Drilldown: Patents

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Patents > Inventor country : AT or RU or None & Assigned to : Albert L. Watters or Sperry Gyroscope Company or None & National tech categories: None

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Inventor country: (Click arrow to add another value)
Applicant is inventor:
Tech fields:
None (2176) · LTA (103) · propulsion (86) · balloon (73) · navigation (62) · Airplane (58) · frame (30) · stability (27) · Design (26) · propeller (24) · propellers (23) · wings (21) · balloons (20) · aerodynamics (18) · marine (17) · control (16) · Construction (15) · instrument (15) · lift (14) · hybrid (12)
Application number:
Granted:
Supplementary to patent:
None (2580) ·   (7) · Patent AT-1912-75092 (3) · Patent AT-1911-57225 (2) · Patent RU-1905-Rebikov (2) · Patent GB-1913-4191 (2) · Patent FR-1880-139386 (2) · Patent DE-1907-196255 (2) · Patent BE-1913-253298 (2) · Patent BE-1911-05-15 Georges de Bothezat (2) · Patent AT-1912-57088 (2) · Patent DE-1899-123884 (2) · 1 (2)
Patent agent:
None (2547) · Marks & Clerk (13) · Haseltine, Lake & Co. (9) · Boult, Wade & Tennant (6) · Herbert Haddan & Co. (5) · W. P. Thompson & Co. (3) · Brewer & Son (2) · J. Owden O'Brien (2) · J. E. Evans-Jackson & Co. (2) · L. Chassevent (2) · 1 (2) · Jensen & Son (2) · Cruikshank & Fairweather, Limited (2) · Casalonga (2) · J.H. Johnson (2) · Boult, Wade, and Tennant (2) · Abel & Imray (2) · Alfred Julius Boult (2)
Assigned to: (Click arrow to add another value)
National tech categories: (Click arrow to add another value)
IPCs:
None (2567) · IPC B64C39/00 (13) · IPC B64C1/00 (8) · IPC B64C17/00 (7) · IPC B64C11/00 (6) · IPC B64C23/00 (4) · IPC B64C33/02 (4) · IPC B64D27/00 (3) · IPC B64C13/00 (3) · IPC B64C3/54 (3) · IPC B64C33/00 (3) · IPC B64C27/04 (3) · IPC B64C35/00 (3) · IPC B64B1/58 (3)
First filing:
Citations from after 1930:
Number of diagram pages:

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