Drilldown: Patents

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Patents > Assigned to: None & Number of text pages: 4-9 & Number of claims: 2-5

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Inventor location:
None (547) · England (10) · London (10) · Seine (8) · Yorkshire (6) · Budapest (5) · County of London (4) · Berlin (3) · Liverpool (3) · Leeds (3) · Nièvre (3) · Indiana (3)
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Supplementary to patent:
None (426) · Patent BE-1911-05-15 Georges de Bothezat (5) · Patent US-1909-970771 (3) · Patent IT-1910-10-17 Carlo Navaro (3)
Related to aircraft:
Patent agent:
None (117) · Marks & Clerk (33) · None (21) · Brandon frères (19) · Dupont et Elluin (18) · Haseltine, Lake & Co. (18) · L. Chassevent (14) · Armengaud jeune (14) · Boult, Wade & Tennant (14) · Brewer & Son (10) · Lavoix et Mosès (9) · Munn & Co. (9) · Herbert Haddan & Co. (8) · Wheatley & Mackenzie (7) · J. Bonnet-Thirion et Breton (7) · W. P. Thompson & Co. (7) · E. Blum & Co. (6)
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National tech categories:
None (307) · FR 6.4 (159) · HU V/h (21) · USPC 244/80 (8) · CH 129b (8) · CH 115 (5) · GB 4 propel & steer (5) · USPC 244/22 (5) · FR 6.2 (4) · USPC 244/6 (4) · DE 77h.5 (4) · USPC 244/30 (4) · FR 6.3 (4) · AT 77d (4)
IPCs:
None (232) · IPC B64C17/00 (63) · IPC B64C1/00 (57) · IPC B64C39/00 (52) · IPC B64B1/00 (22) · IPC B64C23/00 (22) · IPC B64C3/38 (19) · IPC B64C27/04 (14) · IPC B64C3/00 (12) · IPC B64C11/00 (11) · IPC B64C13/00 (10) · IPC B64C33/02 (10) · IPC B64C17/06 (10) · IPC B64C3/18 (8) · IPC B64D17/00 (8) · IPC B64C33/00 (7) · IPC B64B1/62 (5) · IPC B64B1/58 (5) · IPC B64C3/54 (5) · IPC B64C35/00 (5)
First filing:
Citations from after 1930:
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