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Patents > Applicant firm: None & IPCs : IPC B64C13/00 or IPC B64C17/00

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Tech fields:
stability (362) · airplane (306) · automatic stability (157) · control (140) · design (99) · aerodynamics (76) · None (73) · Frame (61) · wings (60) · equilibrium (59) · subsystem (52) · steering (51) · rudder (48) · construction (37) · Lift (33) · pendulum (28) · navigation (23) · propellers (20) · sustentation (18) · balance (18)
Full specification filed date:
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Supplementary to patent:
None (400) · Patent FR-1908-396249 (5) · Patent FR-1910-415470 (3) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent IT-1910-10-17 Carlo Navaro (3) · Patent GB-1909-8531 (3) · Patent NO-1915-12-15 Carl Alfred Johansson (3) · Patent FR-1912-442419 (3)
Related to aircraft:
Patent agent:
None (133) · Armengaud jeune (33) · None (30) · Marks & Clerk (18) · E. Blétry (17) · Charles Dony (12) · Weismann et Marx (11) · Haseltine, Lake & Co. (11) · Matray frères et Cie (10) · J. Bonnet-Thirion (10) · J. Germain (9) · Abel & Imray (9) · P. Follin (8) · Lavoix et Mosès (8) · Boult, Wade & Tennant (7) · Herbert Haddan & Co. (7) · Hippolyte Josse (7)
National tech categories:
FR 6.4 (377) · None (186) · DE 77h.5 (20) · USPC 244/80 (11) · USPC 244/233 (8) · USPC 244/234 (6) · USPC 244/231 (4) · USPC 244/237 (4) · FR 6.3 (4) · USPC 244/87 (4) · USPC 244/89 (3) · USPC 244/93 (3) · DE 62b.15 (3) · USPC 244/225 (3) · USPC 244/90R (2) · USPC 244/222 (2) · USPC 244/88 (2) · USPC 244/82 (2) · USPC 244/221 (2)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C17/00 (489) · CPC B64C2700/6218 (183) · CPC B64C13/00 (143) · CPC B64C2700/6212 (108) · CPC B64C2700/6256 (87) · CPC B64C2700/6214 (65) · CPC B64C2700/6219 (37) · CPC B64C2700/6215 (16) · CPC B64C2700/6259 (7) · CPC B64C2700/6211 (6) · CPC B64C1/00 (4) · CPC B64C3/48 (3) · CPC H03B7/10 (2) · CPC B64C3/38 (2) · CPC B64C2700/626 (2)
First filing:
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