Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5680824 | Process for burning solids with a sliding firebar system | Thomas Nikolaus, Jakob Stiefel | 1997-10-28 |
| 5676071 | Method and device for introducing a liquid or gaseous treatment medium into a flue gas flow | Stefan Horler, Thomas Nikolaus | 1997-10-14 |