Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6227692 | Double wave screw | — | 2001-05-08 |
| 4988281 | Valve assembly for injection molding machine | Hartmut Roetzel | 1991-01-29 |
| 4848920 | Static mixer | Pierre Pinet | 1989-07-18 |
| 4770539 | Barrier screw | — | 1988-09-13 |
| 4518205 | Sliding bearing | — | 1985-05-21 |