Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11676784 | Vacuum interrupter | Frank Graskowski, Uwe Jahnke, Christian Stiehler, Andreas Lawall, Klaus Schachtschneider | 2023-06-13 |
| 11342142 | Shield element for a vacuum interrupter | Frank Graskowski, Christian Stiehler | 2022-05-24 |
| 11289292 | Overpressure-resistant vacuum interrupter tube | Frank Graskowski, Andreas Lawall, Christian Stiehler | 2022-03-29 |
| 10418211 | Switching contact of a vacuum interrupter comprising supporting bodies | Frank Graskowski, Uwe Jahnke, Andreas Lawall, Ulf Schuemann | 2019-09-17 |
| 9123490 | Vacuum switch tube | Werner Hartmann, Roman Renz, Ulf Schümann | 2015-09-01 |