Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5750949 | Metal-encapsulated, gas-insulated high-voltage circuit-breaker | Martin Schumacher, Horst Plettner | 1998-05-12 |
| 4511775 | Circuit breaker | Gerhard Korner, Horst Plettner, Walter Viering | 1985-04-16 |
| 4438308 | Puffer piston circuit breaker | Gerhard Korner | 1984-03-20 |