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Patents > National tech categories : USPC 244/119 or None & IPCs : IPC B64C1/00 or IPC B64C39/00

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Tech fields:
airplane (95) · stability (92) · None (67) · design (39) · automatic stability (34) · construction (29) · frame (28) · wings (24) · fuselage (20) · Propellers (18) · propulsion (18) · control (16) · Gyroscope (16) · Aerodynamics (16) · whole (15) · lift (14) · subsystem (12) · HTA (10)
Full specification filed date:
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Supplementary to patent:
None (175) · Patent FR-1916-502839 (3) · Patent GB-1909-8531‎ (2) · Patent FR-1909-408197 (2) · Patent FR-1914-475066 (2) · Patent FR-1910-435648 (2) · Patent NZ-1909-25865 (2)
Related to aircraft:
Patent agent:
None (43) · Boult, Wade & Tennant (20) · Marks & Clerk (19) · Haseltine, Lake & Co. (14) · Herbert Haddan & Co. (11) · None (10) · Abel & Imray (8) · H. D. Fitzpatrick & Co. (6) · A. M. & William Clark (6) · Hyde & Heide (5) · J. S. Withers & Spooner (5) · Mewburn, Ellis & Pryor (5) · Edward Evans & Co. (5) · Lewis William Goold (4) · R. J. Urquhart (4) · Wheatley & Mackenzie (4)
National tech categories: (Click arrow to add another value)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C2700/6295 (87) · CPC B64C17/00 (85) · CPC B64C39/00 (78) · CPC B64C2700/6218 (69) · CPC B64C17/06 (29) · CPC B64C2700/6216 (24) · CPC B64C39/005 (21) · CPC B64C39/08 (19) · CPC B64C1/00 (18) · CPC B64C2001/0063 (14) · CPC B64C39/008 (10) · CPC B64C2001/0081 (8) · CPC B64C2700/6228 (5) · CPC B64C39/006 (4) · CPC B64C1/061 (4) · CPC B64C3/48 (3) · CPC B64C17/04 (3) · CPC B64C39/003 (3) · CPC B64C1/08 (3)
First filing:
Citations from after 1930:
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