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Patents > IPCs : IPC B64B1/62 or IPC B64C17/00 or IPC B64C3/38

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Tech fields:
stability (367) · airplane (329) · automatic stability (163) · design (112) · control (101) · None (86) · aerodynamics (77) · wings (75) · frame (72) · LTA (69) · equilibrium (58) · Subsystem (53) · construction (47) · lift (40) · navigation (38) · pendulum (29) · rudder (29) · Steering (23)
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Supplementary to patent:
None (435) · Patent FR-1908-396249 (5) · Patent IT-1910-10-17 Carlo Navaro (3) · Patent FR-1908-393976 (3) · Patent FR-1908-392672 (3) · Patent FR-1910-415470 (3) · Patent FR-1913-456298 (3) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent GB-1909-8531‎ (3) · Patent NO-1915-12-15 Carl Alfred Johansson (3) · Patent FR-1912-449167 (3) · Patent FR-1912-442419 (3)
Related to aircraft:
Patent agent:
None (158) · None (35) · Armengaud jeune (34) · E. Blétry (17) · Marks & Clerk (16) · J. Bonnet-Thirion (16) · Lavoix et Mosès (15) · Charles Dony (13) · Haseltine, Lake & Co. (12) · Schwab (11) · Matray frères et Cie (10) · L. Chassevent (10) · Hippolyte Josse (9) · Herbert Haddan & Co. (8) · Abel & Imray‎ (8) · J. Germain (8) · P. Follin (7) · Brandon frères (7)
National tech categories:
FR 6.4 (429) · None (209) · DE 77h.5 (13) · USPC 244/80 (12) · USPC 244/97 (9) · USPC 244/48 (8) · DE 77h.3 (4) · USPC 244/90R (4) · DE 77 (3) · USPC 244/93 (3) · FR 6.3 (3) · USPC 244/177 (2) · USPC 244/128 (2) · USPC 244/119 (2) · USPC 244/100R (2) · USPC 244/46 (2) · USPC 244/98 (2)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C17/00 (504) · CPC B64C2700/6218 (190) · CPC B64C3/385 (113) · CPC B64C2700/6212 (110) · CPC B64C2700/6214 (67) · CPC B64B1/62 (59) · CPC B64C2700/6219 (38) · CPC B64C3/38 (26) · CPC B64C2700/6215 (16) · CPC B64C2700/6211 (7) · CPC B64C1/00 (6) · None (4) · CPC Y02T50/145 (4) · CPC B64C3/48 (3) · CPC B64C2700/6242 (3) · CPC Y02T50/10 (2) · CPC B64C19/00 (2) · CPC H03B7/10 (2)
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