Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11408258 | Hydraulic underbalance initiated safety firing head, well completion apparatus incorporating same, and method of use | Frank Haron Preiss | 2022-08-09 |
| 11339614 | Alignment sub and orienting sub adapter | Christian Eitschberger | 2022-05-24 |