Drilldown: Patents

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

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Supplementary to patent:
None (446) · Patent FR-1908-392672 (8) · Patent NO-1915-12-15 Carl Alfred Johansson (7) · Patent FR-1909-399456 (6) · Patent SE-1906-25199 (3) · Patent DE-1913-290120 (3) · Patent AT-1913-66955 (3) · Patent FR-1911-446282 (3) · Patent BE-1911-11-17 (3) · Patent BE-1911-04-14 Lucien-Constant-Joseph Harel (3)
Related to aircraft:
Patent agent:
None (241) · Armengaud jeune (43) · None (29) · J. Bonnet-Thirion (16) · J. Germain (15) · E. Blétry (14) · Lavoix et Mosès (8) · Dom. Casalonga (8) · Victor J. Evans (7) · J. Fayollet (7) · G. de Mestral et F. Harlé (7) · Haseltine, Lake & Co. (6) · L. Chassevent (6) · Herbert Haddan & Co. (6) · Charles Dony (6) · Hippolyte Josse (6) · Abel & Imray (6)
National tech categories:
FR 6.4 (340) · None (102) · AT 77d (29) · HU V/h (27) · DE 77 (15) · DE 77h.5 (14) · FR 6.3 (11) · DE 77h.6 (11) · CH 129b (11) · FR 6.2 (9) · RU Group V (8) · DK 77 (6) · USPC 244/80 (5) · USPC 244/79 (4) · USPC 244/66 (4)
IPCs:
None (214) · IPC B64C17/00 (184) · IPC B64C1/00 (139) · IPC B64C39/00 (27) · IPC B64B1/00 (22) · IPC B64C17/06 (16) · IPC B64C23/00 (16) · IPC B64C13/00 (15) · IPC B64C3/54 (14) · IPC B64C3/38 (14) · IPC B64C11/00 (11) · IPC B64B1/58 (10) · IPC B64B1/40 (8) · IPC B64C3/00 (7) · IPC B64C3/48 (7) · IPC B64C3/52 (6) · IPC B64C3/14 (5) · IPC B64C11/16 (5)
CPCs:
CPC B64C17/00 (195) · None (130) · CPC B64C2700/6218 (84) · CPC B64C2700/6212 (45) · CPC B64C13/00 (29) · CPC B64B1/00 (27) · CPC B64C23/005 (22) · CPC B64C2700/6214 (19) · CPC B64C17/06 (19) · CPC B64C39/00 (18) · CPC B64C2700/6295 (18) · CPC B64C2700/6219 (17) · CPC B64C3/385 (16) · CPC B64C1/00 (16) · CPC B64C2700/6216 (15) · CPC B64C2700/6256 (15) · CPC B64C11/006 (11) · CPC B64C2700/6274 (10) · CPC B64C3/54 (10) · CPC B64B1/40 (10)
First filing:
Citations from after 1930:
Number of claims:
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