Issued Patents All Time
Showing 51–70 of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8653398 | Electrical device with a multi-chamber housing | — | 2014-02-18 |
| 8654501 | Low-, medium-, or high-voltage switching device with chemical charge means | — | 2014-02-18 |
| 8530775 | Pole part of a medium-voltage switching device | — | 2013-09-10 |
| 8525052 | Switch arrangement for medium and high-voltage switching devices | — | 2013-09-03 |
| 8455780 | Low-voltage, medium-voltage or high-voltage assembly | — | 2013-06-04 |
| 8350174 | Pole part of a medium-voltage or high-voltage switch gear assembly, and method for its production | — | 2013-01-08 |
| 8302303 | Process for producing a contact piece | Günter Pilsinger | 2012-11-06 |
| 8232498 | Short-circuit device for medium and high-voltage switching devices | — | 2012-07-31 |
| 8227066 | Annular disc of bent sheet material | Georg Ptaschek | 2012-07-24 |
| D660253 | Pole part | — | 2012-05-22 |
| D658589 | Switch | Wenkai Shang, Christof Humpert, Zhenhua Fan, Arne Klaska, Oliver Claus +2 more | 2012-05-01 |
| D658133 | Switch | Wenkai Shang, Christof Humpert, Zhenhua Fan, Arne Klaska, Oliver Claus +2 more | 2012-04-24 |
| 7939777 | Vacuum interrupter chamber | Edgar Dullni, Kurt Kaltenegger | 2011-05-10 |
| 7906742 | Vacuum interrupter chamber and contact arrangement for a vacuum circuit breaker | Alexander Steffens, Kaveh Niayesh | 2011-03-15 |
| 7852180 | Method for producing breaker pole parts for low-voltage, medium-voltage and high-voltage switchgear assemblies, and breaker pole part itself | Oliver Claus | 2010-12-14 |
| 7758917 | Method of producing an arc-erosion resistant coating and corresponding shield for vacuum interrupter chambers | Georg Ptaschek | 2010-07-20 |
| 7471495 | Vacuum circuit breaker having a high current-carrying capacity | Alexander Steffens, Martin Lakner, Jochen Kiefer, Daniel Chartouni | 2008-12-30 |
| 6308857 | Vacuum chamber | Markus Heimbach | 2001-10-30 |
| 6010659 | Method and device for producing a contact element | Georg Sawitzki | 2000-01-04 |
| 5510592 | Vacuum switch | Joseph H. F. G. Lipperts | 1996-04-23 |