Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9151139 | Method of reducing deflection through a rod piston in a subsurface safety valve | John Burris, Grant Thompson, David Z. Anderson, James T. Sloan, Brock Alan Peoples +1 more | 2015-10-06 |
| 9062519 | Bi-directional pressure equalization valve | Samuel C. Kucera | 2015-06-23 |
| 8820402 | Downhole shock absorber with guided crushable nose | Troy L. Smith, II, Thomas S. Myerley, Douglas A. G. Lowery, James T. Sloan | 2014-09-02 |
| 8471551 | Magnetic position monitoring system and method | Gary B. Lake, Brock Alan Peoples, John Burris, David Z. Anderson, James T. Sloan +3 more | 2013-06-25 |
| 8443894 | Anchor/shifting tool with sequential shift then release functionality | Thomas S. Myerley, Ronald J. Garr | 2013-05-21 |
| 7779907 | Downhole shock absorber with crushable nose | Alan N. Wagner | 2010-08-24 |
| 7762335 | Switching apparatus between independent control systems for a subsurface safety valve | David Z. Anderson, Darren E. Bane, Alan N. Wagner, John E. Gunnells, Allen P. Carney +3 more | 2010-07-27 |
| 7637324 | Isolation valve for subsurface safety valve line | David Z. Anderson, Alan N. Wagner, Clifford H. Beall | 2009-12-29 |