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Patents > CPCs : CPC B64C3/385 or CPC B64D17/52 (EP)

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Tech fields:
None (178) · airplane (67) · Stability (30) · frame (29) · navigation (18) · wings (18) · control (18) · design (14) · rudder (12) · airfoil (12) · wheels (12) · construction (11) · lift (8) · propulsion (8) · HTA (8) · aerodynamics (8) · Steering (7) · propeller (7) · biplane (6) · incidence (6)
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None (238) · Patent FR-1912-449167 (3) · Patent BE-1912-02-07-Gramaticesco (3) · Patent FR-1908-392672 (3) · Patent US-1912-1062545 (3) · Patent CA-1910-131159 (2) · Patent FR-1908-398707 (2) · Patent FR-1912-457441 (2) · Patent SE-1917-46288 (2) · Patent DE-1909-244106 (2) · Patent BE-1912-04-05 (2) · Patent US-1912-1077892 (2)
Related to aircraft:
Patent agent:
None (109) · Armengaud jeune (10) · None (10) · J. S. Withers & Spooner (6) · Munn & Co. (5) · E. Blétry (5) · Victor J. Evans (4) · Marks & Clerk (4) · J. Bonnet-Thirion (4) · Schwab (4) · Émile Bert (3) · Haseltine, Lake & Co. (3) · L. Chassevent (3) · Georges Faugé (3)
National tech categories:
None (119) · FR 6.4 (87) · USPC 244/48 (26) · DE 77h.5 (11) · USPC 244/99.11 (9) · USPC 244/38 (7) · USPC 244/90R (6) · USPC 244/119 (5) · USPC 244/234 (3) · USPC 244/47 (3) · USPC 244/65 (3) · USPC 244/88 (3)
CPCs: (Click arrow to add another value)
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