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Patents > Tech fields : Lift or subsystem & Related to aircraft: Yes

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Supplementary to patent:
None (239) · Patent FR-1908-392672 (10) · Patent GB-1909-8531 (7) · Patent GB-1908-4519 (6) · Patent FR-1909-399456 (5) · Patent FR-1907-382794 (4) · Patent US-1908-1077750 (4) · Patent FR-1908-407090 (4) · Patent FR-1910-423792 (4) · Patent ES-1906-38692‎ (4)
Related to aircraft: (Click arrow to add another value)
Patent agent:
None (185) · Armengaud jeune (42) · Marks & Clerk (15) · G. de Mestral et F. Harlé (14) · Abel & Imray (10) · E. Blétry (10) · Haseltine, Lake & Co. (9) · J. Bonnet-Thirion (9) · L. Chassevent (8) · Boult, Wade & Tennant (7) · Dom. Casalonga (5) · Weismann et Marx (5) · J. Germain (5) · Noël et Pellegrini (4) · Émile Bert (4) · Brandon frères (4) · Ed. Wolf (4) · None (4) · Charles Dony (4) · Schwab (4)
National tech categories:
FR 6.4 (186) · None (114) · HU V/h (51) · FR 6.2 (14) · BE K (9) · GB 4 propel & steer (9) · FR 6.3 (8) · DE 77h.5 (6) · AT 77d (6) · CH 129b (5) · DE 77h (4) · USPC 244/80 (3)
IPCs:
None (163) · IPC B64C1/00 (50) · IPC B64C17/00 (46) · IPC B64C39/00 (28) · IPC B64C3/54 (16) · IPC B64C3/38 (14) · IPC B64C3/00 (14) · IPC B64B1/00 (11) · IPC B64C23/00 (11) · IPC B64C3/52 (9) · IPC B64C13/00 (9) · IPC B64C11/00 (9) · IPC B64B1/58 (7) · IPC B64C33/02 (7) · IPC B64C17/06 (6) · IPC B64C11/16 (5) · IPC B64C33/00 (5)
CPCs:
None (125) · CPC B64C17/00 (58) · CPC B64C39/00 (23) · CPC B64C2700/6218 (22) · CPC B64C2700/6295 (18) · CPC B64C13/00 (17) · CPC B64C23/005 (14) · CPC B64C3/00 (14) · CPC B64C3/385 (13) · CPC B64B1/00 (12) · CPC B64C3/54 (12) · CPC B64C2700/6274 (10) · CPC B64C1/00 (10) · CPC B64C33/02 (9) · CPC B64C3/52 (9) · CPC B64C2700/6212 (8) · CPC B64C2700/6214 (8) · CPC B64C2700/6233 (8) · CPC B64C11/006 (8) · CPC B64C2700/6256 (8)
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