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Patents > IPCs: IPC B64C1/00 & Number of claims: 4-30

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Office:
Inventors:
None (8) · Adolphe-François-Joseph Doutre (5) · Adolf Sprater (4) · Robert Esnault-Pelterie (4) · Édouard Tarron (3) · Edmund Sparmann (3) · Louis Marmonier (3) · Frederick James Hargreaves (3)
Inventor country:
Applicant person:
None (12) · Adolphe-François-Joseph Doutre (5) · Adolf Sprater (4) · Robert Esnault-Pelterie (4) · Louis Marmonier (3) · Frederick James Hargreaves (3) · Edmund Sparmann (3)
Applicant is inventor:
Tech fields:
Stability (89) · airplane (77) · automatic stability (41) · Design (25) · construction (23) · Aerodynamics (19) · fuselage (19) · Control (18) · frame (15) · gyroscope (14) · wings (14) · None (14) · Equilibrium (13) · subsystem (11) · rudder (9) · lift (8) · Propellers (7) · chassis (6) · landing (6)
Full specification filed date:
Application number:
None (4)
Granted:
Supplementary to patent:
None (93) · Patent FR-1910-435648 (3) · Patent BE-1911-05-15 Georges de Bothezat (2) · Patent DE-1911-11-16 Otto Albin Budig (2) · Patent IT-1913-03-20 Vigilio Baldo (2) · Patent FR-1910-430552 (2) · Patent FR-1913-465942 (2)
Related to aircraft:
Patent agent:
None (25) · Armengaud jeune (9) · Haseltine, Lake & Co. (7) · Charles Dony (6) · None (6) · Boult, Wade & Tennant (6) · A. M. & William Clark (4) · Marks & Clerk (4) · Schwab (3) · Paul Coulomb (3) · Lewis William Goold (3) · Edward Evans & Co. (3) · Dupont et Elluin (3) · Hippolyte Josse (3) · Boramé et Julien (3) · Abel & Imray (3)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C17/00 (82) · CPC B64C2700/6218 (58) · CPC B64C17/06 (32) · CPC B64C1/00 (28) · CPC B64C2700/6216 (23) · CPC B64C2001/0063 (18) · CPC B64C2001/0081 (8) · CPC B64C2700/6228 (8) · CPC B64C2700/6219 (7) · CPC B64C1/06 (5) · CPC B64C1/08 (4) · CPC B64C1/068 (3) · CPC B64C2700/6225 (3) · CPC B64C1/061 (3) · CPC B64C1/12 (2) · CPC B64C2700/6233 (2) · CPC B64C2700/6204 (2)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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