Drilldown: Patents

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Patents > Office : DE or Other & CPCs : CPC B64C2700/6235 or CPC B64C2700/6295 & Citations from after 1930: None

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Office: (Click arrow to add another value)
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Tech fields:
None (367) · Airplane (160) · Frame (98) · design (92) · construction (68) · stability (53) · Wings (45) · Aerodynamics (36) · lift (28) · fuselage (27) · whole (23) · propellers (22) · rudder (22) · propulsion (22) · wheels (21) · navigation (20) · control (19) · chassis (19)
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Supplementary to patent:
None (546) · Patent FR-1916-502839 (3) · Patent BE-1911-04-14 Lucien-Constant-Joseph Harel (2) · Patent FR-1913-461629 (2) · Patent FR-1917-502839.21604 (2) · Patent FR-1910-421136 (2) · Patent FR-1909-421311 (2) · Patent FR-1909-395148 (2) · Patent NZ-1909-26981 (2) · Patent DE-1912-265515 (2) · Patent FR-1912-441089 (2) · Patent AT-1913-79244 (2) · Patent US-1911-994106 (2)
Related to aircraft:
Patent agent:
None (410) · Armengaud jeune (12) · Weismann et Marx (9) · Marks & Clerk (9) · None (7) · J. Germain (6) · Charles Dony (6) · J. Bonnet-Thirion (5) · Hyde & Heide (5) · Gaston Rose (5) · G. Petiau (5) · Dupont et Elluin (5) · Brandon frères (4) · Lavoix et Mosès (4) · Chassevent (4) · Charles Assi (4) · Y. Rabilloud et fils (4)
National tech categories:
None (346) · FR 6.4 (160) · USPC 244/13 (24) · USPC 244/45R (22) · DE 77h.5 (19) · USPC 244/90R (8) · USPC 244/91 (7) · USPC 244/87 (5) · FR 6.3 (4) · USPC 244/119 (3) · USPC 244/48 (3) · USPC 244/50 (3) · USPC 244/144 (3) · USPC 244/139 (3) · USPC 244/104R (3) · USPC 244/233 (3)
CPCs: (Click arrow to add another value)
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Citations from after 1930:
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