Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7073737 | Tube grinder and method for comminuting lumpy grinding stock | Ludger Schulte, Frank Ungethüm, Robert Schnatz, Thomas Rüther, Ludwig Könning +4 more | 2006-07-11 |
| 5791490 | Separator for particulate materials | Otto Heinemann, Ingo Engeln, Ludger Lohnherr, Michael von Seebach, Ludger Schulte | 1998-08-11 |
| 5462234 | Grinding plant and method of grinding and classifying brittle material for grinding | Norbert Patzelt, Gotthard Blasczyk | 1995-10-31 |
| 4792393 | Spiral air sifter having air regulation | Gotthardt Blasczyk, Otto Heinemann, Norbert Bredenholler, Ludger Kimmeyer, Peter Tiggesbaumker +2 more | 1988-12-20 |
| 4694994 | Roller mill | Heinrich Henne, Gotthardt Blasczyk, Ludger Lohnherr | 1987-09-22 |