Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10465470 | Radially expandable ratcheting body lock ring for production packer release | Preston B. Lofgren, Luis J. Ramos | 2019-11-05 |
| 10030468 | Radially expandable ratcheting body lock ring for production packer release | Preston B. Lofgren, Luis J. Ramos | 2018-07-24 |
| 9885219 | Non-releasing anchor tool when jarring up on a stuck subterranean tool component | Christy A. Haynes | 2018-02-06 |