Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12031411 | Downhole catching apparatus and method | Joseph Clark | 2024-07-09 |
| 11028666 | Apparatus for isolating one or more zones in a well | — | 2021-06-08 |
| 9121251 | Valve for hydraulic fracturing through cement outside casing | Stephen L. Jackson | 2015-09-01 |
| 8915300 | Valve for hydraulic fracturing through cement outside casing | Stephen L. Jackson | 2014-12-23 |
| 8616285 | Step ratchet fracture window system | Donald W. Tinker | 2013-12-31 |
| 8267178 | Valve for hydraulic fracturing through cement outside casing | Stephen L. Jackson | 2012-09-18 |
| 7591305 | Patriot retrievable production packer | Robert L. Brookey | 2009-09-22 |
| 7082991 | Slip spring with heel notch | Robert L. Brookey | 2006-08-01 |