Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12151416 | Plasticating and injection molding system | — | 2024-11-26 |
| 8734146 | Miniature automatic shutoff nozzle tip | — | 2014-05-27 |
| 7527493 | Precise control non-return valve | — | 2009-05-05 |
| 6752528 | Plasticating screw for efficient melting and mixing of polymeric material | — | 2004-06-22 |
| 6499987 | Positive control non-return valve for an injection molding machine | Robert E. Tompkins | 2002-12-31 |
| 5816698 | Screw and plasticating apparatus and method | Timothy W. Womer, Michael J. Senediak | 1998-10-06 |
| 5439633 | Plastic extruder having a mixing valve with automatic shut-off | Shawn P. Bodnar, Timothy W. Womer | 1995-08-08 |
| 5188399 | Pipe coupling device and method | — | 1993-02-23 |
| 5164207 | Plastic extruder with automatic shut-off valve | — | 1992-11-17 |
| 5096302 | Plastic feeding device and method | — | 1992-03-17 |
| 4944906 | Methods of injection molding and extruding wet hygroscopic ionomers | Paul N. Colby | 1990-07-31 |