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Patents > National tech categories : FR 6.4 or IT 8 & IPCs : IPC B64C17/00 or IPC B64C3/38

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Tech fields:
stability (243) · airplane (229) · automatic stability (124) · Design (87) · control (69) · aerodynamics (67) · wings (56) · None (43) · frame (38) · Equilibrium (37) · Subsystem (35) · Construction (28) · lift (27) · Rudder (21) · Sustentation (20) · pendulum (17) · steering (16) · aeroplane (15) · wing warping (15) · fuselage (15)
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Supplementary to patent:
None (249) · Patent FR-1908-396249 (4) · Patent FR-1908-392672 (3) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent DE-1910-04-04 August Wendtland (2) · Patent IT-1911-06-13 Guido Castagneris (2) · Patent IT-1910-10-17 Carlo Navaro (2) · Patent FR-1912-457441 (2) · Patent FR-1912-450608 (2) · Patent FR-1912-442419 (2) · Patent FR-1911-431131 (2) · Patent FR-1910-423998 (2) · Patent FR-1910-423667 (2) · Patent FR-1909-408872 (2) · Patent FR-1907-392684 (2) · Patent FR-1911-431428 (2)
Related to aircraft:
Patent agent:
None (69) · Armengaud jeune (33) · None (26) · E. Blétry (17) · Charles Dony (13) · J. Bonnet-Thirion (12) · L. Chassevent (10) · Lavoix et Mosès (9) · Matray frères et Cie (9) · Schwab (8) · Hippolyte Josse (8) · J. Germain (8) · P. Follin (7) · C. Baumann (6) · J. Fayollet (6) · Paul Coulomb (6) · Boramé et Julien (5) · Weismann et Marx (5) · G. Petiau (5) · Y. Rabilloud et fils (5)
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