Drilldown: Patents

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Patents > Applicant firm: None & Grant date: 1912 & Citations from after 1930: None

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Inventor location:
None (724) · Seine (14) · Nord (8) · Paris (8) · Budapest (5) · London (3) · California (3) · Michigan (2) · Maine-et-Loire (2) · Cambrai (2) · New York (2) · Seine-et-Oise (2) · Basses-Alpes (2)
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Supplementary to patent:
None (556) · Patent BE-1910-12-31 Léon Dangy (3) · Patent FR-1910-435648 (3) · Patent FR-1910-424987 (3) · Patent FR-1909-403985 (3) · Patent GB-1909-12556 (3) · Patent GB-1911-5162 (3) · Patent IT-1910-10-17 Carlo Navaro (3) · Patent US-1909-970771 (3) · Patent BE-1911-04-14 Lucien-Constant-Joseph Harel (3) · Patent GB-1909-26034 (3)
Related to aircraft:
Patent agent:
None (369) · Armengaud jeune (33) · None (26) · L. Chassevent (17) · Marks & Clerk (15) · Haseltine, Lake & Co. (11) · J. Bonnet-Thirion (11) · Charles Dony (9) · Dupont et Elluin (9) · Boult, Wade & Tennant (8) · E. Blétry (7) · H. Bœttcher fils (7) · Victor J. Evans (6) · Schwab (6) · Wheatley & Mackenzie (6) · Brandon frères (5) · Dom. Casalonga (5) · J. Germain (5) · Hippolyte Josse (5)
National tech categories:
FR 6.4 (262) · None (195) · HU V/h (25) · FR 6.2 (15) · USPC 244/90R (14) · AT 77d (11) · RU Group V (9) · BE K (9) · USPC 244/22 (8) · USPC 244/234 (6) · DE 77h.5 (6) · USPC 244/48 (6) · USPC 244/87 (6) · USPC 244/6 (5) · USPC 244/35R (5) · USPC 244/93 (5) · USPC 244/76R (5) · USPC 244/65 (5) · USPC 244/231 (5)
IPCs:
None (383) · IPC B64C17/00 (60) · IPC B64C1/00 (53) · IPC B64C39/00 (47) · IPC B64C11/00 (18) · IPC B64C25/00 (15) · IPC B64D17/00 (15) · IPC B64C3/00 (14) · IPC B64C35/00 (12) · IPC B64B1/00 (11) · IPC B64C23/00 (11) · IPC B64C3/38 (11) · IPC B64C17/06 (10) · IPC B64C3/56 (9) · IPC B64C3/54 (8) · IPC B63H1/12 (7) · IPC B64C33/02 (6) · IPC B64D17/54 (6) · IPC B64B1/58 (6)
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