Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5523003 | Method of introducing hydrogen into aqueous liquids without forming bubbles | Michael Sell, Michael Bischoff, Andreas Mann, Rolf-Dieter Behling, Klaus-Viktor Peinemann | 1996-06-04 |
| 5082549 | Membrane stack unit for multichamber processes | Hartwig Voss, Uwe Martens | 1992-01-21 |
| 4990230 | Membrane stack unit for multichamber processes | Hartwig Voss, Uwe Martens | 1991-02-05 |
| 4933085 | Method of manufacturing an integral asymmetrical membrane | Klaus-Viktor Peinemann, Rudolf Waldemann | 1990-06-12 |
| 4818452 | Method of manufacturing an integral asymmetrical membrane | Klaus-Viktor Peinemann, Rudolf Waldemann | 1989-04-04 |
| 4303493 | Sealing frame for stacked arrangement of exchanger membranes for electrodialysis | Walther Hilgendorff, Uwe Martens | 1981-12-01 |