Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11434710 | Liner hanger and method | Srihari Chebolu, Evan Lowe | 2022-09-06 |
| 4624311 | Locking mechanism for hydraulic running tool for well hangers and the like | — | 1986-11-25 |
| 4479544 | Pressure actuated pack-off and method | Rudy B. Callihan, Gary A. Miller | 1984-10-30 |
| 4393931 | Combination hydraulically set hanger assembly with expansion joint | John F. Muse, Rudy B. Callihan, Clyde Wainwright | 1983-07-19 |