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Patents > CPCs : CPC B64C2700/6218 or CPC B64C39/005 or CPC F42B10/30

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Tech fields:
Stability (166) · airplane (143) · None (129) · automatic stability (70) · propulsion (52) · Design (52) · frame (42) · projectile (38) · military (38) · aerodynamics (35) · control (32) · navigation (30) · wings (28) · equilibrium (25) · LTA (21) · construction (20) · propeller (19) · rudder (18) · lift (17) · landing (17)
Full specification filed date:
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Supplementary to patent:
None (347) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent NZ-1909-25865 (2) · Patent GB-1911-12188 (2) · Patent FR-1912-450608 (2) · Patent DE-1910-04-04 August Wendtland (2) · Patent FR-1914-475066 (2) · Patent HU-1913-Pédery-Varsányi-Zoltán (2) · Patent IT-1909-09-10-Romagnoli (2) · Patent FR-1902-326476 (2) · Patent CA-1909-126457 (2) · Patent FR-1909-408872 (2) · Patent FR-1910-423998 (2) · Patent BE-1912-08-13-Panian (2) · Patent GB-1909-8531 (2) · Patent FR-1910-435648 (2) · Patent US-1913-1203221 (2) · Patent US-1916-1208684 (2)
Related to aircraft:
Patent agent:
None (166) · None (18) · Munn & Co. (15) · Armengaud jeune (12) · E. Blétry (7) · Marks & Clerk (6) · H. D. Fitzpatrick & Co. (5) · Brandon frères (5) · J. Fayollet (5) · Boult, Wade & Tennant (5) · Charles Dony (4) · J. Bonnet-Thirion et Breton (4) · J. Bonnet-Thirion (4) · Herbert Haddan & Co. (4) · P. Follin (4)
National tech categories:
None (178) · FR 6.4 (148) · USPC 244/3.23 (37) · USPC 244/20 (21) · USPC 244/70 (17) · USPC 244/9 (13) · FR 6.3 (7) · USPC 244/19 (5) · DE 77h.5 (4) · USPC 244/39 (4) · USPC 244/119 (3) · USPC 244/64 (2) · USPC 244/218 (2) · USPC 102/400 (2) · USPC 416/113 (2) · USPC 416/112 (2) · USPC 244/48 (2)
CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
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