Drilldown: Patents

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Patents > Assigned to: None & CPCs : CPC B64C11/006 or CPC B64C39/005

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Tech fields:
None (290) · propulsion (129) · propeller (51) · propellers (48) · airplane (42) · navigation (33) · LTA (30) · frame (29) · marine (28) · Design (24) · flapping (18) · wings (18) · paddle-wheel (17) · helicopter (17) · stability (15) · sustentation (14) · aerodynamics (14) · Subsystem (13) · hybrid (12) · lift (12)
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Supplementary to patent:
None (519) · Patent GB-1911-12232 (2) · Patent FR-1902-326476 (2) · Patent FR-1909-410848 (2) · Patent GB-1911-12188 (2) · Patent DE-1912-267069 (2) · Patent US-1916-1208684 (2) · Patent CA-1909-126457 (2) · Patent AU-1909-16369 (2)
Related to aircraft:
Patent agent:
None (351) · Munn & Co. (15) · Armengaud jeune (13) · None (13) · E. Blétry (6) · Marks & Clerk (5) · J. Bonnet-Thirion (5) · Boult, Wade & Tennant (4) · Y. Rabilloud et fils (4) · C. A. Snow & Co. (3) · G. de Mestral et F. Harlé (3) · Lloyd Wise & Co. (3) · Sigmund Herzog (3) · Borame et Julien (3) · L. Chassevent (3) · Victor J. Evans (3) · H. D. Fitzpatrick & Co. (3)
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National tech categories:
None (356) · FR 6.4 (83) · USPC 244/20 (20) · USPC 244/70 (16) · USPC 416/113 (14) · USPC 244/9 (13) · FR 6.2 (13) · USPC 416/108 (10) · FR 6.3 (9) · USPC 416/116 (7) · USPC 244/71 (6) · USPC 244/19 (5) · DE 77h.6 (5) · USPC 244/39 (4) · USPC 244/64 (3) · FR 5.8 (3)
CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
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