Drilldown: Patents

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Patents > Related to aircraft: 1 & CPCs : CPC B63H1/12 or CPC B64C17/00

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None (403) · Seine (6) · England (3) · Meurthe-et-Moselle (3) · Michigan (3) · New York (3) · California (3) · Ohio (3) · Paris (3) · Bexar county (3) · San Antonio (3) · TX (3) · New York City (2) · Rhône (2) · New Jersey (2) · Nancy (2) · Loire (2) · Maine-et-Loire (2) · Baltimore (2) · Bouches-du-Rhône (2)
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Tech fields:
stability (242) · airplane (141) · None (129) · automatic stability (61) · control (36) · frame (22) · Equilibrium (21) · balance (21) · design (19) · rudder (17) · Subsystem (14) · safety (14) · pendulum (14) · steering (13) · propeller (12) · navigation (10) · wings (10) · aerodynamics (10) · propulsion (9)
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Supplementary to patent:
None (376) · Patent FR-1908-396249 (5) · Patent US-1911-1030764 (2) · Patent FR-1910-415470 (2) · Patent IT-1909-09-10-Romagnoli (2) · Patent NZ-1909-25865 (2) · Patent DE-1910-243485 (2) · Patent CH-1911-55140 (2) · Patent US-1908-989022 (2) · Patent BE-1912-08-13-Panian (2) · Patent BE-1912-03-16-Toussaint-Lepere (2) · Patent US-1908-935766 (2) · Patent US-1915-1149680 (2) · Patent US-1914-1169695 (2) · Patent US-1913-1203221 (2) · Patent US-1917-1257212 (2)
Related to aircraft: (Click arrow to add another value)
Patent agent:
None (96) · None (37) · Victor J. Evans (17) · Munn & Co. (12) · Matray frères et Cie (9) · E. Blétry (8) · Marks & Clerk (8) · J. Bonnet-Thirion (7) · Schwab (7) · Paul Coulomb (6) · H. Boettcher fils (6) · Lavoix et Mosès (6) · Brandon frères (5) · Armengaud jeune (5) · G. Petiau (5) · Haseltine, Lake & Co. (5)
CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
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