Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6557819 | Roll seal control valve | — | 2003-05-06 |
| 6328071 | Well pressure tank | — | 2001-12-11 |
| 6276658 | Roll seal control valve | — | 2001-08-21 |
| 6109296 | Dribble flow valve | — | 2000-08-29 |
| 5988984 | Method and apparatus for liquid control system having a valve with a notch in the seal for enabling a sufficient fluid to pass through when the seal is fully closed to cool the pump and/or motor | — | 1999-11-23 |