EMI Ltd
EMI LtdActive Patents
0
Total Holdings
13
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| GB769305A | Improvements relating to message selection in electrical co… | Expired / Lapsed | 1953-08-06 | — | 0 | Details |
| US3390380A | Binary-information analysing arrangements | Expired / Lapsed | 1965-08-18 | 1968-06-25 | 0 | Details |
| US3086154A | Automatic control of machine tools | Expired / Lapsed | 1958-02-27 | 1963-04-16 | 1 | Details |
| US2961161A | Control devices for automatic machine tools | Expired / Lapsed | 1957-07-15 | 1960-11-22 | 0 | Details |
| US2929555A | Automatic control mechanism and interpolating devices there… | Expired / Lapsed | 1956-04-27 | 1960-03-22 | 0 | Details |
| US2900586A | Displacement error reducing pattern servosystem | Expired / Lapsed | 1957-07-17 | 1959-08-18 | 0 | Details |
| FR1114501A | Improvements to automatic control systems, especially appli… | Expired / Lapsed | 1954-10-28 | 1956-04-13 | 0 | Details |
| FR1110544A | Improvements to automatic control systems intended in parti… | Expired / Lapsed | 1954-10-21 | 1956-02-14 | 0 | Details |
| US2621292A | Electrical integrating circuit arrangement | Expired / Lapsed | 1948-02-10 | 1952-12-09 | 0 | Details |
| US2534846A | Color filter | Expired / Lapsed | 1947-09-08 | 1950-12-19 | 0 | Details |
| US2501368A | Frequency stabilized relay for frequency-modulated oscillat… | Expired / Lapsed | 1945-03-03 | 1950-03-21 | 0 | Details |
| US2263376A | Electric wave filter or the like | Expired / Lapsed | 1939-04-08 | 1941-11-18 | 0 | Details |
| US2113011A | Thermionic valve apparatus | Expired / Lapsed | 1936-11-28 | 1938-04-05 | 0 | Details |