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Patents > Tech fields : Marine or lift or propellers & National tech categories: FR 6.4

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None (243) · Patent FR-1908-392672 (10) · Patent FR-1908-405961 (5) · Patent FR-1908-407090 (4) · Patent FR-1909-410848 (3) · Patent FR-1910-414695 (3)
Related to aircraft:
Patent agent:
Armengaud jeune (74) · None (58) · None (18) · J. Bonnet-Thirion (18) · E. Blétry (17) · G. de Mestral et F. Harlé (14) · Schwab (13) · Weismann et Marx (12) · J. Germain (12) · L. Chassevent (11) · de Bongé (8) · Charles Dony (8) · Boramé et Julien (8) · Hippolyte Josse (8) · Dupont et Elluin (8) · H. Bœttcher fils (7) · Brandon frères (6) · Charles Assi (6)
National tech categories: (Click arrow to add another value)
IPCs:
IPC B64C39/00 (51) · IPC B64C11/00 (41) · IPC B64C1/00 (34) · IPC B64C17/00 (32) · IPC B64C23/00 (28) · IPC B64C27/04 (18) · IPC B64C11/04 (14) · IPC B64C11/20 (13) · IPC B64C3/52 (13) · IPC B64C3/54 (12) · None (11) · IPC B64C35/00 (11) · IPC B64C3/38 (11) · IPC B64B1/00 (9) · IPC B64C33/02 (8) · IPC B64C13/00 (8) · IPC B64C3/48 (8) · IPC B64D27/00 (7) · IPC B64D35/04 (7) · IPC B64C11/16 (7)
CPCs:
CPC B64C39/00 (43) · CPC B64C17/00 (32) · CPC B64C2700/6295 (30) · CPC B64C23/005 (28) · CPC B64C2700/6274 (25) · CPC B64C11/006 (25) · CPC B64C2700/6218 (18) · CPC B64C11/04 (14) · CPC B64C3/52 (13) · CPC B64C27/04 (11) · CPC B64C3/385 (10) · CPC B64C2700/6281 (10) · CPC B64C3/54 (10) · CPC B64C11/00 (10) · CPC B64B1/00 (9) · CPC B64C13/00 (9) · CPC B64C33/02 (9) · CPC B64C2700/6245 (9) · CPC B64C3/48 (8) · CPC B64C11/205 (8)
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