Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9029001 | Separator for gel electrolyte storage batteries | Georg Meckl, Harald Niepraschk, Peter Nemec-Losert | 2015-05-12 |
| 7951475 | Vent valve for acid batteries | Wolfgang Imhof, Christian Recker | 2011-05-31 |
| 6962761 | Vibration-resistant accumulator and method of its manufacture | Wolfgang Imhof, Gunter Schmidt-Lukasch | 2005-11-08 |