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Patents > CPCs : CPC B64C17/00 or CPC B64C39/005 & Family year: 1900 - 1999

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Tech fields:
stability (424) · None (339) · airplane (303) · automatic stability (180) · design (98) · control (87) · frame (80) · Aerodynamics (71) · equilibrium (62) · wings (54) · subsystem (52) · propulsion (45) · navigation (42) · construction (41) · Rudder (38) · Lift (34) · pendulum (33) · LTA (25) · aeroplane (25) · propeller (24)
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Supplementary to patent:
None (735) · Patent FR-1908-396249 (5) · Patent US-1908-1077750 (4) · Patent GB-1909-8531 (4) · Patent IT-1910-10-17 Carlo Navaro (3) · Patent FR-1910-415470 (3) · Patent NO-1915-12-15 Carl Alfred Johansson (3) · Patent US-1908-1081147 (3) · Patent FR-1912-442419 (3) · Patent FR-1909-399456 (3) · Patent US-1908-989022 (3) · Patent FR-1911-446282 (3) · Patent DE-1911-11-16 Otto Albin Budig (3)
Related to aircraft:
Patent agent:
None (393) · None (34) · Armengaud jeune (30) · E. Blétry (18) · Munn & Co. (17) · Marks & Clerk (15) · Victor J. Evans (12) · Charles Dony (11) · Matray frères et Cie (10) · J. Bonnet-Thirion (10) · Abel & Imray (9) · Herbert Haddan & Co. (9) · J. Germain (8) · Lavoix et Mosès (8) · Haseltine, Lake & Co. (8) · P. Follin (7) · Boramé et Julien (7) · L. Chassevent (7)
National tech categories:
None (381) · FR 6.4 (366) · USPC 244/80 (60) · USPC 244/93 (19) · USPC 244/20 (19) · USPC 244/177 (13) · USPC 244/70 (13) · USPC 244/9 (11) · DE 77h.5 (9) · FR 6.3 (9) · USPC 244/92 (8) · USPC 244/90R (7) · USPC 244/139 (4) · USPC 244/39 (4) · USPC 244/119 (3) · USPC 244/19 (3) · USPC 244/87 (3)
CPCs: (Click arrow to add another value)
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