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Patents > CPCs : CPC B64C2700/6274 or CPC B64C2700/6295 & Citations from after 1930: None

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None (404) · airplane (169) · design (99) · frame (85) · Stability (58) · construction (54) · propulsion (48) · wings (47) · aerodynamics (43) · propellers (43) · Lift (38) · control (32) · whole (28) · navigation (25) · Rudder (24) · hybrid (23) · chassis (21) · Wheels (21) · Ascension (19)
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None (587) · Patent FR-1916-502839 (3) · Patent DE-1909-220044 (2) · Patent FR-1913-461629 (2) · Patent FR-1915-525800 (2) · Patent FR-1910-421136 (2) · Patent FR-1909-421311 (2) · Patent FR-1909-410140 (2) · Patent FR-1917-502839.21604 (2) · Patent FR-1909-395148 (2) · Patent FR-1908-407090 (2) · Patent FR-1908-394254‎ (2) · Patent DE-1912-265515 (2) · Patent NZ-1909-26981 (2) · Patent DE-1910-06-18 Carl Hanschke (2) · Patent FR-1912-441089 (2) · Patent US-1911-994106 (2) · Patent AT-1909-40038 (2)
Related to aircraft:
Patent agent:
None (427) · Armengaud jeune (13) · None (11) · Marks & Clerk (10) · J. Germain (10) · Weismann et Marx (9) · J. Bonnet-Thirion (6) · Boramé et Julien (6) · Chassevent (5) · Charles Dony (5) · G. Petiau (5) · G. de Mestral et F. Harle (5) · Hyde & Heide (5) · E. Blétry (4) · Schwab (4) · Lavoix et Mosès (4) · Charles Assi (4) · Brandon frères (4) · Boult, Wade & Tennant (4) · Y. Rabilloud et fils (4)
National tech categories:
None (384) · FR 6.4 (199) · USPC 244/13 (24) · USPC 244/45R (22) · USPC 244/90R (8) · USPC 244/91 (7) · USPC 244/87 (5) · FR 6.3 (4) · USPC 244/144 (3) · USPC 244/50 (3) · USPC 244/104R (3) · USPC 244/139 (3) · USPC 244/48 (3) · DE 77h.5 (3) · USPC 244/119 (3) · USPC 244/233 (3)
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