Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5895520 | Method of separating noxious substances from exhaust gases | Volker Hohmann, Hans-Jochen Fell | 1999-04-20 |
| 5256384 | Activated carbon process for removing hydrogen sulfide from gases | Peter Cornel, Rainer Lell, Klaus Stetzer, Gabriele Neuroth | 1993-10-26 |
| 4483772 | Process for treating aqueous effluents | Hans Hitzel, Andries Brink | 1984-11-20 |
| 4240927 | Reactor for the continuous thermal treatment of solids, particularly carbonaceous adsorbents and process of operating the same | Joachim Karweil, Josef Degel | 1980-12-23 |