Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8360096 | Low pressure rise rate pilot operated poppet relief valve | Dennis O. Courtright, Davide I. Davoli | 2013-01-29 |
| 7591283 | Low rise rate direct acting relief valve | Dennis O. Courtright, Davide I. Davoli | 2009-09-22 |