Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8016035 | Chemical injection check valve incorporated into a tubing retrievable safety valve | Jeffrey Kroll Adams, Thomas S. Myerley, Jason Ives, Jeffrey C. Williams | 2011-09-13 |
| 7987913 | Electrical submersible pump with equally loaded thrust bearings and method of pumping subterranean fluid | Larry J. Parmeter, David Chilcoat | 2011-08-02 |