Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12241329 | Automatic slip-style casing hanger for use with surface wellheads | Richard Bridwell | 2025-03-04 |
| 11898644 | Frac transfer diverter valve | James E. Cook, Jeffrey Partridge | 2024-02-13 |
| 11261686 | Tension latch tubing hanger apparatus | Roman Chirko, Cassandra E. Weimer | 2022-03-01 |
| 11142993 | Testable back pressure valve and pressure testing system therefor | Gareth Boyd | 2021-10-12 |
| 11105175 | Adjustable frac flow line | Roman Chirko, Dan Fink | 2021-08-31 |
| 9939089 | Bi-directional seal assembly | — | 2018-04-10 |
| 9140388 | Bi-directional seal assembly | — | 2015-09-22 |
| 7231983 | Split locking ring for wellhead components | Huy LeQuang, Joseph Shu Yian Liew, Hoa Nguyen, Kevin Kok Sum Lim | 2007-06-19 |