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Patents > Tech fields : Airplane or propeller or propulsion & IPCs : IPC B64C25/00 or IPC B64C39/00

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Supplementary to patent:
None (199) · Patent FR-1916-502839 (4) · Patent FR-1909-420322 (3) · Patent US-1910-996592 (3) · Patent IT-1915-150227 (3) · Patent IT-1917-03-16 Federico Caproni (2) · Patent FR-1910-414004 (2) · Patent FR-1909-421311 (2) · Patent FR-1909-395148 (2) · Patent FR-1908-397350 (2) · Patent FR-1908-396470 (2) · Patent FR-1915-502433 (2) · Patent FR-1917-502839.21604 (2) · Patent FR-1902-326476 (2) · Patent FR-1911-419438 (2) · Patent NZ-1909-26981 (2)
Related to aircraft:
Patent agent:
None (57) · Armengaud jeune (25) · None (19) · J. Bonnet-Thirion (13) · Charles Dony (9) · Weismann et Marx (9) · Marks & Clerk (8) · J. Germain (7) · Dupont et Elluin (7) · Hippolyte Josse (6) · L. Chassevent (5) · G. de Mestral et F. Harlé (5) · E. Blétry (5) · Boramé et Julien (5) · Boult, Wade & Tennant (5) · Lavoix et Mosès (4) · Munn & Co. (4) · Société A. Frey et de Carsalade (4) · H. D. Fitzpatrick & Co. (4) · Y. Rabilloud et fils (4)
National tech categories:
FR 6.4 (202) · None (60) · FR 6.3 (8) · USPC 244/13 (4) · FR 6.2 (4) · USPC 244/45R (3) · USPC 244/70 (3) · DE 77h.11 (3) · DE 77h.5 (3) · USPC 244/20 (3) · USPC 244/27 (3) · USPC 244/9 (2) · DE 77h.9 (2) · USPC 244/19 (2) · USPC 244/100R (2) · USPC 244/102R (2) · USPC 244/104CS (2)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C39/00 (169) · CPC B64C2700/6295 (113) · CPC B64C25/06 (35) · CPC B64C39/005 (32) · CPC B64F2700/6226 (27) · CPC B64C25/62 (21) · CPC B64C39/08 (18) · CPC B64C25/64 (17) · CPC B64C39/008 (13) · CPC B64C39/003 (11) · CPC B64C25/52 (11) · CPC B64C25/54 (9) · CPC B64C39/006 (5) · CPC B64C25/60 (4) · CPC B64C3/42 (3)
First filing:
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