Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10145224 | High speed motor drive | Suratkal P. Shenoy, Liping Zheng, Herman Artinian, Patrick McMullen, Kuo-Chiang Chen | 2018-12-04 |
| 9212536 | Device having a hard seat support | David Byrnes | 2015-12-15 |
| 9103185 | Valve with removable component | Paul G. Goughnour, Geoffrey Pinard | 2015-08-11 |
| 9097081 | Differential pressure actuator | — | 2015-08-04 |
| 9010726 | Reduced length actuation system | — | 2015-04-21 |
| 8151889 | System and method for controlling flow in a wellbore | — | 2012-04-10 |
| 8002040 | System and method for controlling flow in a wellbore | Dwayne May, David McCalvin, Paul G. Goughnour, Russell A. Johnston | 2011-08-23 |
| 7779919 | Flapper valve retention method and system | Paul G. Goughnour | 2010-08-24 |