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Patents > CPCs : CPC B64C17/00 or CPC B64C2700/6271

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Tech fields:
stability (437) · airplane (330) · None (280) · automatic stability (196) · design (94) · control (89) · Aerodynamics (72) · frame (64) · equilibrium (64) · Subsystem (52) · wings (52) · rudder (37) · construction (37) · pendulum (36) · lift (32) · navigation (24) · balance (23) · steering (21) · propellers (18) · aileron (17)
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Supplementary to patent:
None (630) · Patent FR-1908-396249 (5) · Patent GB-1909-8531 (4) · Patent US-1908-1077750 (4) · Patent US-1908-935766 (3) · Patent IT-1910-10-17 Carlo Navaro (3) · Patent NO-1915-12-15 Carl Alfred Johansson (3) · Patent FR-1910-415470 (3) · Patent FR-1912-442419 (3) · Patent US-1908-1081147 (3) · Patent US-1908-989022 (3) · Patent FR-1909-399456 (3) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent FR-1911-446282 (3)
Related to aircraft:
Patent agent:
None (328) · None (35) · Armengaud jeune (28) · E. Blètry (16) · Marks & Clerk (14) · Victor J. Evans (13) · Charles Dony (12) · J. Bonnet-Thirion (11) · Matray frères et Cie (11) · Abel & Imray (10) · Munn & Co. (9) · Lavoix et Mosès (8) · Haseltine, Lake & Co. (8) · J. Germain (8) · Herbert Haddan & Co. (8) · P. Follin (8) · Schwab (7) · Hippolyte Josse (7) · L. Chassevent (7)
National tech categories:
FR 6.4 (373) · None (325) · USPC 244/80 (60) · USPC 244/93 (20) · DE 77h.5 (20) · USPC 244/177 (13) · USPC 244/92 (8) · USPC 244/90R (6) · USPC 244/139 (3) · FR 6.3 (3) · USPC 244/82 (2) · FR 6.2 (2) · USPC 244/89 (2) · DE 77h (2) · USPC 244/91 (2) · USPC 244/100R (2) · USPC 244/87 (2) · USPC 244/233 (2) · USPC 244/113 (2)
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