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Patents > National tech categories: None & CPCs : CPC B63H5/165 or CPC B64C17/00

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Office:
Inventors:
None (10) · Sam Leonard Walkden (4) · Alexander Blair Thaw (4) · Merrill Elbridge Clark (4) · James Vernon Martin (4) · Robert Esnault-Pelterie (3) · James Means (3) · Alfred John Macy (3) · Henry Seddon Wildeblood (3) · Hirzel Denis de Mussenden Carey (3)
Inventor country:
Inventor location:
None (239) · England (4) · New York (2) · Budapest (2)
Applicant person:
None (8) · James Vernon Martin (5) · Sam Leonard Walkden (4) · Alexander Blair Thaw (4) · Robert Esnault-Pelterie (3) · Hirzel Denis de Mussenden Carey‎‎ (3) · Henry Seddon Wildeblood (3) · Alfred John Macy (3)
Applicant is inventor:
Tech fields:
stability (119) · None (109) · airplane (79) · automatic stability (46) · Frame (21) · Design (20) · control (17) · Subsystem (16) · Equilibrium (15) · balance (13) · Aerodynamics (11) · pendulum (11) · rudder (9) · construction (9) · Propellers (7) · HTA (7) · navigation (5) · Whole (5) · wings (5)
Full specification filed date:
Application number:
Granted:
Publication date:
Supplementary to patent:
None (189) · Patent GB-1909-8531 (3) · Patent FR-1909-399456 (2) · Patent FR-1911-446282 (2) · Patent FR-1910-415470 (2) · Patent NZ-1909-25865 (2) · Patent FR-1914-475066 (2)
Related to aircraft:
Patent agent:
None (104) · Marks & Clerk (16) · Abel & Imray (10) · Herbert Haddan & Co. (8) · Haseltine, Lake & Co. (7) · None (6) · Lewis William Goold (5) · Boult, Wade & Tennant (5) · Edward Evans & Co. (4) · Wheatley & Mackenzie (4) · Chatwin, Herschell & Co. (3) · Dicker, Pollak & Derriman (3) · J. S. Withers & Spooner (3) · A. M. & William Clark (3) · Lloyd Wise & Co. (3)
National tech categories: (Click arrow to add another value)
CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
Number of diagram pages:

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