Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11781934 | Pipe pressure testing method and apparatus | Dennis L. Hart, Cristobal Gonzalez, Virgil O'Neil, Larry D. Brown | 2023-10-10 |
| 11493399 | Pipe pressure testing method and apparatus | Dennis L. Hart, Cristobal Gonzalez, Virgil O'Neil, Larry D. Brown | 2022-11-08 |
| 10656042 | Pipe pressure testing method and apparatus | Dennis L. Hart, Cristobal Gonzalez, Virgil O'Neil, Larry D. Brown | 2020-05-19 |
| 9964461 | Pipe pressure testing method and apparatus | Dennis L. Hart, Cristobal Gonzalez, Virgil O'Neil, Larry D. Brown | 2018-05-08 |
| 8887768 | Pipe pressure testing method and apparatus | Dennis L. Hart, Cristobal Gonzalez, Virgil O'Neil, Larry D. Brown | 2014-11-18 |
| 8210029 | Pipe pressure testing method and apparatus | Dennis L. Hart, Cristobal Gonzalez, Virgil O'Neil, Larry D. Brown | 2012-07-03 |
| 7926765 | Pipe locator and support | Larry D. Brown, Virgil O'Neil, John R. Thomas | 2011-04-19 |