Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5056925 | Extruder screws and method for accelerating melting in plasticating extruders | — | 1991-10-15 |
| 4637790 | Multiple-stage plasticating extruders | — | 1987-01-20 |
| 4472059 | Reduced wear plasticating extruder screw conveyors | Reuben Klein | 1984-09-18 |
| 4449906 | Extrusion nozzle arrangement | Boleslaw Sienkiewicz, Franklin Kramer, C. G. Peter Oldershaw, Locus Y. Chuang | 1984-05-22 |
| 4387997 | Plasticating extruder screw conveyors | Reuben Klein | 1983-06-14 |
| 4309114 | Method for attaining maximum production effectiveness in a plasticating extruder | Reuben Klein | 1982-01-05 |
| 4309115 | Method and apparatus for improved solids conveying in plasticating extruders | Reuben Klein | 1982-01-05 |
| 4290702 | Plasticating apparatus for molding devices | Reuben Klein | 1981-09-22 |