Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11099239 | Measuring device for use in an electric switching device | Sabine Firmenich, Josef Knopp, Ralph Kriechel | 2021-08-24 |
| 10971320 | Switching device and control method | Gregor Fleitmann, Hans-Juergen Mader, Daniel A. Jansen, Ralph Kriechel | 2021-04-06 |
| 9136067 | Rotative double contact | Christoph Bausch, Franz Boeder, Uwe Linzenich | 2015-09-15 |
| 8263891 | Electric switching arrangement and mounting method | Volker Heins, Hartwig Stammberger, Markus Brich | 2012-09-11 |
| 5918732 | Power circuit breaker with a breaker mechanism and a breaker mechanism for a power circuit breaker with a lock for a low-voltage switch | Volker Heins | 1999-07-06 |