Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7595033 | Regeneration of nt-scr catalysts | Sandrine Person | 2009-09-29 |
| 5925165 | Process and apparatus for the 3-stage treatment of solid residues from refuse incineration plants | Karl Heinz Pflugl, Norbert Kiethe, Ernst Hugentobler, Hans Ruegg, Anton Mayer +2 more | 1999-07-20 |
| 5765489 | Process for the treatment of solid residue from refuse incineration plants, and apparatus for performing the process | Ernst Hugentobler, Hans Ruegg, Karl Heinz Pflugl, Norbert Kiethe, Anton Mayer +2 more | 1998-06-16 |
| 5069886 | Process and installation for the recovery of ammonia during the separation of nitrogen oxide from waste gases | Hans Ruegg | 1991-12-03 |