Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6442932 | Method and device for the catalytic reduction of nitrogen oxides contained in the off-gas from a combustion system | Lothar Hofmann, Gunther Pajonk, Gerhard Wissler | 2002-09-03 |
| 6408619 | Method and device for reducing the nitrogen oxides in the exhaust gas of a combustion system | Gerhard Wissler, Gunther Pajonk, Lothar Hofmann | 2002-06-25 |