Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7073737 | Tube grinder and method for comminuting lumpy grinding stock | Ludger Schulte, Frank Ungethüm, Thomas Rüther, Ludwig Könning, Jens Jacob Reimers +4 more | 2006-07-11 |
| 6644479 | Method and air separator for classifying charging material reduced in size | Ludger Kimmeyer | 2003-11-11 |