Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7895769 | Method and a plant for thermally drying wet ground raw meal | Klaus Kühne | 2011-03-01 |
| 5878676 | Burner and furnace operated with at least one burner | Hans-Ulrich Thierbach | 1999-03-09 |