Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10315250 | Forming facsimile formation core samples using three-dimensional printing | Philip D. Nguyen | 2019-06-11 |
| 9982187 | Delayed delivery of chemicals in a wellbore | James William Ogle, Philip D. Nguyen | 2018-05-29 |
| 9903493 | Adjustable release pressure relief valve | — | 2018-02-27 |
| 9725998 | Multi-interval wellbore treatment method | Loyd East, Sharlene Dawn Lindsay | 2017-08-08 |
| 8887803 | Multi-interval wellbore treatment method | Loyd East, Sharlene Dawn Lindsay | 2014-11-18 |