Drilldown: Patents

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Patents > Grant date: 1900 - 1999 & CPCs : CPC B64B1/00 or CPC B64B1/40 or CPC B64C17/00 or CPC B64C2700/6274 or CPC B64C33/02 & Number of text pages: 1-2

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Tech fields:
LTA (194) · stability (169) · airplane (145) · frame (82) · automatic stability (75) · Propulsion (70) · design (69) · balloon (47) · None (45) · Hybrid (45) · wings (44) · construction (43) · navigation (43) · control (42) · aerodynamics (38) · flapping (35) · airship (34) · propellers (30)
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Supplementary to patent:
None (354) · Patent FR-1909-399456 (3) · Patent FR-1911-446282 (3) · Patent FR-1912-446040 (3)
Related to aircraft:
Patent agent:
None (112) · None (41) · Armengaud jeune (25) · Hippolyte Josse (12) · Lavoix et Mosès (11) · Charles Dony (10) · C. Blétry (9) · J. Bonnet-Thirion (9) · Chassevent (8) · J. Germain (8) · Boramé et Julien (7) · Haseltine, Lake & Co. (7) · G. de Mestral et F. Harlé (7) · E. Blétry (7) · Munn & Co. (6) · J. Fayollet (6) · C. Baumann (6) · Herbert Haddan & Co. (6)
National tech categories:
FR 6.4 (316) · None (82) · FR 6.3 (44) · USPC 244/80 (11) · USPC 244/30 (8) · USPC 244/22 (8) · DE 77h (8) · USPC 244/127 (7) · DE 77h.10 (6) · DE 77h.5 (6) · USPC 244/32 (5) · USPC 244/28 (4) · USPC 244/93 (4) · USPC 24/713.8 (4) · DE 77h.2 (4) · USPC 244/72 (3) · USPC 244/96 (3) · FR 6.2 (3) · USPC 244/67 (3)
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