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Patents > IPCs : IPC B64C1/00 or IPC B64C13/00 & Number of text pages: 2-9

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Tech fields:
airplane (284) · stability (278) · control (117) · automatic stability (109) · design (95) · aerodynamics (72) · Wings (59) · frame (59) · None (58) · construction (52) · steering (51) · equilibrium (44) · subsystem (44) · rudder (43) · fuselage (36) · gyroscope (32) · lift (32) · navigation (22) · sustentation (19) · Aileron (17)
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Supplementary to patent:
None (362) · Patent IT-1913-03-20 Vigilio Baldo (3) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent FR-1910-435648 (3)
Related to aircraft:
Patent agent:
None (97) · Armengaud jeune (32) · None (24) · Boult, Wade & Tennant (14) · Marks & Clerk (12) · Haseltine, Lake & Co. (12) · Weismann et Marx (11) · J. Bonnet-Thirion (11) · E. Blétry (10) · Brewer & Son (8) · Charles Dony (8) · Hippolyte Josse (8) · P. Follin (8) · de Bongé (7) · J. Germain (7) · Brandon frères (7) · Herbert Haddan & Co. (7) · Schwab (7)
National tech categories:
FR 6.4 (317) · None (177) · DE 77h.5 (25) · USPC 244/234 (7) · USPC 244/233 (7) · USPC 244/231 (5) · USPC 244/119 (4) · USPC 244/237 (3) · DE 62b.15 (3) · FR 6.3 (3) · USPC 244/225 (2) · USPC 244/87 (2) · USPC 244/88 (2) · USPC 244/232 (2) · USPC 244/89 (2) · USPC 244/82 (2)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C17/00 (248) · CPC B64C2700/6218 (179) · CPC B64C13/00 (150) · CPC B64C2700/6256 (98) · CPC B64C1/00 (74) · CPC B64C17/06 (66) · CPC B64C2700/6216 (46) · CPC B64C2700/6219 (32) · CPC B64C2700/6228 (29) · CPC B64C2001/0063 (25) · CPC B64C2001/0081 (14) · CPC B64C2700/6225 (10) · CPC B64C1/061 (9) · CPC B64C1/06 (6) · CPC B64C2700/6259 (6) · CPC B64C1/08 (5) · CPC B64C1/068 (4) · CPC B64C17/04 (4) · CPC B64C2700/6204 (4)
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