Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6015226 | Screw-type extrusion machine having tie rods loaded by a pre-stressed spring system | Ulrich Weller | 2000-01-18 |
| 5797677 | Screw-type extruding machine having a screw element defining a groove with an expansion region at each end thereof | Gerhard Weihrich, Wolfgang Woerz, Reinhard Wuttke | 1998-08-25 |
| 5679380 | Underwater pelletizing die plate | Rainer Munz | 1997-10-21 |