Issued Patents 2025
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12312913 | Positional-release mechanism for a downhole tool | William Ryan Sisak, Brian W. Walther | 2025-05-27 |
| 12297929 | Hydraulic trigger for isolation valves | Brian W. Walther | 2025-05-13 |
| 12276352 | Hydraulic trigger with locked spring force | Brian W. Walther, Rannie Dong | 2025-04-15 |