Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7350766 | Knife gate valve with multi-piece elastomer liner and/or o-rings at flange interface | Jody W. Powell | 2008-04-01 |
| 7059586 | Knife gate valve having elastomeric gate and chest seals | Christopher Vanderberg, Shaine Reeves, Timothy Sumrall | 2006-06-13 |