Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6878359 | Process and device for the selective catalytic reduction of nitrogen oxides in an oxygen-containing gaseous medium | Wieland Mathes, Klaus Rusch, Petra Anette Rusch, Ralf Sigling | 2005-04-12 |
| 6620391 | Process for the catalytic cleaning of the exhaust gas from a combustion plant | Lothar Hofmann, Kurt Schardt, Wieland Mathes | 2003-09-16 |
| 6444177 | Process and device for the catalytic cleaning of the exhaust gas from a combustion plant | Lothar Hofmann, Kurt Schardt, Wieland Mathes | 2002-09-03 |