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Patents > CPCs : CPC B64C2700/6216 or CPC B64C2700/6295 & Citations from after 1930: None

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Tech fields:
None (348) · Airplane (159) · stability (91) · design (82) · frame (75) · Construction (42) · Wings (40) · aerodynamics (40) · automatic stability (31) · gyroscope (27) · control (26) · lift (26) · propellers (24) · whole (23) · rudder (23) · Propulsion (22) · wheels (21) · navigation (21)
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None (509) · Patent FR-1916-502839 (3) · Patent IT-1913-03-20 Vigilio Baldo (3) · Patent DE-1912-265515 (2) · Patent FR-1913-461629 (2) · Patent FR-1911-436026 (2) · Patent FR-1917-502839.21604 (2) · Patent FR-1910-430552 (2) · Patent FR-1910-421136 (2) · Patent FR-1909-421311 (2) · Patent FR-1909-406466 (2) · Patent FR-1909-395148 (2) · Patent NZ-1909-26981 (2) · Patent FR-1912-441089 (2) · Patent US-1911-994106 (2) · Patent US-1913-1175959 (2)
Related to aircraft:
Patent agent:
None (380) · Armengaud jeune (12) · J. Germain (10) · Weismann et Marx (9) · None (8) · Marks & Clerk (8) · Haseltine, Lake & Co. (7) · J. Bonnet-Thirion (5) · Hyde & Heide (5) · G. Petiau (5) · Charles Dony (5) · Brandon frères (4) · L. Chassevent (4) · Gaston Rose (4) · Chassevent (4) · Charles Assi (4) · Y. Rabilloud et fils (4)
National tech categories:
None (339) · FR 6.4 (162) · USPC 244/13 (24) · USPC 244/45R (22) · USPC 244/90R (8) · USPC 244/91 (7) · USPC 244/87 (5) · USPC 244/104R (3) · USPC 244/233 (3) · USPC 244/48 (3) · USPC 244/50 (3) · USPC 244/144 (3) · USPC 244/139 (3) · USPC 244/119 (3) · FR 6.3 (3) · USPC 244/99.11 (3) · DE 77h.5 (3)
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