Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6483066 | Switchgear assemblies having switching devices | Thomas Erk, Hartmut Schöntag, Andreas Stelzer | 2002-11-19 |
| 6444938 | Switchgear with switching devices arranged in housings | Thomas Erk, Hartmut Schoentag, Andreas Stelzer | 2002-09-03 |
| 6395990 | Insulating carriers for vacuum circuit breakers | Hartmut Schoentag, Andreas Stelzer | 2002-05-28 |
| 5075661 | Locking device for a switching device with an electromagnetic actuator | Joachim Kaletta, Ibrahim Traore | 1991-12-24 |
| 4468977 | Power drive for electric switchgear in which driving power is elastically transmitted thereto | Gerd Kummerow, Werner Troebel, Bernhard Preuss | 1984-09-04 |
| 4444067 | Power drive including a drive slide for electric switchgear | Bernhard Preuss | 1984-04-24 |