Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11292177 | Cooling device with a cooling gas ring and a flow guiding device | Richard Zimmermann | 2022-04-05 |
| 9457526 | Calibration device for calibrating an extruded film tube | Richard Zimmermann | 2016-10-04 |
| 7883327 | Device for producing blown film | Richard Zimmerman | 2011-02-08 |