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 & First filing: Yes & Number of text pages: 1-2

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Tech fields:
LTA (107) · stability (92) · airplane (64) · frame (45) · automatic stability (41) · propulsion (40) · None (34) · design (28) · balloon (26) · navigation (24) · hybrid (22) · control (20) · flapping (20) · Airship (19) · wings (19) · propeller (16) · construction (16) · dirigible (15) · rudder (15) · aerodynamics (15)
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Supplementary to patent:
None (283) · Patent FR-1915-525800 (2)
Related to aircraft:
Patent agent:
None (63) · None (32) · Armengaud jeune (10) · Hippolyte Josse (8) · Munn & Co. (6) · Haseltine, Lake & Co. (6) · Boramé et Julien (5) · Charles Dony (5) · Herbert Haddan & Co. (5) · J. Bonnet-Thirion (5) · Victor J. Evans (5) · Lavoix et Mosès‎ (5) · Marks & Clerk (4) · Matray frères et Cie (4) · G. de Mestral et F. Harle (4) · E. Blétry (4) · Chassevent (4)
National tech categories:
FR 6.4 (165) · None (58) · FR 6.3 (13) · USPC 244/80 (10) · USPC 244/22 (7) · USPC 244/30 (6) · DE 77h.5 (6) · USPC 244/32 (5) · USPC 24/713.8 (4) · USPC 244/28 (4) · DE 77h.10 (4) · DE 77h.2 (4) · USPC 244/127 (4) · USPC 244/72 (3) · USPC 244/93 (3) · USPC 244/67 (3) · DE 77h (3)
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