Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10615402 | Battery water-refill plug | Joachim Gruppe, Thomas Koch, Sebastian MATHES, Peter Steffahn, Sebastian Weny | 2020-04-07 |
| 10031185 | Method for determining a state of charge and remaining operation life of a battery | Rainer Bussar, Wolfgang Rudolf Fischer, Thomas P. Hopper, Nicolas Henri Bernard Redon, Olaf Sielemann +1 more | 2018-07-24 |
| 4937156 | Process for introducing a hardening sulfuric acid electrolyte into battery cells | Klaus Boeller, Gerd Poesch | 1990-06-26 |