Proserv Operations, Inc.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Proserv Operations, Inc..The latest application filed is for "valve with press-fit insert".
- Proserv Operations, Inc. - Houston TX US
Trademarks
| Patent | Date |
|---|---|
| Bilateral and throttling directional control valve Grant 11,209,096 - Patterson December 28, 2 | 2021-12-28 |
| Valve With Press-fit Insert App 20210356052 - WEINTRAUB; Preston | 2021-11-18 |
| Valve with press-fit insert Grant 11,054,050 - Weintraub July 6, 2 | 2021-07-06 |
| Microfluidic valve Grant 11,022,226 - Weintraub June 1, 2 | 2021-06-01 |
| Pressure regulator with reconfigurable hydraulic dampening Grant 10,739,796 - Martinez , et al. A | 2020-08-11 |
| Low Friction Hydraulic Circuit Control Components App 20200182367 - WEINTRAUB; Preston | 2020-06-11 |
| Latching poppet valve Grant 10,670,155 - Patterson | 2020-06-02 |
| Bilateral And Throttling Directional Control Valve App 20200158253 - PATTERSON; Andy | 2020-05-21 |
| Pressure regulator with user selectable dampening Grant 10,633,951 - Martinez , et al. | 2020-04-28 |
| Low friction hydraulic circuit control components Grant 10,591,076 - Weintraub | 2020-03-17 |
| Dirty fluid pressure regulator and control valve Grant 10,584,561 - Weintraub , et al. | 2020-03-10 |
| Valve With Press-fit Insert App 20200049270 - WEINTRAUB; Preston | 2020-02-13 |
| Non-interflow directional control valve Grant 10,487,951 - Patterson Nov | 2019-11-26 |
| Microfluidic Valve App 20190293196 - WEINTRAUB; Preston | 2019-09-26 |
| Robust in-line valve Grant 10,385,982 - Patterson , et al. A | 2019-08-20 |
| Key seal and valve Grant 10,364,893 - Weintraub , et al. July 30, 2 | 2019-07-30 |
| Pressure Regulator With Reconfigurable Hydraulic Dampening App 20190212758 - MARTINEZ; Gerardo ; et al. | 2019-07-11 |
| Pressure Regulator With User Selectable Dampening App 20190093452 - MARTINEZ; Gerardo ; et al. | 2019-03-28 |
| Modular directional control valve Grant 10,196,877 - Weintraub Fe | 2019-02-05 |
| Shuttle valve with durable soft seal Grant 10,133,282 - Patterson , et al. November 20, 2 | 2018-11-20 |
| Dirty Fluid Pressure Regulator And Control Valve App 20180274329 - WEINTRAUB; Preston ; et al. | 2018-09-27 |
| Dirty fluid pressure regulator and control valve Grant 9,982,511 - Weintraub , et al. May 29, 2 | 2018-05-29 |
| Low Friction Hydraulic Circuit Control Components App 20180073652 - WEINTRAUB; Preston | 2018-03-15 |
| Improved Shear Seal Assembly App 20180073643 - WEINTRAUB; Preston | 2018-03-15 |
| Stacked shuttle valve Grant 9,915,275 - Patterson March 13, 2 | 2018-03-13 |
| Dynamic variable orifice Grant 9,880,566 - Patterson January 30, 2 | 2018-01-30 |
| Hard swap shuttle valve Grant 9,719,600 - Patterson August 1, 2 | 2017-08-01 |
| Non-interflow Directional Control Valve App 20170211710 - PATTERSON; Andy | 2017-07-27 |
| Robust In-line Valve App 20170146139 - PATTERSON; Andy ; et al. | 2017-05-25 |
| High performance subsea pressure regulator Grant 9,657,850 - Patterson May 23, 2 | 2017-05-23 |
| Latching Poppet Valve App 20170097100 - PATTERSON; Andy | 2017-04-06 |
| Shuttle Valve With Durable Soft Seal App 20170075364 - PATTERSON; Andy ; et al. | 2017-03-16 |
| Dynamic Variable Orifice App 20170031371 - PATTERSON; Andy | 2017-02-02 |
| Key Seal And Valve App 20160341314 - WEINTRAUB; Preston ; et al. | 2016-11-24 |
| Key seal and valve Grant 9,423,031 - Weintraub , et al. August 23, 2 | 2016-08-23 |
| High Performance Subsea Pressure Regulator App 20160060996 - PATTERSON; Andy | 2016-03-03 |
| Stacked Shuttle Valve App 20150369002 - PATTERSON; Andy | 2015-12-24 |
| Hard Swap Shuttle Valve App 20150362083 - PATTERSON; Andy | 2015-12-17 |
| Dual Pressure Shuttle Valve App 20150309515 - Patterson; Andrew J. | 2015-10-29 |
| Flow control hemispherical wedge valve Grant 9,097,351 - Allen August 4, 2 | 2015-08-04 |
| Modular Directional Control Valve App 20150191996 - WEINTRAUB; Preston | 2015-07-09 |
| Multiple annulus universal monitoring and pressure relief assembly for subsea well completion systems and method of using same Grant 9,051,824 - Broussard , et al. June 9, 2 | 2015-06-09 |
| Key Seal And Valve App 20150115536 - Weintraub; Preston ; et al. | 2015-04-30 |
| Tubing hanger--production tubing suspension arrangement Grant 8,631,873 - Sneed January 21, 2 | 2014-01-21 |
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