Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11421508 | Fracturing valve systems and methods | Adam J. Christopherson, Michael Krejci, Pawan Malli, Nicholas Ruff, Delbert Edwin Vanderford +2 more | 2022-08-23 |
| 10961801 | Fracturing systems and methods with rams | Adam J. Christopherson, Nicholas Ruff, Michael Krejci, Gary R. Schaeper, Kirk P. Guidry +1 more | 2021-03-30 |
| 9382774 | Compact surface wellhead system and method | Michael Larkin, Kirk P. Guidry, Delbert Edwin Vanderford | 2016-07-05 |
| 9133841 | Progressing cavity stator with metal plates having apertures with englarged ends | Derek L. Twidale, Majid S. Delpassand, Allen T. Le | 2015-09-15 |