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Patents > Applicant firm: None & IPCs : IPC B64B1/40 or IPC B64C13/00 or IPC B64C17/00

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Tech fields:
stability (391) · airplane (335) · automatic stability (167) · control (150) · design (107) · Aerodynamics (81) · None (75) · LTA (68) · Frame (68) · Wings (63) · Equilibrium (60) · rudder (57) · Steering (54) · Subsystem (53) · construction (41) · navigation (35) · lift (35) · pendulum (30) · propellers (22) · cables (21)
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Supplementary to patent:
None (464) · Patent FR-1908-396249 (5) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent GB-1909-8531‎ (3) · Patent FR-1910-415470 (3) · Patent IT-1910-10-17 Carlo Navaro (3) · Patent FR-1912-442419 (3) · Patent NO-1915-12-15 Carl Alfred Johansson (3)
Related to aircraft:
Patent agent:
None (164) · Armengaud jeune (39) · None (36) · Marks & Clerk (23) · E. Blétry (18) · Charles Dony (13) · Haseltine, Lake & Co. (12) · Lavoix et Mosès (11) · Weismann et Marx (11) · J. Bonnet-Thirion (11) · J. Germain (10) · Abel & Imray (10) · Matray frères et Cie (10) · P. Follin (10) · Hippolyte Josse (9) · Schwab (8) · Boult, Wade & Tennant (7) · Brandon freres (7) · Herbert Haddan & Co. (7) · H. Boettcher fils (7)
National tech categories:
FR 6.4 (421) · None (203) · DE 77h.5 (24) · FR 6.3 (11) · USPC 244/80 (10) · USPC 244/233 (7) · USPC 244/127 (6) · DE 77 (6) · USPC 244/234 (6) · DE 77h (4) · USPC 244/231 (4) · USPC 244/96 (3) · USPC 244/93 (3) · USPC 244/87 (3) · USPC 244/82 (3) · USPC 244/33 (3) · USPC 244/237 (3) · USPC 244/225 (3) · DE 62b.15 (3)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C17/00 (510) · CPC B64C2700/6218 (178) · CPC B64C13/00 (148) · CPC B64C2700/6212 (115) · CPC B64C2700/6256 (88) · CPC B64C2700/6214 (65) · CPC B64B1/40 (61) · CPC B64C2700/6219 (34) · CPC B64C2700/6215 (16) · CPC B64C2700/6259 (7) · CPC B64C2700/6211 (4) · None (4) · CPC B64C1/00 (4) · CPC B64C3/48 (3) · CPC B64C3/38 (2) · CPC B64B1/40 (EP) (2) · CPC H03B7/10 (2) · CPC B64C2700/626 (2)
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