Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5523536 | Multi-pole vacuum switch with a pole operating unit for each vacuum switching tube | Manfred Binder, Werner Gruner, Detlev Schmidt, Norbert Steinemer | 1996-06-04 |
| 4793721 | Device for switching apparatus having a shaft | Gunter Prietzel | 1988-12-27 |
| 4742200 | Actuating device for a low-voltage circuit breaker with a ratchet wheel | Ulrich Marquardt | 1988-05-03 |
| 4655098 | Drive mechanism for a circuit breaker using eccentric member and directional lock | Ulrich Marquardt | 1987-04-07 |
| 4636762 | Contact assembly having a current-dependent force increasing the contact force | Ulrich Marquardt | 1987-01-13 |