Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11248718 | Magnetic actuator, system and method | — | 2022-02-15 |
| 10641063 | Safety valve with integral annular chamber housing | — | 2020-05-05 |
| 9745830 | Failsafe subsurface controlled safety valve | — | 2017-08-29 |
| 8813855 | Stackable multi-barrier system and method | — | 2014-08-26 |
| 8739884 | Stackable multi-barrier system and method | — | 2014-06-03 |
| 8671974 | Flow-actuated actuator and method | Richard A. Patterson, Yang Xu, Terry R. Bussear | 2014-03-18 |
| 8662187 | Permanent magnet linear motor actuated safety valve and method | Michael J. May, Priyesh Ranjan, Douglas J. Murray, Michael C. Rainone, Samuel A. Sackett +1 more | 2014-03-04 |
| 8471551 | Magnetic position monitoring system and method | Brock Alan Peoples, John Burris, David Z. Anderson, James T. Sloan, Tyler C. Roberts +3 more | 2013-06-25 |
| 8398050 | Hold open configuration for safety valve and method | Priyesh Ranjan, Kenneth Wilson, Michael C. Rainone, Phillip Grisham, Samuel A. Sackett | 2013-03-19 |
| 8393386 | Subsurface safety valve and method of actuation | John Burris, David Z. Anderson, Brock Alan Peoples, Robert McDaniel, Charles M. Tompkins +1 more | 2013-03-12 |
| 8267167 | Subsurface safety valve and method of actuation | David Z. Anderson, Brock Alan Peoples, Tyler C. Roberts | 2012-09-18 |
| 8176975 | Tubing pressure insensitive actuator system and method | David Z. Anderson, Darren E. Bane, Aaron T. Jackson | 2012-05-15 |
| 8056618 | Flapper mounted equalizer valve for subsurface safety valves | Alan N. Wagner | 2011-11-15 |
| 7967074 | Electric wireline insert safety valve | Richard A. Patterson, Thad D. Andrews | 2011-06-28 |
| 7896082 | Methods and apparatus for negating mineral scale buildup in flapper valves | Ronnie D. Russell | 2011-03-01 |
| 7735560 | Distortion compensation for rod piston bore in subsurface safety valves | Darren E. Bane, David Z. Anderson, Alan N. Wagner, Clifford H. Beall | 2010-06-15 |
| 7708075 | System and method for injecting a chemical downhole of a tubing retrievable capillary bypass safety valve | Kerry J. Broussard, Richard A. Patterson, Keith M. Lalumia, Richard W. Whalen, Sr. | 2010-05-04 |
| 7699108 | Distortion compensation for rod piston bore in subsurface safety valves | Darren E. Bane, David Z. Anderson, Alan N. Wagner, Clifford H. Beall | 2010-04-20 |