Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12291939 | Electrical actuation of a valve in a wellhead assembly | John Mossop, David Scantlebury, Matthew Crotwell, Daniel J. McLaughlin, Christopher D. Bartlett +1 more | 2025-05-06 |
| 9103457 | Assembly having a dual barrier gasket | — | 2015-08-11 |
| 7195225 | Rotary valve assembly | — | 2007-03-27 |
| 6125874 | Gate valve having fail safe actuator | — | 2000-10-03 |
| 5127629 | Valve stem flex lip backseat | — | 1992-07-07 |