Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10436327 | Bi-directional seal assembly for use with valves | — | 2019-10-08 |
| 10054227 | Bi-directional seal assembly for use with valves | — | 2018-08-21 |
| 8714560 | Bidirectional seal assembly for use with valves | — | 2014-05-06 |
| 6953182 | Retainer lock nut for fluid pressure control device | Michel K. Lovell, Michael M. Anderson | 2005-10-11 |
| 6840520 | Valve plug seal assembly | Ted Dennis Grabau, Kimball R. Barron | 2005-01-11 |