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Patents > Granted: Yes & CPCs : CPC B64C1/065 or CPC B64C17/00

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Tech fields:
None (379) · Stability (313) · Airplane (207) · automatic stability (103) · frame (58) · control (53) · equilibrium (44) · design (43) · subsystem (38) · aerodynamics (32) · construction (32) · rudder (26) · wings (26) · pendulum (25) · balance (22) · navigation (20) · Lift (19) · steering (17) · Whole (14) · fuselage (14)
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Supplementary to patent:
None (597) · Patent FR-1908-396249 (5) · Patent GB-1909-8531 (4) · Patent US-1908-1077750 (4) · Patent US-1908-1081147 (3) · Patent FR-1909-399456 (3) · Patent FR-1910-415470 (3) · Patent FR-1911-446282 (3) · Patent IT-1910-10-17 Carlo Navaro (3) · Patent NO-1915-12-15 Carl Alfred Johansson (3) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent US-1908-935766 (3) · Patent US-1908-989022 (3)
Related to aircraft:
Patent agent:
None (271) · None (43) · Armengaud jeune (28) · E. Blétry (16) · Victor J. Evans (14) · Marks & Clerk (14) · J. Bonnet-Thirion (11) · Charles Dony (11) · Abel & Imray‎ (10) · Matray freres et Cie (10) · Lavoix et Mosès (10) · Schwab (9) · Munn & Co. (9) · Haseltine, Lake & Co. (9) · J. Germain (8) · Paul Coulomb (8) · P. Follin (8) · Herbert Haddan & Co. (8) · L. Chassevent (7) · Hippolyte Josse (7)
National tech categories:
FR 6.4 (374) · None (290) · USPC 244/80 (60) · USPC 244/93 (20) · DE 77h.5 (20) · USPC 244/177 (13) · USPC 244/92 (8) · USPC 244/90R (6) · FR 6.3 (3) · USPC 244/139 (3) · USPC 244/87 (2) · USPC 244/113 (2) · USPC 244/233 (2) · USPC 244/91 (2) · USPC 244/100R (2) · USPC 244/82 (2)
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