Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10018022 | Method and apparatus for injecting fluid into spaced injection zones in an oil/gas well | Thomas G. Hill, Jr. | 2018-07-10 |
| 9920593 | Dual barrier injection valve with a variable orifice | Thomas G. Hill, Jr. | 2018-03-20 |