Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6368566 | Flue gas pipe and method for treating flue gas | Erich Hums, Andreas Klatt, Horst Spielmann, Christoph BRANDT | 2002-04-09 |
| 5678625 | Method and apparatus for a regenerative heat exchanger for the treatment of pollutant-containing waste gases | Siegfried Schluter | 1997-10-21 |