Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7347965 | Apparatus and method for injection molding | — | 2008-03-25 |
| 6811391 | Electrically driven apparatus for ejecting injection molded parts | David Bernardi, Todd W. Brown | 2004-11-02 |
| 6471904 | Method for electrically operated plastics injection | Norman L. Steffens | 2002-10-29 |
| 6200127 | Bi-directional check ring for a two-stage injection unit | — | 2001-03-13 |
| 6193499 | Electrically operated injection apparatus | Norman L. Steffens | 2001-02-27 |
| 6120277 | Hybrid injection molding machine | — | 2000-09-19 |
| 6086353 | Two-stage electric injection unit with rotating plunger | — | 2000-07-11 |
| 5916602 | Injection molding machine having a hydraulically operated clamping system | — | 1999-06-29 |
| 5863567 | Two-stage electric injection unit for a molding machine | — | 1999-01-26 |