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Patents > IPCs : IPC B64C11/16 or IPC B64C25/00 or IPC B64C3/00

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None (297) · Rumpler-Werke G.m.b.H. in Berlin-Johannisthal (9) · Jacob Lohner & Co. (5) · E. Rumpler Luftfahrzeugbau G.m.b.H. (4) · Curtiss Aeroplane (4) · AGO Flugzeugwerke G. m. b. H. (3) · Sopwith Aviation Company Limited (3) · Aéroplanes Morane-Saulnier (3) · British and Colonial Aeroplane Co. (3) · Société Industrielle de Delle (2) · Société Chastang frères (2) · Rumpler-Werke A.-G. in Berlin-Johannisthal (2) · John A. Roebling's Sons (2) · Gothaer Waggonfabrik A. G. (2) · Luft-Verkehrs-Gesellschaft m.b.H. (2) · Blackburn Aeroplane and Motor Co. (2) · Curtiss Aeroplane and Motor Corporation (2) · Blackburn Aeroplane & Motor Co. (2) · Allgemeine Elektricitäts-Gesellschaft (2) · Blair Atholl Aeroplane Syndicate (2)
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Supplementary to patent:
None (285) · Patent FR-1907-373818 (4) · Patent FR-1911-429224 (3) · Patent AT-1913-79244 (3) · Patent IT-1915-150227 (3) · Patent BE-1911-04-14 Lucien-Constant-Joseph Harel (2) · Patent FR-1909-412818 (2) · Patent FR-1910-424987 (2) · Patent FR-1908-405961 (2) · Patent FR-1908-397350 (2) · Patent FR-1911-448337 (2) · Patent DE-1916-332540 (2) · Patent FR-1917-504302 (2) · Patent GB-1912-26911 (2) · Patent GB-1927-653688 (2) · Patent FR-1909-420322 (2) · Patent US-1911-1028409 (2) · Patent IT-1917-03-16 Federico Caproni (2) · Patent AT-1911-58081 (2)
Related to aircraft:
Patent agent:
None (95) · Armengaud jeune (21) · Marks & Clerk (17) · None (13) · Charles Dony (9) · Hippolyte Josse (8) · Weismann et Marx (7) · Haseltine, Lake & Co. (7) · J. Bonnet-Thirion (6) · Dupont et Elluin (6) · Boult, Wade, and Tennant (5) · Lavoix et Moses (5) · Brewer & Son (5) · John P. Tarbox (5) · E. Blétry (4) · L. Chassevent (4) · Dom. Casalonga (4) · G. de Mestral et F. Harlé (4)
National tech categories:
FR 6.4 (155) · None (124) · DE 77h.5 (24) · DE 77h.6 (9) · FR 5.3 (7) · DE 77h.7 (7) · DE 77h.9 (6) · USPC 244/48 (6) · FR 6.2 (5) · USPC 244/104R (5) · USPC 244/49 (5) · USPC 244/100R (4) · USPC 244/46 (4) · USPC 244/90R (3) · AT 77d (3) · USPC 244/102R (3)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C3/00 (203) · CPC B64C2700/6235 (87) · CPC B64F2700/6226 (69) · CPC B64C2700/6233 (67) · CPC B64C25/06 (65) · CPC B64C25/62 (39) · CPC B64C11/16 (37) · CPC B64C25/64 (27) · CPC B64C25/52 (23) · CPC B64C25/54 (18) · CPC B64C25/60 (9) · None (8) · CPC B64C3/385 (7) · CPC B64C25/00 (6) · CPC B64C25/14 (5) · CPC B64C1/26 (4) · CPC B64C25/50 (4) · CPC B64C25/36 (4) · CPC B64C25/34 (4)
First filing:
Citations from after 1930:
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