Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5219581 | Cooling device for a blow extruder | Günter Gottwald | 1993-06-15 |
| 4938903 | Highly intensive cooling process and apparatus for the production of biaxially oriented films of high- and medium-molecular-weight thermoplastics | Georg Trunk | 1990-07-03 |
| 4439041 | Feed bushing for single-screw extruders | Dieter Hoffarth | 1984-03-27 |