Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12398811 | Double piece retainer for compact valve | Troy Callahan | 2025-08-26 |
| 12181073 | Method and apparatus for a choke valve and operation of a choke valve | — | 2024-12-31 |
| 12000506 | Double piece retainer for compact valve | Troy Callahan | 2024-06-04 |
| 11441698 | Method and apparatus for a choke valve and operation of a choke valve | — | 2022-09-13 |
| 11378190 | Double piece retainer for compact valve | Troy Callahan | 2022-07-05 |
| 10753508 | Method and apparatus for a choke valve and operation of a choke valve | — | 2020-08-25 |
| 10718437 | Double piece retainer for compact valve | Troy Callahan | 2020-07-21 |
| 10066762 | Method and apparatus for a choke valve and operation of a choke valve | — | 2018-09-04 |
| 10060538 | Double piece retainer for compact value | Troy Callahan | 2018-08-28 |
| 9638333 | Method and apparatus for a choke valve and operation of a choke valve | — | 2017-05-02 |
| 9605788 | Method and apparatus for removing, repairing, refurbishing, replacing, and/or installing valve between two fixed spool pieces | Lynn A. Ledet | 2017-03-28 |
| 9297458 | Method and apparatus for a choke valve and operation of a choke valve | — | 2016-03-29 |
| 9267615 | Method and apparatus for removing, repairing, refurbishing, replacing, and/or installing valve between two fixed spool pieces | Lynn A. Ledet | 2016-02-23 |
| 6557577 | Threaded union safety device and method | Durell Kraemer | 2003-05-06 |
| 6283152 | Multiple sleeve valve assembly | Kane J. Corte | 2001-09-04 |
| 5241980 | Oil field choke apparatus | — | 1993-09-07 |