Drilldown: Patents

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Patents > Tech fields : Propellers or hybrid & Filing date: 1900 - 1909

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Supplementary to patent:
None (289) · Patent BE-1909-214032 (7) · Patent GB-1908-4519 (7) · Patent US-1909-970771 (7) · Patent FR-1908-404631 (4) · Patent FR-1908-407090 (4) · Patent DE-1907-214228 (4) · Patent BE-1907-198483 (4) · Patent FR-1905-353709 (3) · Patent FR-1899-292828 (3) · Patent HU-1901-24148 (3) · Patent RU-1905-Rebikov (3) · Patent FR-1905-356644 (3)
Related to aircraft:
Patent agent:
None (159) · Armengaud jeune (19) · None (19) · G. de Mestral et F. Harlé (9) · Y. Rabilloud et fils (8) · A. Wunderlich & Cie, Ingénieurs-Conseils (8) · Lavoix et Mosès (7) · Boult, Wade & Tennant (7) · J. Bonnet-Thirion (6) · Ad. Sturm (5) · C. Blétry (5) · Chassevent (5) · Munn & Co. (5) · Charles Assi (5) · Schwab (5) · Marks & Clerk (5) · Haseltine, Lake & Co. (5) · J. Germain (5)
National tech categories:
FR 6.4 (132) · None (100) · HU V/h (34) · BE K (30) · FR 6.3 (19) · FR 6.2 (17) · AT 77d (9) · USPC 244/11 (6) · USPC 244/25 (5) · RU Group V (5) · DK 77 (4) · USPC 244/22 (4) · USPC 244/6 (4) · DE 77h (4) · CH 129b (4)
IPCs:
None (219) · IPC B64C39/00 (31) · IPC B64B1/00 (28) · IPC B64C23/00 (19) · IPC B64C27/04 (14) · IPC B64C33/02 (13) · IPC B64C11/00 (13) · IPC B63H1/12 (11) · IPC B64C17/00 (7) · IPC B64D35/04 (7) · IPC B64C11/20 (6) · IPC B64C33/00 (5) · IPC B64C1/00 (5) · IPC B64B1/58 (5) · IPC B64C31/04 (4) · IPC B64C35/00 (4) · IPC B64B1/40 (4) · IPC F03G7/10 (3) · IPC B64C3/52 (3) · IPC B64C3/56 (3)
CPCs:
None (162) · CPC B64B1/00 (35) · CPC B64C39/00 (25) · CPC B64C23/005 (25) · CPC B64C33/02 (19) · CPC B64C2700/6295 (16) · CPC B64C2700/6274 (12) · CPC B64C11/006 (10) · CPC B64C27/12 (9) · CPC B64D35/04 (8) · CPC B64C17/00 (8) · CPC B64C33/00 (8) · CPC B64C2700/6281 (7) · CPC B64C27/04 (6) · CPC B64C39/003 (6) · CPC B64C11/20 (6) · CPC B63H1/26 (6) · CPC B64B1/40 (5) · CPC B64C39/005 (5) · CPC B64B1/58 (5)
First filing:
Citations from after 1930:
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