Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10502633 | Temperature indicator for electrical equipment | — | 2019-12-10 |
| 10380861 | Thermochemical temperature indicators | — | 2019-08-13 |
| 9939326 | Temperature indicator for electrical equipment | — | 2018-04-10 |
| 9683897 | Temperature indicator for electrical equipment | — | 2017-06-20 |
| 8702304 | Temperature indicators utilizing trace materials | — | 2014-04-22 |
| 8207457 | Reversing and a method of modifying a tap changer to use the same | Brian E. Twibell | 2012-06-26 |
| 7368743 | Device for detecting fluorescent trace material | — | 2008-05-06 |
| 7038201 | Method and apparatus for determining electrical contact wear | — | 2006-05-02 |
| 6884998 | Method and apparatus for determining electrical contact wear | — | 2005-04-26 |
| 6188035 | Electrical contact wear and temperature indicator | — | 2001-02-13 |
| 6023036 | Electrical contact wear and temperature indicator | — | 2000-02-08 |
| 5941370 | Electrical contact wear | — | 1999-08-24 |