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Patents > CPCs : CPC B64B1/40 or CPC B64C17/00 & Number of claims: 1-4

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None (439) · Seine (9) · Loire (6) · Paris (5) · England (3) · Nièvre (3) · Meurthe-et-Moselle (3) · La Ricamarie (3) · Var (2) · Rhône (2) · Orne (2) · Ohio (2) · Nord (2) · Nancy (2) · Hérault (2) · Manche (2) · Beslon par Villedieu (2) · Bouches-du-Rhône (2)
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Tech fields:
stability (319) · airplane” (223) · automatic stability (137) · design (73) · control (66) · LTA (64) · None (55) · aerodynamics (48) · Frame (40) · equilibrium (38) · Subsystem (32) · Wings (32) · construction (26) · balloon (25) · pendulum (21) · rudder (21) · navigation (19) · balance (18) · lift (18) · safety (17)
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Supplementary to patent:
None (346) · Patent FR-1908-396249 (4) · Patent US-1908-935766 (3) · Patent FR-1910-415470 (3) · Patent FR-1909-399456 (3) · Patent NO-1915-12-15 Carl Alfred Johansson (3) · Patent FR-1911-446282 (3)
Related to aircraft:
Patent agent:
None (96) · None (43) · Armengaud jeune (21) · E. Blétry (12) · Lavoix et Mosès (12) · J. Bonnet-Thirion (10) · Schwab (9) · Matray frères et Cie (9) · J. Germain (8) · Munn & Co. (8) · Victor J. Evans (8) · Charles Dony (8) · P. Follin (7) · Hippolyte Josse (7) · Marks & Clerk (6) · Brandon frères (6) · J. Fayollet (6)
National tech categories:
FR 6.4 (314) · None (94) · USPC 244/80 (19) · DE 77h.5 (16) · USPC 244/127 (9) · USPC 244/32 (8) · USPC 244/93 (8) · DE 77 (6) · FR 6.3 (6) · USPC 244/31 (5) · USPC 244/33 (5) · DE 77h (4) · USPC 244/96 (4) · USPC 244/92 (3) · USPC 244/99 (3) · USPC 244/177 (2)
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