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Patents > CPCs : CPC B27M3/10 or CPC B64C23/005 or CPC B64C2700/6218

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None (544) · Seine (12) · Paris (7) · California (5) · Seine-et-Oise (4) · Nord (4) · Chicago (4) · New York (3) · Meurthe-et-Moselle (3) · Aisne (3) · Indiana (3) · Manche (3)
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Tech fields:
airplane (216) · None (212) · stability (186) · propulsion (74) · automatic stability (72) · design (71) · frame (62) · hybrid (57) · helicopter (55) · propeller (47) · navigation (45) · propellers (45) · control (42) · aerodynamics (42) · wings (39) · lift (35) · construction (31) · ascension (28) · takeoff (23)
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Supplementary to patent:
None (486) · Patent FR-1909-410140 (5) · Patent DE-1911-11-16 Otto Albin Budig (3)
Related to aircraft:
Patent agent:
None (173) · None (35) · Armengaud jeune (18) · Victor J. Evans (11) · J. Bonnet-Thirion (10) · Munn & Co. (9) · Schwab (9) · E. Bletry (9) · Marks & Clerk (9) · Boult, Wade & Tennant (8) · J. Fayollet (8) · Charles Dony (6) · G. de Mestral et F. Harlé (6) · W. P. Thompson & Co. (6) · J. Germain (6)
National tech categories:
FR 6.4 (269) · None (230) · USPC 244/6 (47) · USPC 244/66 (20) · USPC 244/12.1 (15) · USPC 244/80 (7) · DE 77h.5 (7) · USPC 244/60 (6) · DE 77 (5) · USPC 244/35R (5) · USPC 244/139 (5) · FR 6.3 (5) · USPC 244/100R (5) · USPC 244/48 (4) · USPC 244/51 (3) · USPC 244/104R (3) · USPC 244/65 (3)
CPCs: (Click arrow to add another value)
First filing:
Cites these patents:
None (639)
Citations from after 1930:
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