Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8840396 | Self-propelling sprue bar shutoff device | — | 2014-09-23 |
| 8449799 | Valve gate system | — | 2013-05-28 |
| 8113818 | Valve gate system | — | 2012-02-14 |
| 7850895 | Sprue bar shutoff method | — | 2010-12-14 |
| 7775789 | Sprue bar shutoff device | — | 2010-08-17 |
| RE41280 | Adjustable valve pin assembly | — | 2010-04-27 |
| 7300275 | Multi-point nozzle assembly | — | 2007-11-27 |
| 7232307 | Internally heated nozzle for close cavity spacing injection molding applications | — | 2007-06-19 |
| 7207790 | Needle assembly with adjustable gating needle position for injection molding nozzle | — | 2007-04-24 |
| 7172410 | Adjustable valve pin assembly | — | 2007-02-06 |
| 5180594 | Internally heated sprue bushing with thermally conductive sleeve | — | 1993-01-19 |
| 5147663 | Modular manifold assembly | — | 1992-09-15 |
| 5136141 | Integral sprue bushing assembly | — | 1992-08-04 |
| 5098280 | Sprue bushing with displaceable gating needle | — | 1992-03-24 |
| 5055028 | Internally heated torpedo with internal melt distribution chamber | — | 1991-10-08 |
| 5052100 | Method of making sprue bushing assembly with inner thermal sleeve | — | 1991-10-01 |
| 4988848 | Ceramic heater element for dual zone sprue bushing | — | 1991-01-29 |
| 4906360 | Multi-stage injection molding filter | — | 1990-03-06 |
| 4899435 | Sprue bushing assembly and method of making same | — | 1990-02-13 |
| 4900560 | Multi-gate molding heater assembly | — | 1990-02-13 |
| 4882469 | Internally heated sprue bushing assembly with a unitary bushing casing core element | — | 1989-11-21 |