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Patents > Year granted: 1920 & Number of claims: 4-20

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Year granted:
(There are no values for this filter)
Office:
Inventors:
None (16) · Henry Kleckler (5) · Antoine Cazanave (2) · Nelson W. Dalton (2) · Joseph Vanorio (2) · Edward Eugene Brown (2) · Lawrence Burst Sperry (2) · Henry L. Haskell (2)
Inventor country:
Applicant person:
None (27) · Henry Kleckler (3) · Lawrence Burst Sperry (2) · Nelson W. Dalton (2) · Edward Eugene Brown (2) · Antoine Cazanave (2) · Joseph Vanorio (2) · John William Rapp (2)
Applicant is inventor:
Tech fields:
Airplane (26) · design (18) · None (16) · construction (15) · propellers (14) · frame (14) · wings (13) · fuselage (8) · biplane (7) · propulsion (6) · landing (6) · chassis (5) · stability (5) · aerodynamics (5) · control (5) · Motors (5) · military (5) · lift (5) · LTA (5) · subsystem (5)
Full specification filed date:
Application number:
None (20)
Granted:
Related to aircraft:
Patent agent:
None (42) · John P. Tarbox (8) · A. M. & William Clark (2) · Chappell & Earl? (2) · Louis Tailfer (2) · Dupont et Elluin (2) · E. Wattier (2) · Herbert H. Thompson (2) · H. R. Kerslake (2) · Munn & Co. (2)
National tech categories:
None (58) · FR 6.4 (11) · HU V/h (9) · DE 77h.5 (5) · AT 77d (2) · DE 77h.9 (2) · USPC 244/22 (2)
IPCs:
None (18) · IPC B64C3/00 (10) · IPC B64C39/00 (6) · IPC B64C25/00 (5) · IPC B64C13/12 (5) · IPC B64B1/58 (4) · IPC B64C35/00 (4) · IPC B64C11/04 (4) · IPC B64C1/00 (4) · IPC B64C17/00 (4) · IPC B64C11/00 (3) · IPC B64C23/00 (3) · IPC B64C3/54 (3) · IPC B64C3/56 (3) · IPC B64D27/00 (2) · IPC B64B1/64 (2) · IPC B64C1/06 (2) · IPC B64F1/22 (2)
CPCs:
None (16) · CPC B64C3/00 (9) · CPC B64C2700/6235 (5) · CPC B64C13/12 (5) · CPC B64B1/58 (4) · CPC B64C11/04 (4) · CPC B64C17/00 (4) · CPC B64F2700/6226 (4) · CPC B64C3/56 (3) · CPC B64C3/54 (3) · CPC B64C35/00 (3) · CPC B64C39/00 (3) · CPC B64C2700/6295 (3) · CPC B64C23/005 (3) · CPC B64C2001/0081 (3) · CPC B64C1/00 (3)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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