Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12328080 | Boost converter state control | Ismail Agirman | 2025-06-10 |
| 12203342 | Wash tool apparatus and method of using the same | Earl H. Dearborn, Stanley Evans, John M. Piercy | 2025-01-21 |
| 11938592 | High-pressure abrasive fluid injection using clear fluid pump | Earl H. Dearborn, John M. Piercy | 2024-03-26 |
| 10174594 | Jet perforating and cutting method | Lonnie S. Rhoads, James F. Farr | 2019-01-08 |
| 9822616 | Pressure actuated flow control in an abrasive jet perforating tool | — | 2017-11-21 |
| 9822615 | Apparatus and method for jet perforating and cutting tool | Lonnie S. Rhoads, James F. Farr | 2017-11-21 |
| 9416610 | Apparatus and method for abrasive jet perforating | — | 2016-08-16 |
| 9353597 | Apparatus and method for isolating flow in a downhole tool assembly | Barrett Tucker | 2016-05-31 |
| 9291038 | Apparatus and method for high pressure abrasive fluid injection | Henry Wohltjen | 2016-03-22 |
| 8925653 | Apparatus and method for high pressure abrasive fluid injection | Henry Wohltjen | 2015-01-06 |
| 8757262 | Apparatus and method for abrasive jet perforating and cutting of tubular members | — | 2014-06-24 |
| 7963332 | Apparatus and method for abrasive jet perforating | James F. Farr | 2011-06-21 |
| 6668948 | Nozzle for jet drilling and associated method | William G. Buckman, Sr., Michael D. McDaniels, Wendell S. Bell | 2003-12-30 |