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Patents > CPCs : CPC B64C2700/6218 or CPC B64C3/385 or CPC B64D17/80

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Tech fields:
None (228) · Airplane (206) · stability (189) · automatic stability (79) · design (62) · frame (54) · Control (53) · wings (44) · aerodynamics (43) · Construction (28) · equilibrium (28) · lift (26) · navigation (25) · rudder (22) · subsystem (21) · airfoil (18) · sustentation (17) · wheels (16) · landing (16) · propellers (14)
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Supplementary to patent:
None (410) · Patent FR-1912-449167 (3) · Patent FR-1908-392672 (3) · Patent BE-1912-08-13-Panian (3) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent US-1912-1062545 (3) · Patent BE-1912-02-07-Gramaticesco (3)
Related to aircraft:
Patent agent:
None (216) · None (21) · Armengaud jeune (19) · E. Blétry (9) · J. Bonnet-Thirion (8) · Marks & Clerk (7) · Schwab (6) · Charles Dony (6) · Herbert Haddan & Co. (6) · J. S. Withers & Spooner (6) · Dom. Casalonga (5) · Brandon freres (5) · Haseltine, Lake & Co. (5) · J. Fayollet (5) · Munn & Co. (5)
National tech categories:
None (243) · FR 6.4 (209) · USPC 244/48 (26) · DE 77h.5 (15) · USPC 244/99.11 (9) · USPC 244/38 (7) · USPC 244/90R (6) · USPC 244/147 (6) · USPC 244/119 (5) · USPC 244/65 (3) · USPC 244/139 (3) · USPC 244/88 (3) · USPC 244/234 (3) · USPC 244/47 (3)
CPCs: (Click arrow to add another value)
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