Issued Patents All Time
Showing 76–80 of 80 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9309734 | Multi-position weight down locating tool | William Mark Richards | 2016-04-12 |
| 9085962 | Snorkel tube with debris barrier for electronic gauges placed on sand screens | William Mark Richards | 2015-07-21 |
| 8789588 | Multi-position weight down locating tool | William Mark Richards | 2014-07-29 |
| 8596368 | Resettable pressure cycle-operated production valve and method | — | 2013-12-03 |
| 8596365 | Resettable pressure cycle-operated production valve and method | — | 2013-12-03 |