Drilldown: Patents

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Patents > Year filed: 1912 & Supplementary to patent: None

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Year filed:
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Applicant firm:
None (835) · Société anonyme des appareils d'aviation Hanriot (6) · Aéroplanes Morane-Saulnier (3) · Ateliers d'aviation Louis Bréguet (3) · British and Colonial Aeroplane Co. (3) · Tarbox Safety Aircraft Company (2) · Connecticut Aircraft Company (2) · Siemens-Schuckert-Werke G.m.b.H. (2) · Société anonyme Astra AB (2)
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Related to aircraft:
Patent agent:
None (506) · Armengaud jeune (25) · None (20) · Charles Dony (12) · Marks & Clerk (11) · Victor J. Evans (11) · H. Boettcher fils (10) · Hippolyte Josse (10) · Dupont et Elluin (8) · Brandon frères (7) · J. Bonnet-Thirion (7) · Schwab (6) · Société A. Frey et de Carsalade (5) · E. Blétry (5) · Dom. Casalonga (5) · G. H. Strong (5) · L. Chassevent (5)
National tech categories:
None (326) · FR 6.4 (247) · HU V/h (21) · BE K (17) · AT 77d (16) · USPC 244/80 (13) · USPC 244/233 (11) · USPC 244/45R (10) · USPC 244/48 (9) · CH 129b (7) · USPC 244/87 (6) · USPC 244/35R (6) · USPC 244/104R (6) · USPC 244/100R (6) · USPC 244/119 (6) · FR 6.2 (6)
IPCs:
None (509) · IPC B64C17/00 (49) · IPC B64C39/00 (45) · IPC B64C1/00 (32) · IPC B64B1/00 (20) · IPC B64C35/00 (18) · IPC B64C11/00 (17) · IPC B64C3/00 (17) · IPC B64C3/38 (13) · IPC B64B1/58 (10) · IPC B64C3/56 (9) · IPC B64D17/00 (8) · IPC B64C25/00 (7) · IPC B64C3/54 (6) · IPC B64C13/00 (6) · IPC B64C23/00 (5) · IPC B64C33/00 (5) · IPC CPC B64C13/00 (5)
First filing:
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