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Patents > CPCs : CPC B63H11/12 or CPC B64B1/40 or CPC B64C2700/6256

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Tech fields:
None (118) · LTA (101) · control (54) · airplane (52) · Stability (50) · balloon (45) · steering (37) · navigation (28) · frame (26) · rudder (24) · Design (22) · safety (15) · propulsion (15) · wings (14) · airship (14) · aerodynamics (14) · subsystem (12) · construction (12) · car (12) · parachute (11)
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Supplementary to patent:
None (296) · Patent FR-1902-321808 (2) · Patent US-1913-1118124 (2) · Patent US-1911-1003530 (2) · Patent US-1909-1008096 (2) · Patent GB-1913-3848 (2) · Patent GB-1911-2636 (2) · Patent GB-1911-04-28 Belton Tattnall Hamilton (2) · Patent FR-1912-451312 (2) · Patent FR-1912-458772 (2)
Related to aircraft:
Patent agent:
None (179) · Armengaud jeune (13) · Marks & Clerk (12) · Brewer & Son (9) · Boult, Wade & Tennant (5) · Weismann et Marx (5) · Haseltine, Lake & Co. (4) · None (4) · Munn & Co. (4) · Brierley & Howard (4) · Brierley & Appleyard (3) · G. F. Redfern & Co.‎ (3) · E. Blétry (3) · Hippolyte Josse (3) · Émile Klotz (3) · Abel & Imray (3)
National tech categories:
None (169) · FR 6.4 (78) · USPC 244/127 (17) · USPC 244/32 (13) · USPC 244/96 (12) · USPC 244/33 (10) · DE 77 (9) · FR 6.3 (8) · USPC 244/31 (8) · DE 77h (5) · USPC 244/99 (5) · DE 77h.5 (3) · USPC 244/128 (2) · USPC 244/90R (2) · USPC 244/94 (2) · USPC 244/115 (2) · USPC 244/97 (2) · USPC 244/231 (2) · GB 4 propel & steer (2) · USPC 104/22 (2)
CPCs: (Click arrow to add another value)
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