Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8298301 | Method and device for producing a maintenance-free battery having a fixed electrolyte | Dirk Schroder, Albert Schulte | 2012-10-30 |
| 7722834 | Recombiner system | Bernhard Riegel, Eduardo Cattaneo | 2010-05-25 |
| 6635386 | Process for producing an industrial electrolyte for lead storage batteries in the form of a thixotropic gel | Eberhard Nann | 2003-10-21 |
| 4643235 | Method for making oxygen electrode for alkaline galvanic cells | Peter Schmoede, Detlef Katryniok | 1987-02-17 |
| 4507367 | Galvanic element, particularly a metal-air cell | Detlef Katryniok, Hugo Pack | 1985-03-26 |
| 4490443 | Battery having electrolyte supply reservoir and activation tank disposed in a battery housing | Detlef Katryniok | 1984-12-25 |
| 4463064 | Galvanic element, especially metal-air-cell | Detlef Katryniok, Hugo Pack, Heinz Tillmann | 1984-07-31 |
| 4421322 | Combination knife-edge and areal contact lip seal for movable electrodes | Josef Nelles | 1983-12-20 |