Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10907746 | Low flow-restriction shut-off valve with excess flow closure functionality | Juan M. Diaz, Roy Ronald Pelfrey, Nadim Ahmed | 2021-02-02 |
| 10890266 | Multidirectional vent limiting devices for use with fluid regulators | Hoden Ali Farah, Roy Ronald Pelfrey, Bruno Jean Michel Cheron | 2021-01-12 |
| 10782713 | Fluid regulator | Min-Hsieng Wang, Guolei Fan, David B. Davis | 2020-09-22 |
| 10678274 | Adjustable deadband control system | Justin Lane Masias, Douglas J. Scheffler, James Curtis Bagby | 2020-06-09 |
| 10612680 | Stabilizer cartridge for a fluid regulator | James C. Hawkins, David B. Davis | 2020-04-07 |
| 10393282 | Multidirectional vent limiting devices for use with fluid regulators | Hoden Ali Farah, Roy Ronald Pelfrey, Bruno Jean Michel Cheron | 2019-08-27 |
| 10344880 | Actuator assembly for a low flow-restriction shut-off valve with excess flow closure functionality | Juan M. Diaz, Roy Ronald Pelfrey, Nadim Ahmed | 2019-07-09 |
| 10302209 | Stabilizer cartridge for a fluid regulator | James C. Hawkins, David B. Davis | 2019-05-28 |
| 10001785 | Fluid regulator having a biased pressure sense tube | Jeffrey Michael Sanders | 2018-06-19 |
| 9759342 | Slam shut reset pin guide assembly and slam shut safety device comprising same | Eva Gota, Tiberiu Moldovan | 2017-09-12 |
| 9760097 | Adjustable deadband control system | Justin Lane Masias, Douglas J. Scheffler, James Curtis Bagby | 2017-09-12 |
| 9739408 | Noise attenuation apparatus for fluid devices | Joshua Logan Tecson, Juan M. Diaz | 2017-08-22 |
| 9678516 | Balanced regulator having a balanced trim including a variable pressure sense area | Guolei Fan, Biao Zhou, Nian Chun Liu, Jing Zhang, Yang He | 2017-06-13 |
| 9671299 | Fluid regulator having a retractable sense tube | Jeffrey Michael Sanders | 2017-06-06 |
| 9574672 | Methods and apparatus to access and align sealing discs | Chun Lin, G. Glynn Crutsinger, Jeffrey Michael Sanders | 2017-02-21 |
| 9366349 | Slam shut safety device having disc anti-rotation | Jeffrey Michael Sanders, Cristian-Tiberiu Moldovan, Roman Alexandru-Vlad, Tiberiu Moldovan | 2016-06-14 |
| 9303779 | Slam shut safety device with guided plug support | Cristian-Tiberiu Moldovan, Roman Alexandru-Vlad, Stanley D. Hall, Michel Bouvry, David E. Woollums | 2016-04-05 |
| 9212753 | Slam shut safety device with guided valve disc | Cristian-Tiberiu Moldovan, Michel Bouvry, Roman Alexandru-Vlad, Stanley D. Hall, David E. Woollums | 2015-12-15 |
| 9133941 | Valves having removable internal actuation mechanisms | Chun Lin, Roy Ronald Pelfrey | 2015-09-15 |
| 9133946 | Slam-shut safety device having a cage | Guillaume Fournel, Roman Alexandru-Vlad | 2015-09-15 |
| 9086158 | Slam shut safety device having disc arrestor assembly | Jeffrey Michael Sanders, Cristian-Tiberiu Moldovan, Roman Alexandru-Vlad | 2015-07-21 |
| 8944089 | Balanced valve port for fluid regulator | Jason S. Mevius, Biao Zhou | 2015-02-03 |
| 8739819 | Fluid regulator having pressure registration flow modifier | Gregory L. Foust, Jared B. Chizek, Mark A. Michnevitz | 2014-06-03 |
| 8616521 | Fail safe retaining plug assembly for a slam-shut safety device | David E. Woollums, James C. Hawkins, Roman Alexandru-Vlad | 2013-12-31 |
| 8485213 | Internal relief valve apparatus for use with loading regulators | James C. Hawkins, David E. Woollums, Gregory L. Foust | 2013-07-16 |