Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5227070 | Textile reinforced membrane filter, method for manufacture and application | Dietmar Nussbaumer, Eberhard Wunn | 1993-07-13 |
| 4969997 | Fluid-impermeable areas on porous membrane filters and their application | Dietmar Nussbaumer, Eberhard Wunn | 1990-11-13 |
| 4392963 | Resorcinol or phloroglucinol condensation product for aqueous mixture purification | Horst Perl, Dietmar Nussbaumer, Hans Beer | 1983-07-12 |