Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9612269 | System for detection of a ground fault in a high resistance ground network | Lixiang Wei, Zhijun Liu, Brian P. Brown, David W. Kirschnik, Russ J. Kerkman +2 more | 2017-04-04 |
| 8988060 | Power control system and method | Russel J. Kerkman | 2015-03-24 |
| 8698504 | System for detection of a ground fault in a high resistance ground network | Lixiang Wei, Zhijun Liu, Brian P. Brown, David W. Kirschnik, Russ J. Kerkman +2 more | 2014-04-15 |
| 8575915 | Power control system and method | Russel J. Kerkman | 2013-11-05 |
| 8352203 | Digital implementation of a tracking filter | Brian J. Seibel, Russel J. Kerkman | 2013-01-08 |