Issued Patents All Time
Showing 1–25 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12055003 | Advanced loading method for ball rotation cutting and method of use therefor | Darrin N. Towers, Benjamin Thomas Derryberry | 2024-08-06 |
| 11965394 | Subsea test tree fast ball actuation with low pressure pump through capability | Ryan A. Turner, Darrin N. Towers | 2024-04-23 |
| 11788378 | Locally powered electric ball valve mechanism | Darrin N. Towers, Benjamin Thomas Derryberry | 2023-10-17 |
| 11506048 | Perforating gun assembly for use within a borehole | Paul D. Ringgenberg, Adan Hernandez Herrera | 2022-11-22 |
| 11346209 | Downhole interventionless depth correlation | Donald G. Kyle, Paul D. Ringgenberg, Vincent P. Zeller, Adam Harold Martin, Kevin Michael Renkes +1 more | 2022-05-31 |
| 10961817 | Electrohydraulic quick union for subsea landing string | Russell Stephen Haake, Stevan Jaye Sparks, Steven B. Scheibel, Benjamin Thomas Derryberry, Darrin N. Towers | 2021-03-30 |
| 10053976 | Localized wireless communications in a downhole environment | Tu Nguyen | 2018-08-21 |
| 10006270 | Subsea mechanism to circulate fluid between a riser and tubing string | Donald H. Perkins | 2018-06-26 |
| 8818776 | System and method for downhole tool system development | Harold Kent Beck, David Russ Larimore, Brandon Beau Beaver, Alexander G. Krasovsky, Darrin N. Towers | 2014-08-26 |
| 8706463 | System and method for completion optimization | Jason D. Dykstra, Orlando DeJesus, Michael Linley Fripp, Syed Hamid, Tommy Frank Grigsby | 2014-04-22 |
| RE42733 | Wear-resistant, variable diameter expansion tool and expansion methods | John C. Gano, Darrin N. Towers, Ralph H. Echols, Perry C. Shy | 2011-09-27 |
| 7363967 | Downhole tool with navigation system | Wesley J. Burris, II, Phillip M. Starr, Michael Linley Fripp, John J. Goiffon, John H. Hales +2 more | 2008-04-29 |
| 7353879 | Biodegradable downhole tools | Bradley L. Todd, Phillip M. Starr, Loren Swor, Trinidad Munoz | 2008-04-08 |
| 7322416 | Methods of servicing a well bore using self-activating downhole tool | Wesley J. Burris, II, Phillip M. Starr, Michael Linley Fripp, John J. Goiffon, John H. Hales +2 more | 2008-01-29 |
| 7210533 | Disposable downhole tool with segmented compression element and method | Phillip M. Starr, Loren Swor | 2007-05-01 |
| 6808024 | Downhole seal assembly and method for use of same | Darrin N. Towers, Brian D. Higgins, Beegamudre N. Murali | 2004-10-26 |
| 6722427 | Wear-resistant, variable diameter expansion tool and expansion methods | John C. Gano, Darrin N. Towers, Ralph H. Echols, Perry C. Shy | 2004-04-20 |
| 6450263 | Remotely actuated rupture disk | — | 2002-09-17 |
| 6367547 | Downhole separator for use in a subterranean well and method | Darrin N. Towers | 2002-04-09 |
| 6279651 | Tool for managing fluid flow in a well | Darrin N. Towers | 2001-08-28 |
| 6125938 | Control module system for subterranean well | Virgilio Garcia-Soule | 2000-10-03 |
| 5894890 | Normally closed retainer valve with fail-safe pump through capability | Virgilio Garcia-Soule, Darrin N. Towers | 1999-04-20 |
| 5884707 | Normally closed retainer valve with fail-safe pump through capability | Virgilio Garcia-Soule, Darrin N. Towers | 1999-03-23 |
| 5884708 | Normally closed retainer valve with fail-safe pump through capability | Virgilio Garcia-Soule, Darrin N. Towers | 1999-03-23 |
| 5884703 | Normally closed retainer valve with fail-safe pump through capability | Virgilio Garcia-Soule, Darrin N. Towers | 1999-03-23 |