Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6371750 | Device for smoothing and cooling or cooling of an extruded material sheet | — | 2002-04-16 |
| 6210145 | Calender for a material sheet from thermoplastic material | — | 2001-04-03 |
| 5516206 | Charging apparatus including a feed chute and tamping tool bent in a circular arc shape for inner mixers, helical extruders, or the like | Wolfgang Engel | 1996-05-14 |