Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12173802 | Anti-rotation fluid injection dart | Zhi Yong He | 2024-12-24 |
| 11603937 | Anti-rotation fluid injection dart | Zhi Yong He | 2023-03-14 |
| 11105165 | Downhole device including a fluid propulsion system | Zhi Yong He, Yuh Loh, Jason M. Harper, Ronnie D. Russell | 2021-08-31 |
| 10954724 | Axial and rotational alignment system and method | Michael S. Manera, Carlos Rivero, Marc Samuelson | 2021-03-23 |
| 10760713 | Flexible protector and method | Yuh Loh, Lorn Rendall, Thomas McClain Scott | 2020-09-01 |
| 10662737 | Fluid injection valve | Yuh Loh | 2020-05-26 |
| 10472926 | Pressurized seat check valve | Marc Samuelson, Zhi Yong He, Gregory A. Armstrong, Donavan Brown | 2019-11-12 |
| 9617807 | Chain service indicator | — | 2017-04-11 |
| 9537296 | Cable retainer and method | Luis E. Mendez | 2017-01-03 |
| 9428973 | Quick-release gripping insert assembly | — | 2016-08-30 |
| 8820399 | Modular coiled tubing unit | M. Brett Witte | 2014-09-02 |