Drilldown: Patents

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Patents > Tech fields : propellers or sustentation & Number of figures: 2-4

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Supplementary to patent:
None (242) · Patent FR-1910-423792 (5) · Patent BE-1911-04-14 Lucien-Constant-Joseph Harel (4) · Patent US-1909-970771 (4) · Patent DE-1911-251309 (4) · Patent FR-1911-430455 (4) · Patent US-1908-927605 (3) · Patent FR-1908-392672 (3) · Patent AT-1909-40038 (3) · Patent FR-1908-407090 (3)
Related to aircraft:
Patent agent:
None (152) · Armengaud jeune (25) · None (13) · E. Blétry (12) · G. de Mestral et F. Harlé (10) · Boult, Wade & Tennant (9) · J. Bonnet-Thirion (8) · Weismann et Marx (7) · Marks & Clerk (7) · L. Chassevent (7) · Haseltine, Lake & Co. (6) · Schwab (5) · Y. Rabilloud et fils (5)
National tech categories:
FR 6.4 (162) · None (109) · HU V/h (56) · FR 6.2 (20) · AT 77d (13) · FR 6.3 (7) · DE 77h.6 (7) · CH 129b (3) · BE K (2) · FR 20.1 (2) · FR 10.1 (2) · FR 5.3 (2) · FR 6.1 (2) · AT 65b (2) · USPC 244/17.21 (2) · DE 77h.5 (2) · USPC 244/64 (2)
IPCs:
None (145) · IPC B64C11/00 (38) · IPC B64C39/00 (32) · IPC B64C11/20 (16) · IPC B64C11/04 (15) · IPC B64C23/00 (13) · IPC B64C1/00 (11) · IPC B64C17/00 (11) · IPC B64C11/16 (10) · IPC B64C11/36 (9) · IPC B64C33/02 (8) · IPC B64C3/54 (8) · IPC B63H1/12 (7) · IPC B64D35/04 (6) · IPC B64C27/04 (6) · IPC B64C35/00 (5) · IPC B64C3/38 (5) · IPC B64C27/00 (5)
CPCs:
None (113) · CPC B64C11/006 (27) · CPC B64C39/00 (23) · CPC B64C11/04 (15) · CPC B64C23/005 (14) · CPC B64C2700/6295 (14) · CPC B64C11/00 (13) · CPC B64C11/16 (13) · CPC B64C2700/6274 (11) · CPC B64C17/00 (11) · CPC B64C11/36 (10) · CPC B64C33/02 (9) · CPC B64C11/20 (9) · CPC B64C11/205 (7) · CPC B64C3/54 (7) · CPC B64C2700/6218 (6) · CPC B64D35/04 (6) · CPC B63H1/26 (6)
First filing:
Citations from after 1930:
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