Patent Explorer
Browse, filter, and analyze 3 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US3302093A | Electric frequency changers | English Electric Co Ltd | Expired / Lapsed | 1963-09-16 | 1967-01-31 | 1983-09-16 | 0.0 yrs | 2 | |
| US3236610A | Bonded metal-ceramic elements | English Electric Co Ltd | Expired / Lapsed | 1962-03-05 | 1966-02-22 | 1982-03-05 | 0.0 yrs | 2 | |
| US2175820A | Means for supplying current to direct current electric motors | English Electric Co Ltd | Expired / Lapsed | 1937-08-06 | 1939-10-10 | 1957-08-06 | 0.0 yrs | 0 |