Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12362114 | Compact vacuum interrupter | Frank Graskowski, Alexander Ziefle | 2025-07-15 |
| 11355417 | Fastening unit for connecting thermally stressed components to each other | Jasper Schnack | 2022-06-07 |
| 9230760 | Vacuum interrupter and switch pole | Martin Böttcher, Frank Graskowski, Christoph Luft, Gernot Swiatkowski, Jörg Teichmann | 2016-01-05 |
| 9123490 | Vacuum switch tube | Lydia Baron, Werner Hartmann, Roman Renz | 2015-09-01 |
| 8847097 | Vacuum interrupter | Roman Renz | 2014-09-30 |