Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12222163 | Cooler for cooling bulk material | Ludwig Koenning, Stefanie Richter, Michael Streffing, Rolf Rieger, Frank Crabus +1 more | 2025-02-11 |
| 11549752 | Cooler for cooling hot bulk material and method for preventing grate riddlings in a cooler | Daniel Frerich, Rolf Rieger, Norbert Avermann, Matthias Dowe | 2023-01-10 |