Drilldown: Patents

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Patents > Year granted: 1920 - 1929 & Inventor location: None & Number of claims: 5-7

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Office:
Inventors:
None (13) · Henry Kleckler (3) · Lawrence Burst Sperry (2) · Albert Francis Zahm (2) · Anton Flettner (2) · Charles F. Willard (2) · Nelson W. Dalton (2)
Inventor country:
Inventor location: (Click arrow to add another value)
Applicant person:
None (26) · Henry Kleckler (2) · Charles F. Willard (2) · Nelson W. Dalton (2) · Lawrence Burst Sperry (2) · Anton Flettner (2)
Applicant is inventor:
Tech fields:
airplane (24) · design (11) · None (10) · construction (10) · propellers (9) · frame (9) · control (9) · wings (9) · propulsion (8) · propeller (8) · landing (7) · Fuselage (5) · marine (4) · aerial propeller (4) · Navigation (4) · helicopter (4)
Full specification filed date:
Application number:
None (24)
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (35) · John P. Tarbox (9) · Herbert H. Thompson (4) · A. M. & William Clark (2) · Haseltine, Lake & Co.‎ (2)
National tech categories:
None (43) · FR 6.4 (9) · HU V/h (6) · DE 77h.5 (3) · DE 77h.6 (3) · AT 77d (2) · USPC 244/101 (2) · DE 77h.7 (2)
IPCs:
None (17) · IPC B64C3/00 (7) · IPC B64C13/00 (5) · IPC B64C1/00 (5) · IPC B64C35/00 (4) · IPC B64C11/00 (4) · IPC B64C11/04 (4) · IPC B64C39/00 (3) · IPC B64C17/00 (3) · IPC B64D27/00 (2) · IPC B64C25/00 (2) · IPC B64C23/00 (2) · IPC B64F1/22 (2) · IPC B64C11/20 (2) · IPC B64B1/58 (2)
CPCs:
None (12) · CPC B64C3/00 (8) · CPC B64C13/00 (6) · CPC B64C2700/6233 (5) · CPC B64C11/04 (4) · CPC B64C11/00 (3) · CPC B64C2700/6256 (3) · CPC B64C2700/6235 (3) · CPC B64C35/00 (3) · CPC B64C17/00 (3) · CPC B64C2001/0063 (3)
First filing:
Citations from after 1930:
Number of text pages:
Number of claims:
Number of diagram pages:

Showing below up to 87 results in range #1 to #87.

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