Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9850742 | Reclosable sleeve assembly and methods for isolating hydrocarbon production | Adam Beck, Robert L. Thurman, Ellen Thurman | 2017-12-26 |
| 9587462 | Safety valve system for cable deployed electric submersible pump | Frank Giusti, Jr., James Dan Vick, Jr., Leo G. Collins, Gary L. Stephenson | 2017-03-07 |
| 8833468 | Circulation control valve and associated method | — | 2014-09-16 |
| 7926573 | Circulation control valve and associated method | Jimmie R. Williamson, Jr. | 2011-04-19 |