Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9506312 | Blowout preventer test joint assembly, for testing variable bore rams, shear rams, and annulars | Brian Williams | 2016-11-29 |
| 9470082 | Blowout-preventer-stack one-trip test tool and method | Brian Williams | 2016-10-18 |