Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4917873 | Process and apparatus for cleaning hot gases | Wolfgang Heidrich | 1990-04-17 |
| 4915922 | Process for preparation of oxidazable oxides of nitrogen from waste gas streams | — | 1990-04-10 |
| 4278645 | Method of purifying hot gases | — | 1981-07-14 |
| 4214881 | Device for cleaning hot gases | — | 1980-07-29 |