Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4781560 | Apparatus for reducing wastage in a multiple-head extrusion device | — | 1988-11-01 |
| 4693855 | Method for reducing wastage in a multiple-head extrusion device | — | 1987-09-15 |
| 4619599 | Extrusion head | Klaus Bellmer, Jobst Trocha | 1986-10-28 |
| 4548568 | Extrusion head | Dietmar Anders, Gunter Meier | 1985-10-22 |
| 4358262 | Filter or tool-changing device for screw extruders | — | 1982-11-09 |