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Patents > CPCs : CPC B64C11/48 or CPC B64C2700/6256 or CPC B64C2700/6281

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Tech fields:
None (214) · airplane (61) · control (55) · helicopter (45) · steering (35) · stability (30) · propellers (28) · Propulsion (27) · Propeller (25) · design (20) · wings (17) · rudder (16) · navigation (14) · frame (14) · aerodynamics (12) · ascension (12) · lift (11) · hybrid (11) · construction (11) · subsystem (11)
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Supplementary to patent:
None (401) · Patent US-1909-1008096 (2) · Patent FR-1915-478440 (2) · Patent GB-1911-04-28 Belton Tattnall Hamilton (2) · Patent FR-1908-407090 (2) · Patent GB-1913-3848 (2) · Patent FR-1912-451312 (2) · Patent US-1911-1011761 (2) · Patent US-1913-1118124 (2)
Related to aircraft:
Patent agent:
None (234) · None (11) · Armengaud jeune (10) · Marks & Clerk (10) · Brewer & Son (8) · Munn & Co. (6) · Weismann et Marx (6) · G. F. Redfern & Co. (5) · J. Germain (4) · Haseltine, Lake & Co. (4) · Brierley & Howard (4) · J. S. Withers & Spooner (4) · Boult, Wade & Tennant (4) · Brandon frères (4) · Browne & Co. (4)
National tech categories:
None (302) · FR 6.4 (101) · USPC 416/129 (7) · FR 6.3 (7) · USPC 416/128 (7) · USPC 416/200R (6) · USPC 244/65 (4) · DE 77h.5 (4) · DE 77h.6 (4) · USPC 416/123 (3) · USPC 244/90R (2) · GB 4 steering (2) · USPC 416/121 (2) · USPC 244/17.15 (2) · USPC 244/231 (2)
CPCs: (Click arrow to add another value)
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