Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE44826 | Screw extruder mechanism, in particular twin-screw extruder mechanism, for the processing of strongly outgassing materials | Jan Keulen, Horst Eggerl | 2014-04-08 |
| 6419864 | Method of preparing filled, modified and fiber reinforced thermoplastics and twin screw extruder for putting the method into practice | Bernhard Scheuring, Daniel Schwendemann | 2002-07-16 |
| 6048088 | Multi-shaft screw-type extruder, in particular twin-shaft extruder | Gerhard Weihrich, Ulrich Burkhardt | 2000-04-11 |
| 6042260 | Method of carrying out continuous preparation processes on tightly meshing extruders rotating in the same sense | Peter Heidemeyer, Rainer Munz, Rainer Herter, Ulrich Burkhardt | 2000-03-28 |
| 6024479 | Screw extruder mechanism, in particular twin-screw extruder mechanism, for the processing of strongly outgassing materials | — | 2000-02-15 |
| 4863363 | Throttling device for a twin-shaft srew-type extruder | — | 1989-09-05 |
| 4824256 | Co-rotating twin-screw kneaders with kneading disks | Gerhard Weihrich, Wolfgang Worz | 1989-04-25 |