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Patents > Applicant firm: None & IPCs : IPC B64C13/00 or IPC B64C17/00 & Family year: 1900 - 1999

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Tech fields:
stability (368) · airplane (327) · automatic stability (164) · control (143) · Design (100) · aerodynamics (78) · None (74) · wings (63) · frame (60) · equilibrium (58) · Rudder (52) · subsystem (52) · steering (51) · construction (36) · Lift (34) · pendulum (30) · navigation (22) · balance (19) · propellers (19) · Sustentation (18)
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Supplementary to patent:
None (406) · Patent FR-1908-396249 (5) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent FR-1910-415470 (3) · Patent NO-1915-12-15 Carl Alfred Johansson (3) · Patent IT-1910-10-17 Carlo Navaro (3) · Patent FR-1912-442419 (3) · Patent GB-1909-8531 (3)
Related to aircraft:
Patent agent:
None (130) · None (35) · Armengaud jeune (34) · Marks & Clerk (20) · E. Blétry (17) · Charles Dony (12) · Weismann et Marx (11) · Haseltine, Lake & Co. (11) · P. Follin (10) · Abel & Imray (10) · Matray frères et Cie (10) · J. Germain (10) · J. Bonnet-Thirion (9) · Hippolyte Josse (8) · Lavoix et Mosès (8) · Brandon freres (7) · Herbert Haddan & Co. (7) · Boult, Wade & Tennant (7) · Schwab (7)
National tech categories:
FR 6.4 (393) · None (187) · DE 77h.5 (24) · USPC 244/80 (10) · USPC 244/233 (7) · USPC 244/234 (6) · FR 6.3 (4) · USPC 244/231 (4) · USPC 244/87 (3) · USPC 244/82 (3) · USPC 244/237 (3) · USPC 244/225 (3) · DE 62b.15 (3) · USPC 244/90R (2) · USPC 244/88 (2) · USPC 244/89 (2) · USPC 244/221 (2) · USPC 244/222 (2) · USPC 244/93 (2)
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CPCs:
CPC B64C17/00 (501) · CPC B64C2700/6218 (176) · CPC B64C13/00 (148) · CPC B64C2700/6212 (113) · CPC B64C2700/6256 (88) · CPC B64C2700/6214 (65) · CPC B64C2700/6219 (34) · CPC B64C2700/6215 (16) · CPC B64C2700/6259 (7) · CPC B64C2700/6211 (4) · CPC B64C1/00 (4) · CPC B64C3/48 (3) · CPC B64C2700/626 (2) · CPC H03B7/10 (2) · CPC B64C3/38 (2)
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