Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10012325 | Cage valve with flow trim for reduced port erosion | Daniel Harlen Williams, Cody Ryan Reynolds, Anwar Abdul Sleiman | 2018-07-03 |
| 10012327 | Cage valve with instrumentation | Douglas A. Finlayson | 2018-07-03 |
| 9458941 | Rotary stepping actuator for valve | — | 2016-10-04 |
| 8490652 | Cage valve with flow trim for reduced fracturing | Mark McNeill | 2013-07-23 |
| 8371333 | Cage valve with erosion control | — | 2013-02-12 |
| 7699075 | Reverse flow flow trim for choke valve | — | 2010-04-20 |
| 7426938 | Choke valve flow trim for fracture prevention | Loren Kowalchuk, Patrick Rabby, Chad Dannish | 2008-09-23 |
| 6997212 | Choke valve with temperature transmitter | Graham Ivan Kawulka | 2006-02-14 |
| 6782949 | Choke valve with pressure transmitters | Harry Richard Cove | 2004-08-31 |
| 6536473 | Choke valve | — | 2003-03-25 |
| 6105614 | Choke valve for throttling fluid flow | Harry Richard Cove | 2000-08-22 |