Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8601634 | Pig valve having trunnion supported ball, self-centering seats and universal type mounting flanges | — | 2013-12-10 |
| 7690626 | Ball valve having self-centering seats | — | 2010-04-06 |
| 6669171 | Compact manifold trunnion ball valve | — | 2003-12-30 |
| 4637421 | In-line repairable top entry ball valve | — | 1987-01-20 |
| 4566482 | Top entry trunnion ball valve | — | 1986-01-28 |