Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6422852 | Filter device for extruders and injection moulding machines | Jan-Udo Kreyenborg | 2002-07-23 |
| 5004414 | Apparatus for filtering plasticized materials in extruders and like machines | Ludger Wilken-Trenkamp | 1991-04-02 |
| 4701118 | Apparatus for filtering plasticized materials in extruders | Horst Koching | 1987-10-20 |