Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12234926 | Packing system of a valve assembly | Michel K. Lovell | 2025-02-25 |
| 11772139 | Pipe cleaning assembly and method of cleaning a piping system using the same | Michel K. Lovell, Bryan Quinn Leger | 2023-10-03 |
| 11143314 | Methods and apparatus to load a valve packing | Wade Jonathon Helfer | 2021-10-12 |
| 10969030 | Bushing having a shaft seal | Wade Jonathon Helfer | 2021-04-06 |
| 10890263 | Fluid flow control apparatus for use with fluid valves | — | 2021-01-12 |
| 10883747 | Temperature control device and process control apparatus including a temperature control device | — | 2021-01-05 |
| 10598282 | Pistons | — | 2020-03-24 |
| 10539241 | Yoke for rotary valve | Robert M. Meloy | 2020-01-21 |
| 10400899 | Fluid flow control apparatus for use with fluid valves | — | 2019-09-03 |
| 10352459 | Seal assemblies for use with fluid valves | — | 2019-07-16 |
| 10337639 | Apparatus to bias a moveable tube towards a seal | — | 2019-07-02 |
| 10260639 | Actuator bushings having integral seals | Meredith Bell | 2019-04-16 |
| 10215303 | Adjustable travel stop for a piston actuator | — | 2019-02-26 |
| 10215297 | Control regulator diaphragm assembly with integrated pressure relief | — | 2019-02-26 |
| 10113775 | Temperature control device and process control apparatus including a temperature control device | — | 2018-10-30 |
| 10094488 | Balanced valve trim and method of reducing stem forces on a valve stem | — | 2018-10-09 |
| 9982781 | Pistons | — | 2018-05-29 |
| 9791048 | Top entry ball valve, installation assembly, and method therefor | — | 2017-10-17 |
| 9634541 | Apparatus to provide motor backdrive resistance | — | 2017-04-25 |
| 9383020 | High temperature seals for use in rotary valves | — | 2016-07-05 |
| 9206899 | Pistons | — | 2015-12-08 |
| 9206923 | Rotary shaft seals | — | 2015-12-08 |
| 8955537 | Stem guide apparatus for use with fluid valve actuators | Bryan Quinn Leger | 2015-02-17 |