Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7259944 | Method for operating a switch with a connectable current limiter and corresponding arrangement | David Branston, Karl-Hans Bärnklau, Fritz Pohl | 2007-08-21 |
| 6765316 | Method for averaging out overall burn up in an electromagnetic switching device and a corresponding electromagnetic switching device | Norbert B. Elsner, Gerd Griepentrog, Reinhard Herbst, Reinhard Maier, Norbert Mitlmeier +2 more | 2004-07-20 |
| 6288354 | Switching device with an arc extinguishing device | Ludwig Niebler | 2001-09-11 |
| 6262384 | Switching device having an arc extinguishing device | Ludwig Niebler | 2001-07-17 |
| 6215632 | Switching device | Peter Kaluza, Reinhard Maier, Heinz Mitlehner, Gerhard Schrother | 2001-04-10 |
| 6178077 | Electronic branch switching device | Peter Kaluza, Reinhard Maier, Heinz Mitlehner, Gerhard Schrother | 2001-01-23 |