Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11146061 | Overvoltage protection device with thermal overload protection device | Steffen Pfoertner, Jens Willmann | 2021-10-12 |
| 10971916 | Space-limited protection module with at least two overvoltage protection elements in parallel current branches | Gernot Finis, Steffen Pfoertner | 2021-04-06 |
| 8908346 | Overvoltage protection device | Steffen Pfoertner, Friedrich-Eckhard Brand | 2014-12-09 |
| 7411769 | Overvoltage protection device | Joachim Schimanski, Martin Wetter, Rainer Durth, Joachim Wosgien, Michael Tegt +1 more | 2008-08-12 |