Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9099714 | Electrical storage battery having spring damping element | Kai Pelz, Ralf Joswig, Martin Wiegmann | 2015-08-04 |
| 7879487 | Battery having sealed contact terminal bushing | Kai Pelz, Ralf Joswig | 2011-02-01 |
| 7867292 | Prismatic rechargeable battery and method for producing such a battery | Ralf Joswig, Kai Pelz | 2011-01-11 |
| 7790310 | Prismatic rechargeable battery | Ralf Joswig, Kai Pelz | 2010-09-07 |
| 6866962 | Sealed rechargeable battery | Uwe Kohler | 2005-03-15 |
| 6511517 | Method for producing a secondary lithium cell comprising a heat-sensitive protective mechanism | Matthias Ullrich, Heinrich Rabenstein, Thomas Brohm | 2003-01-28 |
| 6428929 | Negative electrode for high-energy lithium-ion batteries and method of production | Jürgen Koy, Bernhard M. Metz, Roland Wagner | 2002-08-06 |
| 6007944 | Rechargeable lithium-ion cell | Dietrich Bartke, Peter Kramer, Reiner Kretzschmar, Jurgen Vollbert | 1999-12-28 |
| 5766798 | Prismatic galvanic cell having a current topping lug | Klaus Brandt, Dietrich Bartke, Jorg Kumpers, Frank Mengel, Jurgen Vollbert | 1998-06-16 |
| 5338596 | Process for producing a lead storage battery with a thixotropic gel electrolyte | Jurgen Vollbert | 1994-08-16 |
| 4769198 | Process and apparatus for the plastic injection coating of cell poles of finished plate groups | Rudolf Eckardt | 1988-09-06 |
| 4729542 | Mold for producing connecting straps for lead batteries | — | 1988-03-08 |
| 4666800 | Cover for a battery cell | Rudolf Eckardt | 1987-05-19 |
| 4430394 | Separator for storage battery | — | 1984-02-07 |