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Patents > Grant date: 1900 - 1999 & CPCs : CPC B64B1/00 or CPC B64C13/00 or CPC B64C17/00 or CPC B64C3/385 & Number of text pages: 1-2

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Tech fields:
stability (198) · Airplane (197) · LTA (161) · frame (84) · automatic stability (82) · control (80) · Design (77) · navigation (56) · aerodynamics (53) · None (49) · wings (49) · construction (43) · rudder (41) · propulsion (40) · balloon (37) · Equilibrium (31) · Subsystem (31) · hybrid (29) · steering (29) · dirigible (28)
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Supplementary to patent:
None (374) · Patent FR-1908-392672 (4) · Patent FR-1909-399456 (3) · Patent FR-1912-449167 (3) · Patent FR-1911-446282 (3)
Related to aircraft:
Patent agent:
None (114) · None (35) · Armengaud jeune (33) · Charles Dony (11) · E. Blétry (11) · Haseltine, Lake & Co. (10) · Lavoix et Mosès (10) · Hippolyte Josse (10) · Chassevent (8) · J. Bonnet-Thirion (8) · Marks & Clerk (7) · G. de Mestral et F. Harlé (7) · Abel & Imray (7) · C. Baumann (6)
National tech categories:
FR 6.4 (294) · None (108) · FR 6.3 (37) · DE 77h.5 (17) · USPC 244/80 (11) · USPC 244/30 (8) · USPC 244/233 (8) · USPC 244/88 (5) · USPC 24/713.8 (4) · DE 77h.2 (4) · USPC 244/93 (4) · USPC 244/28 (4) · USPC 244/48 (4) · USPC 244/90R (3) · USPC 244/234 (3) · USPC 244/67 (3)
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