Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5521348 | Multi-pole vacuum switch with an insulation assembly surrounding each vacuum interrupter | Detlev Schmidt, Kathrina Marek, Johannes-Gerh Banghard, Michael Hahn | 1996-05-28 |
| 4678873 | Low-voltage circuit breaker having a switching mechanism arranged in a separate chamber | Bernhard Preuss | 1987-07-07 |
| 4273979 | Low-voltage circuit breaker with means for limiting contact lifting | Manfred Kruger, Wolfgang Nawrot | 1981-06-16 |
| 4206335 | Low voltage circuit breaker having a two part insulating housing | Gerd Kummerow, Bernhard Preuss, Werner Troebel | 1980-06-03 |