Evershed and Vignoles Ltd
Evershed aActive Patents
0
Total Holdings
9
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| GB409102A | Improvements relating to devices for indicating and measuri… | Expired / Lapsed | 1933-01-31 | — | 0 | Details |
| US3343014A | Synchronous motors | Expired / Lapsed | 1964-11-10 | 1967-09-19 | 0 | Details |
| US3205492A | Conversion method and apparatus | Expired / Lapsed | 1962-06-22 | 1965-09-07 | 2 | Details |
| US3058066A | Electrical circuit having direct current voltage output pro… | Expired / Lapsed | 1957-11-18 | 1962-10-09 | 0 | Details |
| US2608678A | Electrical controlling apparatus | Expired / Lapsed | 1949-03-14 | 1952-08-26 | 0 | Details |
| US1734342A | Apparatus for the detection and estimation of impurities an… | Expired / Lapsed | 1927-04-08 | 1929-11-05 | 0 | Details |
| US1665857A | Electrical transmission system | Expired / Lapsed | 1920-05-26 | 1928-04-10 | 0 | Details |
| US1571960A | Lectrical means for indicating at alpha distance the motion… | Expired / Lapsed | 1920-11-17 | 1926-02-09 | 0 | Details |
| US812196A | Apparatus for measuring electric resistances. | Expired / Lapsed | 1904-02-27 | 1906-02-13 | 0 | Details |