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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 (6) · Harris Booth (5) · Roger Sommer (4) · Robert Esnault-Pelterie (4) · Frederick William Lanchester (3) · Antonio Gustiana (3) · John William Copley (3)
Inventor country:
Applicant person:
None (10) · Anton Flettner (8) · Harris Booth (5) · Robert Esnault-Pelterie (4) · Roger Sommer (4) · John William Copley (3) · Antonio Gustiana (3) · Frederick William Lanchester (3)
Applicant is inventor:
Tech fields:
airplane (72) · control (58) · stability (46) · None (28) · steering (28) · navigation (27) · frame (27) · rudder (26) · design (22) · propulsion (21) · wings (19) · propeller (12) · LTA (11) · construction (11) · HTA (10) · propellers (9) · lift (8) · helicopter (7) · Aerodynamics (7)
Full specification filed date:
Application number:
None (19)
Granted:
Supplementary to patent:
None (164) · Patent DE-1918-388537 (2) · Patent FR-1912-451312 (2) · Patent CA-1909-126457 (2) · Patent US-1913-1118124 (2)
Related to aircraft:
Patent agent:
None (34) · Marks & Clerk (10) · Munn & Co. (9) · Armengaud jeune (9) · Brewer & Son (7) · Boult, Wade & Tennant (4) · Haseltine, Lake & Co. (4) · G. F. Redfern & Co.‎ (3) · Dupont et Elluin (3) · Victor J. Evans (3) · E. Blétry (3) · Abel & Imray (3)
National tech categories:
None (78) · FR 6.4 (38) · USPC 244/233 (11) · USPC 244/20 (10) · USPC 244/70 (10) · DE 77h.5 (10) · USPC 244/90R (8) · USPC 244/82 (5) · USPC 244/231 (4) · USPC 244/237 (4) · USPC 244/9 (4) · USPC 244/88 (4) · USPC 244/78.1 (4) · USPC 244/39 (3) · USPC 244/234 (3) · USPC 416/112 (2) · USPC 244/904 (2) · USPC 244/87 (2) · USPC 416/113 (2)
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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