Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7497396 | Grinding roller for the pressure comminution of granular material | Christian Splinter, Meinhard Frangenberg, Dieter Brendler | 2009-03-03 |
| 7300007 | Circulating grinding plant comprising a mill and a sifter | Alexander Hagedorn, Christian Splinter, Meinhard Frangenberg | 2007-11-27 |
| 5704561 | Wear-resistant hard-surfacing for the rolls of high-pressure roll presses for size reduction of granular material | Jakob Ansen, Ludger Alsmann, Michael Wollner | 1998-01-06 |
| 5601520 | Wear-resistant hard-surfacing for the rolls of high-pressure roll presses | Michael Wollner, Ludger Alsmann | 1997-02-11 |
| 5158182 | Sifter | Albert Suessegger, Albrecht Wolter | 1992-10-27 |