Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11635098 | Pneumatic actuator end cap having an integral volume booster | Paul T. Alman | 2023-04-25 |
| 11339897 | Valve trim apparatus for use with control valves | Thomas N. Gabriel, Daniel J. Eilers, Kimball R. Barron, Raymond W. Micheel | 2022-05-24 |
| 11300215 | Fluid control valve having discrete flow channels arranged to equalize the velocity of fluid at the perimeter of the valve port | Thomas N. Gabriel | 2022-04-12 |
| 10627020 | System and method for a pipe assembly | Justin Paul Goodwin, Tyler Thomas Stalcup | 2020-04-21 |
| 10551856 | Fluid control valve having discrete flow channels arranged to equalize the velocity of fluid at the perimeter of the valve port | Thomas N. Gabriel | 2020-02-04 |
| 9845901 | Cage apparatus having fluid passageways to affect flow characteristics of valves | Nathan McCormick, Daniel J. Eilers | 2017-12-19 |
| 9068658 | Apparatus to bias valve closure members | Bryan Quinn Leger, Paul Russell Dalluge | 2015-06-30 |
| 8984727 | Actuators, levers, collets, and collet removers | Douglas James Boyd, Paul A. Day | 2015-03-24 |
| 8408837 | Collets for use with valves | Wade Jonathon Helfer | 2013-04-02 |
| 8070130 | Apparatus to bias valve closure members | Bryan Quinn Leger, Paul Russell Dalluge | 2011-12-06 |
| 7980530 | Packing nut for control valve | Lynn Mahncke, David John Koester, Andrew John Kinser | 2011-07-19 |
| 7874542 | Actuator levers, collets, and collet removers | Douglas James Boyd, Paul A. Day | 2011-01-25 |
| 7712723 | Lever positioning device for valve actuator | — | 2010-05-11 |
| 7478816 | Seal stiffener | Douglas James Boyd | 2009-01-20 |