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Patents > National tech categories : FR 6.4 or IT 8 & IPCs: IPC B64C17/00 & Number of diagram pages: 0-20

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Tech fields:
stability (225) · airplane (185) · automatic stability (116) · design (66) · Control (57) · aerodynamics (53) · wings (36) · equilibrium (33) · subsystem (29) · frame (28) · None (28) · Construction (20) · rudder (19) · lift (16) · pendulum (16) · Steering (14) · aileron (13) · aeroplane (12) · cables (12)
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None (199) · Patent FR-1908-396249 (4) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent IT-1910-10-17 Carlo Navaro (2) · Patent FR-1912-450608 (2) · Patent FR-1909-408872 (2) · Patent IT-1911-06-13 Guido Castagneris (2) · Patent DE-1910-04-04 August Wendtland (2) · Patent FR-1912-442419 (2)
Related to aircraft:
Patent agent:
None (50) · Armengaud jeune (24) · None (23) · E. Blètry (15) · Charles Dony (11) · Matray frères et Cie (9) · J. Bonnet-Thirion (9) · Lavoix et Mosès (8) · J. Germain (7) · L. Chassevent (7) · Hippolyte Josse (6) · J. Fayollet (6) · P. Follin (6) · C. Baumann (5) · Boramé et Julien (5) · Paul Coulomb (5)
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