Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6162280 | Process for heat treatment of organically contaminated material | Johann Lehner, Oskar Pammer, Hans Stiasny, Hubert Zellner, Wolfgang Trimmel | 2000-12-19 |
| 5116588 | Process for reduction of sulfur emission during sintering processes | Horst Sulzbacher, Harald Derler | 1992-05-26 |