Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9303779 | Slam shut safety device with guided plug support | Tung K. Nguyen, Cristian-Tiberiu Moldovan, Roman Alexandru-Vlad, Michel Bouvry, David E. Woollums | 2016-04-05 |
| 9212753 | Slam shut safety device with guided valve disc | Cristian-Tiberiu Moldovan, Michel Bouvry, Roman Alexandru-Vlad, David E. Woollums, Tung K. Nguyen | 2015-12-15 |
| 8397743 | Internal relief valve apparatus for use with fluid regulators | James C. Hawkins | 2013-03-19 |
| 4889158 | Pressure/flow compensated direct acting pressure regulator | Donald D. Rice, James C. Hawkins | 1989-12-26 |