Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6864456 | Vacuum interrupter chamber with ring-shaped insulator | Johannes-Gerh Banghard, Klemens Fieberg, Michael Hahn, Werner Hartmann, Harald Kurzmann +4 more | 2005-03-08 |
| 6657149 | Vacuum interrupter with a vapor shield | Klemens Fieberg, Klaus Gessner, Roman Renz | 2003-12-02 |
| 6034472 | Vacuum tube having a getter apparatus | Roman Renz, Klaus Gessner | 2000-03-07 |