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Patents > CPCs : CPC B64B1/50 or CPC B64C2700/6212 or CPC B64C2700/6218

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Tech fields:
Stability (229) · airplane (159) · None (122) · Automatic stability (106) · control (53) · design (42) · aerodynamics (34) · equilibrium (33) · subsystem (27) · wings (22) · frame (20) · pendulum (18) · steering (16) · construction (16) · lift (14) · propellers (13) · Rudder (13) · balance (11) · landing (9) · sustentation (9)
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Supplementary to patent:
None (288) · Patent FR-1908-396249 (5) · Patent DE-1911-11-16 Otto Albin Budig (3)
Related to aircraft:
Patent agent:
None (143) · None (19) · Armengaud jeune (12) · E. Blétry (11) · Matray freres et Cie (8) · J. Germain (7) · Herbert Haddan & Co. (6) · Hippolyte Josse (6) · Abel & Imray (6) · P. Follin (6) · C. Baumann (5) · J. Bonnet-Thirion (5) · J. Fayollet (5) · Lavoix et Moses (5) · Paul Coulomb (5) · Charles Dony (5) · Brandon frères (5)
CPCs: (Click arrow to add another value)
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