Drilldown: Patents

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Patents > Year filed: 1910 - 1919 & Inventor country : AT or RU or US & Assigned to : Sperry Gyroscope Company or None & National tech categories: None

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Tech fields:
None (667) · airplane (77) · stability (63) · frame (49) · propellers (39) · design (38) · propulsion (37) · propeller (34) · Construction (33) · LTA (29) · wings (28) · control (23) · aerodynamics (21) · navigation (21) · hybrid (19) · aerial propeller (19) · helicopter (17) · marine (16) · military (16)
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Supplementary to patent:
None (947) · Patent US-1913-1087946 (4) · Patent AT-1912-75092 (3) · Patent AT-1912-57088 (2) · Patent GB-1913-2294 (2) · Patent GB-1913-4191 (2) · Patent US-1914-1115457 (2) · Patent US-1914-1157636 (2) · Patent US-1913-04-21 George Raymond Lawrence (2) · Patent BE-1911-05-15 Georges de Bothezat (2) · Patent US-1914-1368226 (2) · Patent US-1913-1094989 (2) · Patent US-1911-1003530 (2) · Patent US-1910-984076 (2) · Patent AT-1911-57225 (2)
Related to aircraft:
Patent agent:
None (686) · Marks & Clerk (30) · John P. Tarbox (14) · Munn & Co. (13) · Haseltine, Lake & Co. (12) · J. S. Withers & Spooner (12) · None (10) · Victor J. Evans (10) · Herbert H. Thompson (9) · Randolph, Jr. (8) · Wheatley & Mackenzie (8) · Jensen & Son (7) · W. P. Thompson & Co. (7) · Herbert Haddan & Co. (6) · J. S. Withers (6) · A. M. & William Clark (4) · Watson E. Coleman (4)
Assigned to: (Click arrow to add another value)
National tech categories: (Click arrow to add another value)
IPCs:
None (828) · IPC B64C17/00 (30) · IPC B64C1/00 (28) · IPC B64C39/00 (27) · IPC B64C3/00 (13) · IPC B64C35/00 (10) · IPC B64C23/00 (7) · IPC B64C3/38 (6) · IPC B64C27/04 (6) · IPC B64C13/00 (6) · IPC B64C33/02 (6) · IPC B64C11/00 (5) · IPC B64C3/18 (5) · IPC B64C17/06 (5) · IPC B64C33/00 (5) · IPC B62C5/04 (5)
First filing:
Citations from after 1930:

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