Drilldown: Patents

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Patents > Year granted: 1900 - 1999 & Tech fields : propellers or propulsion & Granted : No or Yes & National tech categories : FR 6.3 or FR 6.4 & Cites these patents: None

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Supplementary to patent:
None (296) · Patent FR-1908-405961 (5) · Patent FR-1908-407090 (4) · Patent FR-1910-414695 (3)
Related to aircraft:
Patent agent:
None (87) · Armengaud jeune (45) · None (27) · J. Bonnet-Thirion (17) · E. Blétry (16) · J. Germain (14) · Schwab (14) · L. Chassevent (13) · G. de Mestral et F. Harlé (12) · Lavoix et Mosès (11) · Chassevent (10) · Charles Dony (9) · Brandon frères (9) · Weismann et Marx (9) · Charles Assi (8) · Boramé et Julien (8) · Dupont et Elluin (7) · Hippolyte Josse (7) · de Bongé (7)
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IPCs:
IPC B64C39/00 (71) · IPC B64C11/00 (58) · IPC B64B1/00 (46) · IPC B64C23/00 (32) · IPC B64C27/04 (23) · None (17) · IPC B64C33/02 (17) · IPC B64C11/04 (16) · IPC B64D27/00 (14) · IPC B64C17/00 (14) · IPC B64C1/00 (13) · IPC B64C11/20 (13) · IPC B64D35/04 (11) · IPC B64B1/58 (11) · IPC B64C11/16 (7) · IPC B64C11/30 (7) · IPC B64C33/00 (6) · IPC B64C35/00 (6) · IPC B64C27/00 (6)
CPCs:
CPC B64C39/00 (49) · CPC B64B1/00 (46) · CPC B64C11/006 (41) · CPC B64C23/005 (33) · CPC B64C2700/6295 (27) · CPC B64C2700/6274 (27) · CPC B64C33/02 (18) · CPC B64C11/04 (16) · CPC B64C2700/6281 (15) · CPC B64C17/00 (15) · CPC B64C11/00 (13) · CPC B64C27/04 (13) · CPC B64D27/00 (12) · CPC B64D35/04 (11) · CPC B64B1/58 (11) · CPC B64C2700/6218 (10) · CPC B64C27/12 (10) · CPC B64C39/005 (9)
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