Drilldown: Patents

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Patents > Year granted: 1910 - 1919 & Assigned to: None & IPCs : IPC B64B1/40 or IPC B64C25/60 or IPC B64C33/00 or IPC B64C33/02 or None & CPCs : CPC B64C2700/6295 or CPC B64C33/02 & Family year: 1900 - 1999

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None (362) · frame (47) · Airplane (43) · flapping (35) · ornithopter (33) · stability (30) · wings (26) · propulsion (23) · propeller (22) · navigation (21) · rudder (20) · wheels (16) · airfoil (13) · takeoff (11) · design (9) · hybrid (8) · whole (6) · subsystem (6) · construction (6)
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None (455) · Patent FR-1912-446040 (4) · Patent GB-1909-12556 (3) · Patent DE-1910-09-03 Richard Blum (2) · Patent DE-1909-244441 (2) · Patent FR-1909-420004 (2)
Related to aircraft:
Patent agent:
None (383) · None (8) · Marks & Clerk (5) · Victor J. Evans (4) · Schwab (3) · C. A. Snow & Co. (3) · A. de Carsalade (3) · Dupont et Elluin (2) · C. A. Knowles (2) · Charles Dony (2) · Munn & Co. (2) · J. G. Lorrain (2) · Criswell & Criswell (2) · Armengaud jeune (2) · Hippolyte Josse (2) · Herbert W. T. Jenner (2) · Poole & Brown (2)
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National tech categories:
None (279) · FR 6.4 (50) · USPC 244/22 (39) · USPC 244/45R (24) · USPC 244/13 (16) · USPC 244/72 (9) · USPC 244/87 (7) · USPC 244/91 (5) · USPC 244/90R (5) · USPC 244/48 (4) · USPC 244/35R (4) · USPC 244/100R (3) · USPC 244/144 (3) · USPC 244/139 (3) · USPC 244/133 (3) · USPC 244/119 (3) · DE 77h.10 (3)
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