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 or CPC B64C39/00 & First filing: Yes & Number of text pages: 1-2

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Tech fields:
LTA (108) · stability (102) · airplane (97) · Frame (56) · None (51) · design (51) · propulsion (48) · automatic stability (42) · wings (30) · aerodynamics (27) · Control (27) · balloon (27) · navigation (25) · hybrid (23) · Construction (22) · flapping (20) · Airship (20) · rudder (18) · propeller (16)
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Supplementary to patent:
None (354) · Patent FR-1915-525800 (2)
Related to aircraft:
Patent agent:
None (80) · None (38) · Armengaud jeune (13) · Hippolyte Josse (9) · J. Bonnet-Thirion (7) · Haseltine, Lake & Co. (7) · Charles Dony (7) · Munn & Co. (6) · Herbert Haddan & Co. (6) · E. Blétry (6) · Chassevent (6) · Boramé et Julien (6) · Victor J. Evans (5) · Marks & Clerk (5) · Lavoix et Mosès (5) · C. Blétry (5) · Y. Rabilloud et fils (5)
National tech categories:
FR 6.4 (219) · None (77) · FR 6.3 (13) · USPC 244/80 (10) · DE 77h.5 (7) · USPC 244/22 (7) · USPC 244/30 (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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