Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8869883 | Horizontal frac ball injector | Bob McGuire | 2014-10-28 |
| 8839851 | Controlled apperture ball drop | Joel H. Young, Ronald B. Beason, Nicholas J. Cannon, Bob McGuire | 2014-09-23 |
| 8770277 | Frac head with sacrificial wash ring | — | 2014-07-08 |
| 8636055 | Controlled aperture ball drop | Joel H. Young, Ronald B. Beason, Nicholas J. Cannon, Bob McGuire | 2014-01-28 |
| 8205916 | High-pressure threaded union with metal-to-metal seal, and metal ring gasket for same | L. Murray Dallas, Bob McGuire | 2012-06-26 |
| 8113275 | Multipart frac head with replaceable components | Bob McGuire | 2012-02-14 |
| 7922216 | High-pressure threaded union with metal-to-metal seal, and metal ring gasket for same | L. Murray Dallas, Bob McGuire | 2011-04-12 |
| 7845619 | Two-part back cap for a plug valve and plug valves incorporating same | — | 2010-12-07 |
| 7828053 | Multipart frac head with replaceable components | Bob McGuire | 2010-11-09 |
| 7743822 | Snubber spool with detachable base plates | — | 2010-06-29 |
| 7708061 | Cup tool, cup tool cup and method of using the cup tool | Bob McGuire | 2010-05-04 |
| 7699291 | Two-part back cap for a plug valve and plug valves incorporating same | — | 2010-04-20 |
| 7669654 | Cup tool with three-part packoff for a high pressure mandrel | — | 2010-03-02 |
| 7654585 | High-pressure threaded union with metal-to-metal seal, and metal ring gasket for same | L. Murray Dallas, Bob McGuire | 2010-02-02 |
| 7644757 | Fixed-point packoff element with primary seal test capability | — | 2010-01-12 |
| 7597307 | Two-part back cap for a plug valve and plug valves incorporating same | — | 2009-10-06 |
| 7484776 | High-pressure threaded union with metal-to-metal seal, and metal ring gasket for same | L. Murray Dallas, Bob McGuire | 2009-02-03 |
| 7481418 | Two-part back cap for a plug valve and plug valves incorporating same | — | 2009-01-27 |
| 7434617 | Cup tool with three-part packoff for a high pressure mandrel | — | 2008-10-14 |
| 7243733 | Cup tool for a high-pressure mandrel and method of using same | Bob McGuire | 2007-07-17 |