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Patents > CPCs : CPC B64C2700/6212 or CPC B64C3/385 or CPC B64C39/005

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Tech fields:
None (255) · airplane (158) · stability (130) · Frame (63) · propulsion (58) · control (53) · navigation (51) · automatic stability (44) · design (36) · wings (34) · propeller (27) · LTA (24) · rudder (23) · subsystem (21) · aerodynamics (21) · lift (21) · steering (20) · airfoil (20) · hybrid (18) · wheels (18)
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Supplementary to patent:
None (492) · Patent FR-1908-396249 (5) · Patent FR-1908-392672 (3) · Patent FR-1912-449167 (3) · Patent US-1912-1062545 (3) · Patent BE-1912-02-07-Gramaticesco (3) · Patent US-1916-1208684 (3)
Related to aircraft:
Patent agent:
None (229) · None (21) · Armengaud jeune (16) · Munn & Co. (15) · E. Blétry (13) · Marks & Clerk (8) · Matray frères et Cie (8) · J. Germain (8) · L. Chassevent (6) · Schwab (6) · Hippolyte Josse (6) · Herbert Haddan & Co. (5) · J. Bonnet-Thirion (5) · Haseltine, Lake & Co. (5) · J. S. Withers & Spooner (5) · Victor J. Evans (5) · Émile Bert (4) · C. A. Snow & Co. (4)
National tech categories:
None (239) · FR 6.4 (190) · USPC 244/48 (28) · USPC 244/20 (21) · USPC 244/70 (17) · DE 77h.5 (15) · USPC 244/9 (13) · USPC 244/99.11 (9) · USPC 244/119 (8) · USPC 244/90R (7) · FR 6.3 (7) · USPC 244/38 (7) · USPC 244/19 (5) · USPC 244/39 (4) · USPC 244/87 (3) · USPC 244/234 (3) · USPC 244/47 (3) · USPC 244/64 (3) · USPC 244/65 (3) · USPC 244/88 (3)
CPCs: (Click arrow to add another value)
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