Patent Explorer
Browse, filter, and analyze 3 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US4362057A | Optical fiber temperature sensor | Electric Power Research Institute | Expired / Lapsed | 1980-10-10 | 1982-12-07 | 2000-10-10 | 0.0 yrs | 13 | |
| US4258574A | Method and apparatus for ultrasonic imaging using a line source and a linear receiver array | Electric Power Research Institute | Expired / Lapsed | 1979-03-16 | 1981-03-31 | 1999-03-16 | 0.0 yrs | 19 | |
| US4216498A | Visibility monitor employing television camera | Electric Power Research Institute | Expired / Lapsed | 1978-09-12 | 1980-08-05 | 1998-09-12 | 0.0 yrs | 20 |