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Patents > National tech categories: FR 6.4 & CPCs : CPC B63H1/12 or CPC B64C17/00

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Tech fields:
stability (274) · airplane (215) · automatic stability (139) · design (67) · control (62) · aerodynamics (57) · equilibrium (38) · wings (37) · None (36) · subsystem (33) · Frame (27) · rudder (22) · Construction (21) · pendulum (18) · lift (18) · aileron (15) · steering (14) · sustentation (14) · cables (12)
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Supplementary to patent:
None (245) · Patent FR-1908-396249 (4) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent FR-1912-450608 (2) · Patent FR-1910-421257 (2) · Patent FR-1909-408872 (2) · Patent IT-1911-06-13 Guido Castagneris (2) · Patent FR-1910-423998 (2) · Patent IT-1910-10-17 Carlo Navaro (2) · Patent FR-1912-442419 (2) · Patent DE-1910-04-04 August Wendtland (2)
Related to aircraft:
Patent agent:
None (57) · None (39) · Armengaud jeune (26) · E. Blétry (14) · Charles Dony (11) · Lavoix et Mosès (10) · J. Bonnet-Thirion (10) · Matray frères et Cie (9) · Schwab (8) · J. Germain (8) · P. Follin (8) · Paul Coulomb (8) · L. Chassevent (7) · Société A. Frey et de Carsalade (6) · J. Fayollet (6) · Boramé et Julien (6) · Hippolyte Josse (6) · H. Boettcher fils (6)
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CPCs: (Click arrow to add another value)
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