Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6709147 | Intermeshing element mixer | — | 2004-03-23 |
| 6136246 | Screw extruder with improved dispersive mixing elements | Paul J. Gramann, Bruce Davis, Tim Andreas Osswald | 2000-10-24 |
| 5932159 | Screw extruder with improved dispersive mixing | — | 1999-08-03 |
| 5909958 | Screw extruder with independently adjustable groove depth | — | 1999-06-08 |
| 4237441 | Low resistivity PTC compositions | Peter V. van Konynenburg, Andrew N. Au, Alan J. Gotcher | 1980-12-02 |