Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5125823 | Apparatus for filtering plasticized materials | — | 1992-06-30 |
| 5122286 | Filter changing apparatus for flowable plastic material | Manfred Hangmann, Ludger Wilken-Trenkamp | 1992-06-16 |
| 4725215 | Extruder with exchangeable filter for foamed plastic material | Horst Koching | 1988-02-16 |