Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5588829 | Thrust grating cooler and method for cooling hot material | Hans-Juergen Stahl, Reimer Doege, Richard Schneider, Ralf Filges | 1996-12-31 |
| 5433157 | Grate plate for thrust grating coolers for cooling hot material | Claus Bauer, Ralf Filges | 1995-07-18 |
| 5419698 | Device for heat treatment of bulk materials | — | 1995-05-30 |