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Patents > CPCs : CPC B64C2700/6212 or CPC B64C2700/6216 or CPC B64C2700/6295

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Tech fields:
None (455) · airplane (221) · stability (188) · frame (89) · design (87) · Automatic stability (71) · control (52) · construction (46) · aerodynamics (45) · wings (43) · rudder (34) · gyroscope (33) · whole (30) · propulsion (28) · lift (28) · navigation (28) · propellers (27) · wheels (26) · subsystem (26) · pendulum (25)
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Supplementary to patent:
None (723) · Patent FR-1908-396249 (5) · Patent FR-1916-502839 (3) · Patent IT-1913-03-20 Vigilio Baldo (3)
Related to aircraft:
Patent agent:
None (441) · None (24) · Armengaud jeune (17) · J. Germain (15) · Marks & Clerk (11) · Weismann et Marx (10) · Haseltine, Lake & Co. (9) · E. Bletry (9) · Matray frères et Cie (8) · L. Chassevent (8) · Herbert Haddan & Co. (8) · G. Petiau (8) · Boult, Wade & Tennant (8) · J. Bonnet-Thirion (7) · Boramé et Julien (7) · Schwab (6) · Charles Dony (6) · Y. Rabilloud et fils (6) · Abel & Imray (6)
National tech categories:
None (445) · FR 6.4 (277) · USPC 244/45R (48) · USPC 244/13 (32) · USPC 244/87 (8) · USPC 244/90R (8) · USPC 244/91 (7) · DE 77h.5 (6) · USPC 244/48 (5) · USPC 244/119 (4) · USPC 244/35R (4) · USPC 244/113 (4) · USPC 244/903 (4) · USPC 244/50 (4) · USPC 244/100R (4) · FR 6.3 (4) · USPC 244/233 (4)
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