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Patents > CPCs : CPC B64C23/005 or CPC B64C2700/6218 or CPC CPC B64C13/00

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Tech fields:
None (361) · airplane (155) · stability (122) · Propulsion (56) · frame (51) · navigation (41) · propeller (40) · helicopter (38) · hybrid (37) · design (36) · automatic stability (33) · propellers (25) · wings (25) · aerodynamics (23) · Lift (22) · construction (22) · control (21) · takeoff (19) · Rudder (19) · ascension (18)
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Supplementary to patent:
None (514) · Patent FR-1909-410140 (5) · Patent DE-1911-11-16 Otto Albin Budig (3)
Related to aircraft:
Patent agent:
None (266) · None (24) · Armengaud jeune (12) · J. Bonnet-Thirion (9) · Marks & Clerk (9) · E. Blétry (8) · Schwab (8) · Victor J. Evans (7) · J. Fayollet (7) · Boult, Wade & Tennant (7) · Charles Dony (6) · Munn & Co. (6) · Lavoix et Mosès (6) · J. Germain (6) · Edward Evans & Co. (5) · Borame et Julien (5) · G. de Mestral et F. Harle (5) · Brandon frères (5) · P. Follin (5)
National tech categories:
None (274) · FR 6.4 (241) · USPC 244/6 (48) · USPC 244/66 (20) · USPC 244/12.1 (16) · USPC 244/80 (7) · DE 77h.5 (6) · USPC 244/60 (6) · USPC 244/35R (5) · DE 77 (5) · FR 6.3 (5) · USPC 244/100R (5) · USPC 244/139 (5) · USPC 244/48 (4) · USPC 244/104R (3) · USPC 244/65 (3) · USPC 244/53R (3) · USPC 244/233 (3) · USPC 244/51 (3) · DE 77h (3)
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Cites these patents:
None (662)
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