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Patents > IPCs : IPC B64C23/00 or IPC B64C27/04 or IPC B64C31/00

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None (294) · Seine (10) · Seine-et-Oise (4) · Paris (4) · Aisne (4) · California (3) · Nord (3) · Villers-Cotterêts (2) · Meurthe-et-Moselle (2) · London (2) · Indiana (2) · Gironde (2) · Charente-Inférieure (2) · Maine-et-Loire (2)
Applicant is inventor:
Tech fields:
None (86) · Airplane (86) · helicopter (76) · propulsion (58) · hybrid (52) · propellers (47) · design (40) · frame (36) · Ascension (35) · lift (30) · stability (27) · kite (27) · wings (24) · propeller (21) · construction (20) · Heavier-than-air (19) · navigation (18) · control (18) · sustentation (18) · aerodynamics (17)
Full specification filed date:
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Supplementary to patent:
None (266) · Patent FR-1909-410140 (5) · Patent FR-1908-407090 (4) · Patent FR-1915-525800 (2) · Patent AT-1909-40038 (2) · Patent DE-1910-06-18 Carl Hanschke (2) · Patent FR-1909-404954 (2) · Patent FR-1905-357917 (2) · Patent US-1911-1011761 (2) · Patent US-1911-1009048 (2) · Patent US-1911-1006282 (2) · Patent DE-1909-220044 (2) · Patent FR-1915-502520 (2)
Related to aircraft:
Patent agent:
None (66) · None (31) · Armengaud jeune (10) · G. de Mestral et F. Harlé (8) · J. Germain (8) · Schwab (7) · J. Bonnet-Thirion (6) · Marks & Clerk (6) · C. Blétry (5) · J. Fayollet (5) · W. P. Thompson & Co. (5) · E. Bletry (5) · Paul Caquet (4) · Matray freres et Cie (4) · Chassevent (4) · Lavoix et Mosès (4) · J. S. Withers & Spooner (4) · Munn & Co. (4)
National tech categories:
FR 6.4 (193) · None (95) · USPC 244/153R (20) · FR 6.3 (12) · DE 77 (6) · USPC 244/155R (6) · USPC 244/6 (3) · DE 77h.6 (3) · USPC 244/66 (2) · USPC 244/64 (2) · USPC 244/154 (2) · DE 77h.5 (2)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C23/005 (217) · CPC B64C2700/6274 (139) · CPC B64C2700/6281 (78) · CPC B64C27/04 (60) · CPC A63H27/08 (23) · CPC B64C27/12 (20) · CPC B64C2700/6273 (17) · CPC B64C2700/6271 (16) · CPC B64C27/20 (10) · CPC B64C27/52 (6) · CPC B64C23/00 (6) · CPC A63H27/087 (5) · CPC B64C29/0025 (4) · CPC B64C39/06 (3)
First filing:
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