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Patents > CPCs : CPC B64C23/005 or CPC F05B2260/74 & Number of claims: 5-30

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Office:
Inventors:
Jean Desbois (2) · Ernest William Welsh (2) · Christopher John Lake (2) · Gustav Mees (2) · Thomas Augustus Dring (2) · Bruno von Bültzingslöwen (2)
Inventor country:
Applicant person:
None (6) · Bruno von Bültzingslöwen (2) · Jean Desbois (2) · Christopher John Lake (2) · Ernest William Welsh (2) · Gustav Mees (2) · Thomas Augustus Dring (2)
Applicant is inventor:
Tech fields:
airplane (33) · frame (22) · None (20) · propeller (19) · propulsion (18) · helicopter (16) · hybrid (16) · navigation (15) · stability (13) · design (11) · takeoff (9) · propellers (8) · ascension (7) · lift (7) · whole (7) · parachute (6) · landing (6) · heavier-than-air (6)
Full specification filed date:
Application number:
None (8)
Granted:
Related to aircraft:
Patent agent:
None (11) · Victor J. Evans (3) · Coquillat (2) · M. Zerolo (2) · Marks & Clerk (2) · Munn & Co. (2) · Edward Evans & Co. (2) · None (2) · E. Wattier (2) · Paul & Paul (2) · Phillipss (2) · E. Blétry (2)
National tech categories:
None (24) · FR 6.4 (19) · USPC 244/6 (16) · USPC 244/12.1 (8) · USPC 244/66 (6) · USPC 416/113 (3) · USPC 244/139 (3) · USPC 244/80 (3) · USPC 244/104R (2) · USPC 244/100R (2) · USPC 244/60 (2) · USPC 244/51 (2)
CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
Number of diagram pages:

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