Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8028753 | System, method and apparatus for controlling the flow rate of an electrical submersible pump based on fluid density | Chris Shaw, Donn J. Brown | 2011-10-04 |
| 7984766 | System, method and apparatus for gas extraction device for down hole oilfield applications | Donn J. Brown, B. L. Wilson | 2011-07-26 |