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Patents > CPCs : CPC B64C13/00 or CPC B64C39/005 & Number of claims: 2-5

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Office:
Inventors:
Anton Flettner (8) · None (5) · Harris Booth (5) · Robert Esnault-Pelterie (4) · Roger Sommer (3) · John William Copley (3) · Antonio Gustiana (3)
Inventor country:
Applicant person:
None (9) · Anton Flettner (8) · Harris Booth (5) · Robert Esnault-Pelterie (4) · Roger Sommer (3) · John William Copley (3) · Antonio Gustiana (3)
Applicant is inventor:
Tech fields:
airplane (67) · control (51) · stability (43) · frame (29) · None (28) · navigation (27) · Steering (27) · rudder (24) · design (22) · Propulsion (21) · wings (19) · LTA (12) · construction (11) · propeller (11) · HTA (10) · propellers (9) · lift (8) · subsystem (8) · helicopter (7) · aerodynamics (7)
Full specification filed date:
Application number:
None (20)
Granted:
Supplementary to patent:
None (156) · Patent DE-1918-388537 (2) · Patent US-1913-1118124 (2) · Patent CA-1909-126457 (2) · Patent FR-1912-451312 (2)
Related to aircraft:
Patent agent:
None (37) · Munn & Co. (9) · Marks & Clerk (9) · Armengaud jeune (8) · Brewer & Son (7) · Haseltine, Lake & Co.‎ (4) · E. Blétry (3) · Abel & Imray (3) · Victor J. Evans (3) · Boult, Wade & Tennant (3) · Dupont et Elluin (2) · Dony and Lejeune (2) · G. F. Redfern & Co. (2) · Gedge & Feeny (2) · Carpmaels, Radford & Newton (2) · C. A. Snow & Co. (2) · Sigmund Herzog (2) · None (2) · H. C. Everett Co. (2) · Hughes & Young (2)
National tech categories:
None (73) · FR 6.4 (35) · USPC 244/233 (11) · USPC 244/20 (10) · DE 77h.5 (10) · USPC 244/70 (10) · USPC 244/90R (6) · USPC 244/82 (5) · USPC 244/9 (4) · USPC 244/78.1 (4) · USPC 244/231 (4) · USPC 244/237 (4) · USPC 244/234 (3) · USPC 244/88 (3) · USPC 244/39 (3)
CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
Number of text pages:
Number of claims:
Number of diagram pages:

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