Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5112585 | Process of removing flue gas cleaning residues during the wet cleaning of flue gases by drying and construction | Friedrich Dirks, Ortwin Batsch, Hans Leibold | 1992-05-12 |
| 4793831 | Process for purifying flue gases | Friedrich Dirks | 1988-12-27 |
| 4643311 | Stackable long-term storage container, preferably for radioactive waste | Gunter Hohlein, Gunter Waldenmeier, Rainer Koster, Fritz Meyer, Ulrich Pfeifer | 1987-02-17 |
| 4580694 | Sealing mechanism for a double-lid seal structure | Gunter Waldenmeier | 1986-04-08 |