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Patents > IPCs : IPC B64C1/00 or IPC B64C27/04 & Citations from after 1930: None

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Tech fields:
airplane (248) · stability (237) · Automatic stability (107) · design (96) · aerodynamics (66) · Frame (54) · control (51) · wings (50) · construction (47) · Equilibrium (44) · Subsystem (38) · helicopter (37) · gyroscope (36) · None (35) · propellers (34) · lift (33) · fuselage (30) · propulsion (25) · sustentation (22)
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Supplementary to patent:
None (271) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent IT-1913-03-20 Vigilio Baldo (3) · Patent GB-1909-8531‎ (3) · Patent FR-1910-435648 (3)
Related to aircraft:
Patent agent:
None (110) · Armengaud jeune (24) · None (22) · J. Germain (11) · Haseltine, Lake & Co. (10) · Charles Dony (9) · J. Bonnet-Thirion (9) · J. Fayollet (8) · Schwab (8) · Brandon frères (7) · Herbert Haddan & Co. (6) · De Bongé (6) · Lavoix et Mosès (6) · Hippolyte Josse (6) · P. Follin (6)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C17/00 (233) · CPC B64C2700/6218 (161) · CPC B64C1/00 (61) · CPC B64C2700/6281 (58) · CPC B64C17/06 (57) · CPC B64C27/04 (43) · CPC B64C2700/6216 (39) · CPC B64C2700/6219 (27) · CPC B64C2001/0063 (20) · CPC B64C2700/6228 (19) · CPC B64C27/12 (15) · CPC B64C2001/0081 (13) · CPC B64C2700/6225 (9) · CPC B64C1/061 (9) · CPC B64C1/06 (6) · CPC B64C17/04 (6) · CPC B64C27/52 (6) · CPC B64C27/20 (6)
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