Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6074084 | Extruder for plastics | — | 2000-06-13 |
| 4892691 | Extrusion method and apparatus for producing a foamable mixture of plastics material | — | 1990-01-09 |
| 4730935 | Extrusion apparatus for the production of mixtures of molten synthetic material | — | 1988-03-15 |
| 4615664 | Apparatus for producing expanded thermoplastic materials | — | 1986-10-07 |
| 4431311 | Extrusion apparatus for the production of foamed synthetic material | — | 1984-02-14 |
| 4214862 | Screw extruder for the continuous extrusion of thermoplastic materials | — | 1980-07-29 |