Blétry (8) · Marks & Clerk (7) · Hippolyte Josse (7) · Lavoix et Mosès (7) · Herbert Haddan & Co. (7) · J. Germain (7) · de Bongé (7) · P. Follin (6) · Paul Coulomb (6) · Dom. Casalonga (6) · Brandon frères (6) · Abel & Imray (6)
National tech categories:
FR 6.4 (299) · None (154) · DE 77h.5 (14) · USPC 244/119 (5) · USPC 244/79 (2) · FR 6.3 (2) · USPC 244/177 (2)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C17/00 (295) · CPC B64C2700/6218 (204) · CPC B64C1/00 (88) · CPC B64C17/06 (72) · CPC B64C2700/6216 (51) · CPC B64C2700/6219 (37) · CPC B64C2700/6228 (35) · CPC B64C2001/0063 (30) · CPC B64C2001/0081 (19) · CPC B64C2700/6225 (10) · CPC B64C1/061 (10) · CPC B64C17/04 (7) · CPC B64C1/06 (6) · CPC B64C1/068 (6) · CPC B64C2700/6204 (5) · CPC B64C2700/6223 (5) · CPC B64C1/08 (5) · CPC B64C1/12 (4) · CPC B63H1/16 (4)
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