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Patents > IPCs : IPC B64B1/00 or IPC B64C25/00 or IPC B64C39/00 & CPCs: CPC B64C2700/6295

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Tech fields:
Airplane (109) · design (78) · None (57) · frame (52) · construction (44) · wings (36) · stability (36) · Aerodynamics (35) · whole (27) · Lift (25) · propellers (23) · aeroplane (23) · Propulsion (22) · Control (19) · fuselage (18) · chassis (15) · rudder (14) · monoplane (14) · wheels (12)
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Supplementary to patent:
None (191) · Patent FR-1916-502839 (3) · Patent FR-1912-441089 (2) · Patent FR-1909-403418 (2) · Patent FR-1908-396470 (2) · Patent FR-1913-461629 (2) · Patent FR-1910-421136 (2) · Patent US-1911-994106 (2) · Patent FR-1909-395148 (2) · Patent FR-1909-421311 (2) · Patent NZ-1909-26981 (2) · Patent FR-1917-502839.21604 (2)
Related to aircraft:
Patent agent:
None (56) · None (12) · Armengaud jeune (12) · Weismann et Marx (8) · Marks & Clerk (7) · L. Chassevent (6) · J. Germain (6) · J. Bonnet-Thirion (6) · Charles Assi (4) · E. Blétry (4) · Dupont et Elluin (4) · Chassevent (4) · Y. Rabilloud et fils (4) · Boramé et Julien (4)
National tech categories:
FR 6.4 (168) · None (82) · USPC 244/45R (14) · USPC 244/13 (10) · USPC 244/903 (2) · USPC 244/80 (2) · USPC 244/47 (2) · USPC 244/234 (2) · FR 6.3 (2) · DE 77h.5 (2)
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CPCs: (Click arrow to add another value)
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