DTE Energy Co
DTE EnergyActive Patents
0
Total Holdings
7
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3961185A | Fiber optic displacement transducer | Expired / Lapsed | 1974-11-11 | 1976-06-01 | 28 | Details |
| US3540030A | Structure for and method of powerline load remote control | Expired / Lapsed | 1969-09-29 | 1970-11-10 | 0 | Details |
| US3239938A | Clearance measuring probe | Expired / Lapsed | 1962-03-05 | 1966-03-15 | 2 | Details |
| US3073890A | Spreader for distribution secondary conductors | Expired / Lapsed | 1961-07-24 | 1963-01-15 | 2 | Details |
| US2352556A | Apparatus for protecting power lines | Expired / Lapsed | 1940-05-07 | 1944-06-27 | 0 | Details |
| US2222748A | Fluid stop for power cables | Expired / Lapsed | 1937-10-16 | 1940-11-26 | 0 | Details |
| US2050665A | Electrical device | Expired / Lapsed | 1932-05-16 | 1936-08-11 | 0 | Details |