Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8753519 | Removal of silicon from brine | Werner Pohl, Christoph Stegemann, Sami Petteri Pelkonen | 2014-06-17 |
| 7351317 | Electrolytic cell comprising an interior trough | Karl-Heinz Dulle, Peter Woltering, Frank Funck, Martin Wollny, Randolf Kiefer +4 more | 2008-04-01 |
| 7226885 | Method for producing gas diffusion electrodes | Kosmas Janowitz, Torsten Dresel, Peter Woltering, Roland Beckmann, Randolf Kiefer +3 more | 2007-06-05 |
| 5516209 | Disposable static mixing device with a reusable housing | Theodore R. Flint | 1996-05-14 |