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Patents > Office : DEG or GB or NO or US & IPCs : IPC B64C1/00 or IPC B64C11/00 or IPC B64C13/00

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Office: (Click arrow to add another value)
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Tech fields:
stability (96) · airplane (76) · Control (50) · None (33) · propellers (29) · automatic stability (27) · steering (26) · frame (21) · construction (21) · rudder (20) · Design (19) · subsystem (19) · propulsion (18) · fuselage (16) · Gyroscope (15) · wings (14) · navigation (13) · Aerodynamics (13) · equilibrium (11) · balance (10)
Full specification filed date:
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Supplementary to patent:
None (193) · Patent FR-1910-435648 (2) · Patent US-1913-1118124 (2) · Patent GB-1909-8531‎ (2) · Patent FR-1910-417989 (2)
Related to aircraft:
Patent agent:
None (52) · Boult, Wade & Tennant (16) · Marks & Clerk (15) · Haseltine, Lake & Co. (13) · Abel & Imray (10) · None (9) · Brewer & Son (8) · Lloyd Wise & Co. (7) · Herbert Haddan & Co. (6) · W. P. Thompson & Co. (5) · A. M. & William Clark (5) · Dicker, Pollak & Derriman (4) · Brierley & Howard (4) · Munn & Co. (4) · Edward Evans & Co. (4)
National tech categories:
None (229) · USPC 244/233 (8) · USPC 244/234 (7) · USPC 416/139 (5) · USPC 244/119 (5) · USPC 244/231 (5) · USPC 244/87 (4) · USPC 244/65 (3) · USPC 244/237 (3) · USPC 244/89 (3) · USPC 244/225 (3) · USPC 244/90R (3) · USPC 244/221 (2) · USPC 244/82 (2) · USPC 244/88 (2) · USPC 244/232 (2) · USPC 244/222 (2) · FR 6.4 (2) · USPC 244/79 (2) · USPC 244/177 (2)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C13/00 (86) · CPC B64C17/00 (77) · CPC B64C2700/6218 (64) · CPC B64C2700/6256 (62) · CPC B64C11/006 (28) · CPC B64C17/06 (25) · CPC B64C2700/6216 (19) · CPC B64C1/00 (18) · CPC B64C11/00 (17) · CPC B64C2001/0063 (14) · CPC B64C2001/0081 (7) · CPC B64D2700/62692 (5) · CPC B64C2700/6228 (5) · CPC B64C11/346 (5) · CPC B64C11/005 (4) · CPC B64C2700/6225 (4)
First filing:
Citations from after 1930:
Number of diagram pages:

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