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Patents > Patent agent : Abel & Imray or Victor J. Evans & Number of claims: 4-90

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Office:
Inventors:
Robert Esnault-Pelterie (5) · Sam Leonard Walkden (3) · Ernest Edwin Wallington Butt (2) · Jack Edmund Humphreys (2) · George Lehberger (2) · Rexford M. Smith (2) · Spenser Aldborough Flower (2) · Kynaston Overstow Hale (2)
Inventor country:
Applicant person:
Robert Esnault-Pelterie (5) · None (3) · Sam Leonard Walkden (3) · Spenser Aldborough Flower (2) · Jack Edmund Humphreys (2) · George Lehberger (2) · Rexford M. Smith (2) · Ernest Edwin Wallington Butt (2) · Kynaston Overstow Hale (2)
Applicant firm:
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Applicant is inventor:
Tech fields:
None (20) · Airplane (17) · stability (16) · Frame (11) · rudder (7) · propeller (7) · automatic stability (6) · control (6) · navigation (5) · LTA (5) · design (4) · Propulsion (4) · Subsystem (4) · wheels (4) · whole (3) · Aerodynamics (3) · safety (3) · takeoff (3)
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None (15)
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National tech categories:
None (35) · USPC 244/80 (7) · USPC 244/104R (2) · USPC 244/233 (2) · USPC 244/90R (2) · USPC 244/100R (2)
CPCs:
CPC B64C17/00 (15) · None (9) · CPC B64B1/00 (5) · CPC B64C23/005 (4) · CPC B64C13/00 (3) · CPC B64C2700/6295 (3) · CPC B64C3/385 (3) · CPC B64C33/02 (2) · CPC B64C2700/6256 (2) · CPC B64C11/006 (2) · CPC B64C17/06 (2) · CPC B64C39/08 (2) · CPC Y02E10/74 (2) · CPC B64C35/00 (2)
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Cites these patents:
Citations from after 1930:
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