Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6058619 | Process and apparatus for drying material with indirectly heated driers and for decontaminating waste gas | Erwin Brunnmair, Peter Joseph Commerford | 2000-05-09 |
| 5966838 | Process and apparatus for drying material with indirectly heated driers and for decontaminating waste gas | Erwin Brunnmair, Peter Joseph Commerford | 1999-10-19 |
| 5318184 | Sludge drying system | — | 1994-06-07 |
| 5309849 | Sludge drying system with recycling exhaust air | — | 1994-05-10 |