Drilldown: Patents

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Patents > CPCs : CPC A01D9/00 or CPC B64C2700/6295 or CPC B64C33/00

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None (667) · Seine (6) · Seine-et-Oise (4) · London (4) · Loir-et-Cher (4) · Paris (3) · Pennsylvania (3) · Eure (3) · Vaucluse (2) · Chicago (2) · St. Louis (2) · New York county (2) · New York city (2) · County of London (2) · New York state (2) · Loire (2)
Applicant is inventor:
Tech fields:
None (352) · airplane (160) · frame (98) · design (88) · stability (72) · wings (60) · construction (47) · propulsion (47) · flapping (41) · rudder (37) · aerodynamics (37) · navigation (34) · ornithopter (34) · whole (32) · Lift (31) · wheels (29) · propeller (26) · control (25) · propellers (25) · hybrid (23)
Full specification filed date:
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Supplementary to patent:
None (601) · Patent FR-1916-502839 (3) · Patent AT-1912-75092 (3) · Patent US-1911-994106 (2) · Patent FR-1913-461629 (2) · Patent FR-1910-421136 (2) · Patent FR-1909-421311 (2) · Patent FR-1917-502839.21604 (2) · Patent GB-1913-4191 (2) · Patent DE-1912-265515 (2) · Patent NZ-1909-26981 (2) · Patent FR-1912-441089 (2)
Related to aircraft:
Patent agent:
None (354) · None (22) · Armengaud jeune (12) · Weismann et Marx (10) · Marks & Clerk (10) · Munn & Co. (9) · Victor J. Evans (7) · Brandon frères (7) · Boult, Wade & Tennant (7) · G. Petiau (6) · J. Bonnet-Thirion (6) · J. Germain (6) · Lavoix et Mosès (6) · Chassevent (5) · E. Blétry (5) · Boramé et Julien (5) · L. Chassevent (5) · W. P. Thompson & Co. (5)
National tech categories:
None (338) · FR 6.4 (200) · USPC 244/45R (44) · USPC 244/13 (28) · USPC 244/11 (17) · USPC 244/87 (9) · USPC 244/90R (7) · USPC 244/91 (7) · FR 6.3 (5) · USPC 244/22 (5) · USPC 244/233 (5) · USPC 244/119 (5) · USPC 244/48 (4) · DE 77h.5 (4) · DE 77 (4) · USPC 244/100R (4) · USPC 244/64 (4) · USPC 244/113 (4)
CPCs: (Click arrow to add another value)
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Citations from after 1930:

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