Drilldown: Patents

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Patents > Filing date: 1912 & National tech categories : FR 6.4 or None

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Inventor location:
None (664) · Seine (14) · Nord (9) · Paris (8) · Rhône (4) · Springfield, Massachusetts (3) · Hautes-Pyrénées (3) · Massachusetts (3) · Hampden County, Massachusetts (3) · Bouches-du-Rhône (3) · London (2) · Cambrai (2) · New York (2) · Seine-et-Oise (2) · Cateau (2)
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Supplementary to patent:
None (510) · Patent GB-1911-29012 (4) · Patent AU-1911-510 (4) · Patent US-1911-1032812 (3)
Related to aircraft:
Patent agent:
None (269) · None (35) · Armengaud jeune (33) · Marks & Clerk (22) · Dupont et Elluin (17) · Charles Dony (11) · Hippolyte Josse (11) · J. Bonnet-Thirion (10) · H. Boettcher fils (9) · Haseltine, Lake & Co. (9) · E. Blétry (8) · Brandon frères (8) · L. Chassevent (8) · Boult, Wade & Tennant (8) · Société A. Frey et de Carsalade (7) · Schwab (7) · W. P. Thompson & Co. (6) · Boult, Wade, and Tennant (6) · Émile Bert‎ (6)
National tech categories: (Click arrow to add another value)
IPCs:
None (236) · IPC B64C17/00 (86) · IPC B64C1/00 (63) · IPC B64C39/00 (47) · IPC B64C35/00 (24) · IPC B64B1/00 (21) · IPC B64C3/00 (20) · IPC B64C3/38 (20) · IPC B64C11/00 (18) · IPC B64C25/00 (16) · IPC B64C23/00 (16) · IPC B64D17/00 (12) · IPC B64B1/58 (12) · IPC B64C3/56 (10) · IPC B64C3/54 (8) · IPC B64C27/04 (8) · IPC B64C13/00 (8) · IPC B64C33/02 (8) · IPC B64D1/04 (6)
First filing:
Citations from after 1930:
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