Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5860609 | Wear-resistant surface armoring for the rolls of high-pressure roll presses for the pressure disintegration of granular material | Erich Sommer, Ludger Alsman, Gustav Buchholz, Meinhard Frangenberg | 1999-01-19 |
| 5417374 | System and method for pressure treatment of granular material | Peter Kranz, Kunibert Laufs, Werner Ewald | 1995-05-23 |
| 5114131 | Circulation-type grinding system for grinding brittle material | Siegfried Strasser, Albrecht Wolter | 1992-05-19 |