Drilldown: Patents

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Patents > Tech fields : lift or propeller or propulsion & Number of claims: 1-2

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Full specification filed date:
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Supplementary to patent:
None (403) · Patent FR-1908-392672 (8) · Patent DE-1913-290120 (5) · Patent FR-1910-423792 (5) · Patent AT-1909-48421 (4) · Patent CH-1907-41855 (4) · Patent DE-1913-293131 (3) · Patent AT-1909-40038 (3) · Patent SE-1906-25199 (3) · Patent BE-1911-04-14 Lucien-Constant-Joseph Harel (3)
Related to aircraft:
Patent agent:
None (247) · Armengaud jeune (29) · None (26) · J. Germain (10) · E. Blétry (10) · Dom. Casalonga (10) · J. Bonnet-Thirion (10) · Schwab (9) · Y. Rabilloud et fils (8) · De Bongé (8) · G. de Mestral et F. Harlé (7) · L. Chassevent (7) · Brandon frères (5) · Munn & Co. (5) · Victor J. Evans (5)
National tech categories:
FR 6.4 (215) · None (98) · FR 6.2 (40) · HU V/h (30) · AT 77d (28) · DE 77 (26) · DE 77h.6 (14) · DE 77h.5 (12) · FR 6.3 (11) · FR 5.8 (9) · USPC 244/73R (8) · RU Group V (8) · USPC 244/66 (4) · USPC 244/30 (4) · FR 5.3 (4) · DK 77 (4) · DE 77h (4) · GB 4 propel & steer (4) · CH 129b (4)
IPCs:
None (229) · IPC B64C11/00 (47) · IPC B64C39/00 (36) · IPC B64B1/00 (29) · IPC B64C23/00 (22) · IPC B64C33/02 (17) · IPC B64C17/00 (15) · IPC B64C1/00 (14) · IPC B63H1/12 (11) · IPC B64C3/54 (10) · IPC B64C27/04 (9) · IPC B64C11/16 (9) · IPC B64B1/58 (9) · IPC B64C27/00 (9) · IPC B64C3/38 (7) · IPC B64C3/48 (6) · IPC B64C11/30 (6) · IPC B64D27/00 (6) · IPC B64C11/20 (6)
CPCs:
None (146) · CPC B64C11/006 (43) · CPC B64B1/00 (37) · CPC B64C23/005 (30) · CPC B64C39/00 (25) · CPC B64C33/02 (17) · CPC B64C2700/6295 (16) · CPC B64C2700/6274 (16) · CPC B64C17/00 (16) · CPC B64C11/00 (14) · CPC B64C39/005 (10) · CPC B64C11/001 (10) · CPC B63H1/26 (9) · CPC B64C3/54 (9) · CPC B64C11/16 (9) · CPC B64C2700/6281 (8) · CPC B64C3/385 (8) · CPC B64B1/58 (8) · CPC B64C11/48 (7) · CPC B64C27/00 (7)
First filing:
Citations from after 1930:
Number of text pages:
Number of claims:
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