Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12331847 | Noise attenuation assembly for flow control devices | — | 2025-06-17 |
| 11933426 | Noise attenuation assembly for flow control devices | — | 2024-03-19 |
| 11644123 | Device and method for conditioning flow through a valve assembly | Anthony R. Apland | 2023-05-09 |
| 11525516 | Valve body insert apparatus and related methods | — | 2022-12-13 |
| 11460118 | Flow control seals | — | 2022-10-04 |
| 11143314 | Methods and apparatus to load a valve packing | Trenton Frank Jackson | 2021-10-12 |
| 10969030 | Bushing having a shaft seal | Trenton Frank Jackson | 2021-04-06 |
| 10914387 | Rotary control valve having a clamped valve seat | Robert M. Meloy | 2021-02-09 |
| 10844962 | Valve body insert apparatus and related methods | — | 2020-11-24 |
| 9587747 | Flexible seals for process control valves | David John Koester, Benjamin Uriah Good, Paul Russell Dalluge, Andrew J. Olson | 2017-03-07 |
| 9568110 | Valve seals | — | 2017-02-14 |
| 9127775 | Flexible seals for process control valves | David John Koester, Benjamin Uriah Good, Paul Russel Dalluge, Andrew J. Olsen | 2015-09-08 |
| 8814138 | Valve seals | — | 2014-08-26 |
| 8727310 | Packing followers for use with valves | — | 2014-05-20 |
| 8408837 | Collets for use with valves | Jason Gene Olberding | 2013-04-02 |
| 8286938 | Flexible seals for process control valves | David John Koester, Benjamin Uriah Good, Paul Russell Dalluge, Andrew J. Olson | 2012-10-16 |
| 8096526 | Rotary actuator lever apparatus having an annular recess | — | 2012-01-17 |
| 8011386 | Control valve having “C” seal | James L. Gossett, William V. Fitzgerald, Raymond W. Micheel, Donald Stroman Sanders, Donald R. Bush | 2011-09-06 |
| 7681594 | Control valve having “C” seal | James L. Gossett, William V. Fitzgerald, Raymond W. Micheel, Donald Stroman Sanders, Donald R. Bush | 2010-03-23 |
| 6851658 | Control valve trim and bore seal | William V. Fitzgerald, Cecil J. Eggleston, Jr., Donald R. Bush | 2005-02-08 |