Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9976704 | Device for actuating pressure relief valve | — | 2018-05-22 |
| 9933075 | Sealing system for a well valve | Joseph A. Beisel | 2018-04-03 |
| 9022058 | Particulate-tolerant valve comprising one or more recesses capable of containing the particulate | Joseph A. Beisel | 2015-05-05 |
| 8657547 | Hammer union wing nut | — | 2014-02-25 |
| 8118528 | Field replaceable hammer union wing nut apparatus and method | — | 2012-02-21 |