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Patents > Office : MX or Other & Inventor country: FR & Tech fields : propeller or wings

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Supplementary to patent:
None (254) · Patent FR-1907-373818 (9) · Patent FR-1908-392672 (7) · Patent BE-1911-04-14 Lucien-Constant-Joseph Harel (4) · Patent FR-1904-340154 (4) · Patent FR-1909-403985 (4) · Patent FR-1908-407090 (4) · Patent FR-1908-405961 (3) · Patent BE-1910-230887 (3) · Patent BE-1909-218585 (3) · Patent FR-1911-448337 (3) · Patent FR-1911-429224 (3)
Related to aircraft:
Patent agent:
None (115) · Armengaud jeune (66) · None (20) · Weismann et Marx (16) · J. Bonnet-Thirion (13) · Hippolyte Josse (13) · G. de Mestral et F. Harlé (11) · E. Blétry (8) · Abel & Imray (7) · Dupont et Elluin (6) · C. Blétry (6) · Charles Dony (6) · L. Chassevent (6) · Émile Bert (6) · J. Germain (5) · Haseltine, Lake & Co. (4) · Noël et Pellegrini (4) · De Visscher et Graetz (4)
National tech categories:
FR 6.4 (267) · None (54) · BE K (22) · FR 6.3 (19) · DE 77h.5 (10) · AT 77d (7) · FR 6.2 (6) · HU V/h (5) · FR 5 (4) · DE 77h.6 (4) · DE 77h (2) · DE 77h.10 (2) · GB 4 with buoyant (2) · FR 10.2 (2) · FR 10.4 (2) · FR 12.3 (2) · CH 129c (2) · FR 5.3 (2) · USPC 244/104R (2) · USPC 244/119 (2)
IPCs:
None (95) · IPC B64C1/00 (36) · IPC B64C39/00 (34) · IPC B64C17/00 (34) · IPC B64C3/00 (30) · IPC B64C3/38 (22) · IPC B64C33/02 (18) · IPC B64C3/52 (14) · IPC B64C3/54 (12) · IPC B64C11/00 (11) · IPC B64C23/00 (10) · IPC B64B1/00 (10) · IPC B64C3/56 (9) · IPC B64C3/18 (8) · IPC B64C13/00 (8) · IPC B64C3/48 (7) · IPC B64C27/04 (7) · IPC B64C3/14 (6) · IPC B64C11/16 (6) · IPC B64C25/00 (5)
CPCs:
None (77) · CPC B64C17/00 (35) · CPC B64C3/00 (29) · CPC B64C39/00 (28) · CPC B64C2700/6295 (21) · CPC B64C33/02 (19) · CPC B64C2700/6233 (18) · CPC B64C3/385 (17) · CPC B64C3/52 (15) · CPC B64C23/005 (12) · CPC B64C13/00 (12) · CPC B64C2700/6218 (12) · CPC B64C3/56 (10) · CPC B64B1/00 (10) · CPC B64C1/00 (9) · CPC B64C3/54 (9) · CPC B64C11/006 (8)
First filing:
Citations from after 1930:
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