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Patents > CPCs : CPC B64C23/005 or CPC B64C27/04 or CPC B64C2700/6218

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None (609) · Seine (15) · Paris (7) · Seine-et-Oise (6) · California (6) · Nord (4) · Meurthe-et-Moselle (4) · Chicago (4) · Aisne (4) · Budapest (3) · Indiana (3) · Charente-Inférieure (3) · New York (3) · Manche (3)
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Tech fields:
None (234) · airplane (229) · stability (187) · helicopter (88) · propulsion (87) · design (80) · automatic stability (70) · frame (68) · hybrid (68) · propeller (53) · propellers (50) · navigation (47) · wings (43) · aerodynamics (43) · lift (42) · control (42) · ascension (35) · construction (34) · sustentation (27) · Takeoff (25)
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Supplementary to patent:
None (537) · Patent FR-1909-410140 (5) · Patent FR-1908-407090 (4) · Patent DE-1911-11-16 Otto Albin Budig (3)
Related to aircraft:
Patent agent:
None (201) · None (42) · Armengaud jeune (18) · Marks & Clerk (11) · Victor J. Evans (11) · J. Bonnet-Thirion (10) · Munn & Co. (10) · E. Bletry (10) · Schwab (10) · J. Fayollet (10) · G. de Mestral et F. Harlé (8) · Brandon frères (7) · J. Germain (7) · Lavoix et Mosès (7) · Boult, Wade & Tennant (7) · Borame et Julien (6) · W. P. Thompson & Co. (6) · Herbert Haddan & Co. (6) · Charles Dony (6)
National tech categories:
FR 6.4 (303) · None (258) · USPC 244/6 (47) · USPC 244/66 (20) · USPC 244/12.1 (15) · FR 6.3 (8) · USPC 244/80 (7) · USPC 244/60 (6) · DE 77h.5 (6) · USPC 244/139 (5) · USPC 244/35R (5) · USPC 244/100R (5) · DE 77 (5) · USPC 244/48 (4) · DE 77h (3) · USPC 244/104R (3) · USPC 244/65 (3) · USPC 244/51 (3)
CPCs: (Click arrow to add another value)
First filing:
Cites these patents:
None (706)
Citations from after 1930:
Number of diagram pages:

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