Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9129768 | Multipole electrical switching device | Jörg-Uwe Dahl, Ludvik Godesa, Andreas Hierl, Siegfried Pirker | 2015-09-08 |
| 9111699 | Electrical switch | Jürgen Birner, Walter Felden, Bernhard Hannich | 2015-08-18 |
| 8680409 | Electric switch | Jürgen Birner, Walter Felden, Bernhard Hannich, Johannes Hauer, Andreas Hierl +2 more | 2014-03-25 |
| 6683764 | Arc extinguishing aid | — | 2004-01-27 |
| 6207916 | Electric arc explosion chamber system | Claus Schulze | 2001-03-27 |