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Patents > CPCs : CPC B64C13/00 or CPC B64C2700/6245 or CPC B64C3/385

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Tech fields:
None (430) · airplane (191) · control (115) · stability (97) · navigation (74) · frame (73) · rudder (59) · wings (52) · steering (48) · design (39) · lift (29) · construction (27) · aerodynamics (26) · airfoil (22) · automatic stability (21) · wheels (20) · HTA (20) · Propellers (18) · subsystem (18) · propulsion (15)
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Supplementary to patent:
None (666) · Patent FR-1908-392672 (7) · Patent US-1912-1062545 (3) · Patent FR-1912-449167 (3) · Patent US-1909-970771 (3) · Patent BE-1912-02-07-Gramaticesco (3) · Patent US-1910-1055379 (3)
Related to aircraft:
Patent agent:
None (352) · Armengaud jeune (26) · Munn & Co. (19) · None (16) · Marks & Clerk (15) · Brewer & Son (11) · Haseltine, Lake & Co. (10) · E. Blétry (9) · Weismann et Marx (8) · J. S. Withers & Spooner (7) · Victor J. Evans (7) · Abel & Imray (6) · Boult, Wade & Tennant (6) · L. Chassevent (5) · Schwab (5)
National tech categories:
None (310) · FR 6.4 (181) · USPC 244/90R (39) · USPC 244/233 (36) · DE 77h.5 (34) · USPC 244/48 (29) · USPC 244/78.1 (17) · USPC 244/87 (15) · USPC 244/82 (13) · USPC 244/234 (12) · USPC 244/88 (11) · USPC 244/231 (11) · USPC 244/119 (10) · USPC 244/225 (10) · USPC 244/99.11 (9) · USPC 244/237 (9) · USPC 244/80 (8) · USPC 244/38 (7) · USPC 244/100R (7)
CPCs: (Click arrow to add another value)
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