Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9484161 | Electrical switching device | Robert Gruenler, Martin Krehnke, Volker Lehmann, Friedrich Loebner | 2016-11-01 |
| 8399791 | Interrupter arrangement having a movable switching tube | Ronald Puls | 2013-03-19 |
| 7679021 | Switching device | Volker Lehmann, Andrzej Nowakowski, Klaus Schuler | 2010-03-16 |
| 6291786 | High-voltage circuit breaker having an interrupter module | Andrzej Nowakowski, Klaus Schuler | 2001-09-18 |
| 6040970 | Interrupter unit of a high-voltage power circuit breaker | Volker Lehmann | 2000-03-21 |