Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10161531 | Dust and abrasive materials gate valve with an angled valve seat | — | 2018-12-25 |
| 9599231 | Double flap valve with quick-change replaceable wear surface | Kevin Guay | 2017-03-21 |
| 8128095 | Mechanical shaft seal | Patrick Noel, Jeffrey S. Spooner | 2012-03-06 |