Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8172168 | Roller grinding mill | Dirk Hoffmann, Karl-Heinz Schuette, Hardy Lessmeister, Thomas Hoster | 2012-05-08 |
| 7926754 | Safety systems for roller mills | Dirk Hoffmann, Karl-Heinz Schuette | 2011-04-19 |
| 5592395 | Method and apparatus for determining and extending a change interval for an operating fluid of a unit | Fritz Braun, Ursula Felger, Jakob Wojtacki | 1997-01-07 |
| 4744685 | Thermal transfer ribbon and method of making same | Norbert Mecke, Rudiger Weiss | 1988-05-17 |