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Magnet armature, contactor having a magnetic armature, and method for switching a contactor |
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| 10727008 |
Contact device for an electrical switch, and electrical switch |
Robert Hoffmann |
2020-07-28 |
| 10211603 |
Surge protection element |
Eduard Dorsch, Frank Werner, Peter Bobert |
2019-02-19 |
| 9762035 |
Multi-step tube of a ceramic material and gas discharge tube made of the same |
Yu Zhang, Eric Liu, Jiaping Hong |
2017-09-12 |
| 9444227 |
Spark gap arrangement and method for securing a spark gap arrangement |
Wolfgang Däumer |
2016-09-13 |
| 8547678 |
Surge arrester having a short-circuit device |
Peter Bobert |
2013-10-01 |
| 8129648 |
Surge arrester having thermal overload protection |
Gero Zimmermann, Peter Bobert |
2012-03-06 |
| 8080927 |
Device and module for protecting against lightning and overvoltages |
Juergen Boy, Gero Zimmermann |
2011-12-20 |
| 5644465 |
Surge arrester with external short-circuit device |
Gerhard Lange, Michael D. Bluhm |
1997-07-01 |