Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11749481 | Over-voltage protection arrangement having a horn gap located in an insulating housing having a deionization chamber for arc extinguishing | Arnd Ehrhardt, Sebastian Haas, Georg Wittmann | 2023-09-05 |
| 11152769 | Overvoltage protection arrangement consisting of a horn spark gap accommodated in an insulating housing | Georg Wittmann, Edmund Zäuner, Ralph Brocke, Sebastian Haas | 2021-10-19 |
| 10049795 | Surge protection device, comprising at least one surge arrester and one thermally trippable switching device connected in series with the surge arrester | Georg Wittmann, Edmund Zäuner | 2018-08-14 |
| 10014098 | Surge protection device, comprising at least one surge arrester and one short-circuit switching device which is connected in parallel with the surge arrester, can be thermally tripped and is spring-pretensioned | Georg Wittmann, Edmund Zäuner | 2018-07-03 |
| 9172236 | Overvoltage protection device having at least one surge arrester | Georg Wittmann, Edmund Zäuner | 2015-10-27 |
| 8493170 | Overvoltage protection device having one or more parallel-connected overvoltage-limiting elements located in one physical unit | Edmund Zäuner, Richard Daum | 2013-07-23 |