Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690834 | Process and apparatus for separating off suspended matter from liquids | Gerhard Muller, Friedhelm Zorn | 1997-11-25 |
| 5431895 | Process for the removal of lead and cadmium from phosphoric acid | Dirk C. Vermaire, Bernardus J. Damman | 1995-07-11 |
| 4851134 | Process and apparatus for the removal of solid particles from liquid chlorinated hydrocarbons | Walter Frohlich, Rolf Holtermann, Reinhard Krumbock | 1989-07-25 |
| 4260495 | Process for the filtration of zeolite suspensions | Dieter Schmid | 1981-04-07 |