Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5620130 | Process for producing a die plate for underwater granulation of plastic material with an intermediate nickel alloy layer | Friedrich Schneider | 1997-04-15 |
| 4824256 | Co-rotating twin-screw kneaders with kneading disks | Erwin Haring, Gerhard Weihrich | 1989-04-25 |
| 4754539 | Method and extractor device for separating worm elements of an extruder from a worm shaft | Arno Knoll, Gerhard Pfaff | 1988-07-05 |