Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11320458 | High voltage test terminal with guard electrode and guard insulation layer | Daniel Eric Huenger, Eric Ralph Weatherbee, Adam Robert Fronk, Shibao Zhang | 2022-05-03 |
| 10304595 | Electric bushings having insulation medium retention seals | Eric Ralph Weatherbee, Shibao Zhang, Chungduck Ko | 2019-05-28 |
| 10032546 | Electric bushings having insulation medium retention seals | Eric Ralph Weatherbee, Shibao Zhang, Chungduck Ko | 2018-07-24 |
| 8759683 | Spark-over prevention device for high-voltage bushing | Chungduck Ko, Shibao Zhang, Eric Ralph Weatherbee, Kata Cirkovic | 2014-06-24 |
| 8525526 | High voltage test terminal having a shock-absorbing insulator | Chungduck Ko, Pete G. Schultz, Eric Ralph Weatherbee, Shibao Zhang | 2013-09-03 |