Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8226806 | Electrode for electrolysis | Klaus Reiser, Stefan Schneweis | 2012-07-24 |
| 6268679 | Carbon brush for an electrical machine in a vehicle | Emmanuel Joly | 2001-07-31 |
| 5701046 | Process for the production of multi-layered brushes and brushes obtained by the process | Eric Kammerer, Lothar Biering, Erhard Grohs, Klaus Groht, Horst Siegmund +2 more | 1997-12-23 |
| 5270504 | Sliding contact member for high currrent densities | Erhard Grohs, Lothar Biering, Klaus Groht, Jurgen Spangenberg, Arwed Uecker | 1993-12-14 |
| 4806224 | Electrolytic process | Dieter Bruun, Wolfgang Dietz, Klaus Muller | 1989-02-21 |