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Patents > CPCs : CPC B64C11/006 or CPC B64C17/00 & Family year: 1900 - 1999

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Tech fields:
stability (413) · None (404) · airplane (295) · automatic stability (180) · design (100) · Control (90) · propulsion (80) · aerodynamics (77) · Frame (64) · Subsystem (62) · Equilibrium (62) · wings (59) · propellers (57) · construction (41) · Lift (36) · rudder (35) · propeller (33) · pendulum (33)
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Supplementary to patent:
None (835) · Patent FR-1908-396249 (5) · Patent US-1908-1077750 (4) · Patent GB-1909-8531 (4) · Patent FR-1909-399456 (3) · Patent FR-1911-446282 (3) · Patent US-1908-1081147 (3) · Patent IT-1910-10-17 Carlo Navaro (3) · Patent FR-1912-442419 (3) · Patent FR-1910-415470 (3) · Patent US-1908-989022 (3) · Patent NO-1915-12-15 Carl Alfred Johansson (3) · Patent DE-1911-11-16 Otto Albin Budig (3)
Related to aircraft:
Patent agent:
None (489) · Armengaud jeune (38) · None (36) · E. Blétry (20) · J. Bonnet-Thirion (15) · Marks & Clerk (13) · Victor J. Evans (11) · Munn & Co. (11) · Charles Dony (11) · Matray frères et Cie (10) · L. Chassevent (10) · Abel & Imray (10) · Schwab (8) · P. Follin (8) · Boramé et Julien (8) · Lavoix et Mosès (8) · Herbert Haddan & Co. (8) · Haseltine, Lake & Co. (8)
National tech categories:
None (489) · FR 6.4 (412) · USPC 244/80 (60) · USPC 244/93 (19) · USPC 244/177 (13) · FR 6.2 (12) · USPC 244/92 (8) · DE 77h.5 (8) · USPC 416/108 (6) · FR 6.3 (6) · USPC 416/113 (6) · USPC 244/90R (6) · DE 77h.6 (4) · FR 5.8 (4) · USPC 244/71 (4) · USPC 244/139 (3) · USPC 416/116 (3)
CPCs: (Click arrow to add another value)
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Citations from after 1930:
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