Drilldown: Patents

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Patents > Year filed: 1800 - 1899 & Assigned to : Sperry Gyroscope Company or None

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Inventor country:
US (448) · FR (409) · None (246) · DE (209) · GB (114) · CH (22) · RU (21) · AT (18) · IT (16) · ES (11) · CA (10) · BE (8) · Prussia (7) · AU (6) · BR (6) · NO (5) · Ireland (5) · HU (5) · MX (4)
Inventor location:
None (1444) · Tennessee (5) · Paris (5) · Brussels (4) · Berlin (4) · province de Brabant (4) · Hamilton county, Ohio (3) · Cincinnati (3) · Angers (3) · Nord (3) · Maine-et-Loire (3) · Budapest (3) · London (3) · Philadelphia (3) · Seine (3) · Lille (3) · Leipzig (3) · Tarn-et-Garonne (3)
Applicant is inventor:
Application number:
None (1497)
Granted:
Supplementary to patent:
None (1316) · Patent DE-1895-98580 (9) · Patent DE-1899-123884 (6) · Patent FR-1891-216860 (5) · Patent FR-1841-9265 (5) · Patent DE-1894-83896 (4) · Patent DE-1894-76727 (4) · Patent CH-1899-18666 (4) · Patent FR-1898-278192 (4)
Related to aircraft:
Assigned to: (Click arrow to add another value)
IPCs:
None (1302) · IPC B64B1/00 (55) · IPC B64C31/06 (15) · IPC B64B1/40 (12) · IPC B64C33/02 (12) · IPC B64C31/00 (12) · IPC B64B1/58 (10) · IPC F42B10/00 (9) · IPC B64C39/00 (6) · IPC B64B1/62 (5) · IPC A01H5/02 (5) · IPC B64B1/06 (4) · IPC B64B1/30 (4) · IPC B64C11/00 (4) · IPC B64C23/00 (4) · IPC B64B (4) · IPC B64C9/00 (4) · IPC A01H5/00 (4)
First filing:
Citations from after 1930:
Number of diagram pages:

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