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Patents > CPCs : CPC B64C1/00 or CPC B64C13/00 & Citations from after 1930: None

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Tech fields:
None (205) · airplane (164) · control (99) · stability (85) · navigation (56) · frame (56) · Rudder (51) · Design (50) · steering (47) · wings (39) · aerodynamics (32) · construction (29) · subsystem (23) · Lift (20) · automatic stability (19) · aileron (16) · fuselage (16) · Equilibrium (15) · propellers (15)
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None (402) · Patent US-1909-970771 (3) · Patent US-1910-1055379 (3) · Patent GB-1913-3848 (2) · Patent US-1909-1008096 (2) · Patent GB-1911-04-28 Belton Tattnall Hamilton (2) · Patent CA-1910-132036 (2) · Patent FR-1912-451312 (2) · Patent DE-1918-388537 (2)
Related to aircraft:
Patent agent:
None (289) · Armengaud jeune (18) · Weismann et Marx (8) · Haseltine, Lake & Co. (8) · Dupont et Elluin (5) · Hippolyte Josse (5) · None (5) · Victor J. Evans (4) · Marks & Clerk (4) · Brierley & Howard (4) · Boult, Wade & Tennant (4) · G. Petiau (3) · J. Germain (3) · L. Chassevent (3) · Brierley & Appleyard (3) · Brewer & Son (3) · Brandon frères (3) · Noyes & Harriman (3) · Paul Blum (3) · Abel & Imray (3)
National tech categories:
None (188) · FR 6.4 (108) · USPC 244/90R (26) · USPC 244/233 (26) · DE 77h.5 (24) · USPC 244/78.1 (15) · USPC 244/87 (12) · USPC 244/82 (7) · USPC 244/225 (7) · USPC 244/231 (6) · USPC 244/88 (6) · USPC 244/234 (6) · USPC 244/232 (5) · USPC 244/119 (5) · USPC 244/237 (5) · USPC 244/100R (5) · USPC 244/80 (4)
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