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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:
None (227) · stability (179) · airplane (169) · control (81) · automatic stability (51) · steering (38) · frame (37) · design (36) · wings (35) · construction (32) · rudder (29) · aerodynamics (28) · subsystem (26) · fuselage (25) · gyroscope (23) · equilibrium (23) · lift (18) · navigation (17) · balance (12) · aileron (11)
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Supplementary to patent:
None (378) · Patent FR-1910-435648 (3) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent IT-1913-03-20 Vigilio Baldo (3)
Related to aircraft:
Patent agent:
None (94) · Armengaud jeune (33) · None (24) · Marks & Clerk (16) · Boult, Wade & Tennant (14) · Haseltine, Lake & Co. (12) · Weismann et Marx (11) · J. Bonnet-Thirion (11) · E. Blétry (10) · P. Follin (8) · Brewer & Son (8) · Hippolyte Josse (8) · Charles Dony (8) · Schwab (8) · Munn & Co. (7) · De Bongé (7) · J. Germain (7) · Herbert Haddan & Co. (7) · Lavoix et Mosès (7) · Brandon frères (7)
National tech categories:
FR 6.4 (326) · None (188) · DE 77h.5 (25) · USPC 244/234 (7) · USPC 244/233 (7) · USPC 244/231 (6) · USPC 244/119 (4) · USPC 244/237 (3) · DE 62b.15 (3) · FR 6.3 (3) · USPC 244/82 (2) · USPC 244/88 (2) · USPC 244/89 (2) · USPC 244/232 (2) · USPC 244/90R (2) · USPC 244/225 (2) · USPC 244/221 (2) · USPC 244/87 (2)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C17/00 (262) · CPC B64C2700/6218 (189) · CPC B64C13/00 (154) · CPC B64C2700/6256 (98) · CPC B64C1/00 (79) · CPC B64C17/06 (65) · CPC B64C2700/6216 (45) · CPC B64C2700/6228 (33) · CPC B64C2700/6219 (32) · CPC B64C2001/0063 (26) · CPC B64C2001/0081 (16) · CPC B64C2700/6225 (10) · CPC B64C1/061 (10) · 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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