Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7915985 | Switching device for direct-current applications | Gerd Schmitz, Volker Lang, Lothar Winzen | 2011-03-29 |
| 7474182 | Contactor with connector module for control of the solenoid mechanism | Jakob Bolz, Alfred Michael Wohlang | 2009-01-06 |
| 7394032 | Electrodynamically tilting contact system for power circuit breakers | Kurt Handler, Heinz Pursch, Hartwig Stammberger, Albert Zacharias | 2008-07-01 |
| 7307500 | Arrangement used to fix conductor rails for multi-phase switchgears | Karsten Gerving | 2007-12-11 |
| 6850145 | Self-recovering current-limiting device with liquid metal | Frank Berger, Andreas Kraetzschmar | 2005-02-01 |
| 6788516 | Self-recovering current-limiting device with liquid metal | Andreas Kraetzschmar, Frank Berger, Michael Anheuser | 2004-09-07 |
| 6714115 | Self-recovering current limiting device with liquid metal | Andreas Kraetzschmar, Frank Berger | 2004-03-30 |
| 6621401 | Self-recovering current limiting device having liquid metal | Frank Berger, Thomas Freyermuth, Andreas Kraetzschmar | 2003-09-16 |
| 6603384 | Self-recovering current-limiting device having liquid metal | Frank Berger, Andreas Kraetzschmar | 2003-08-05 |
| 6600405 | Self-regenerating current limter with liquid metal | Frank Berger, Andreas Kraetzschmar | 2003-07-29 |
| 6525642 | Self-regenerating liquid metal current limiter | Andreas Kraetzschmar, Frank Berger | 2003-02-25 |
| 5362933 | Electrical switching devices, in particular low voltage power circuit breakers | Wolfgang Kutsche, Andreas Baldewein, Gerd Hentschel, Gerd Voiss | 1994-11-08 |