Inventor
Roy Ronald Pelfrey
Inventor
Sherman, TX, US
Overview
Patents· 22 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F16Kprimary
F16KValves43%
Y10TTechnical subjects covered by former us classification31%
G05DSystems for controlling or regulating non-electric variables12%
F16LPipes8%
F04BPositive-displacement machines for liquids4%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general2%
PatentTitleYear
10,975,862Valve adapter connection assembly202110,975,971Valve plug assembly for pressure regulator202110,907,746Low flow-restriction shut-off valve with excess flow closure functionality202110,890,266Multidirectional vent limiting devices for use with fluid regulators202110,393,282Multidirectional vent limiting devices for use with fluid regulators201910,364,896Valve plug assembly for pressure regulator201910,344,880Actuator assembly for a low flow-restriction shut-off valve with excess flow closure functionality201910,168,717Removable balanced regulator201910,088,054In-line servicable shutoff valve with excess flow201810,066,619Valve adapter connection assembly20189,611,949'Bi-directional hose break-away assembly'20179,534,725'Noise-attenuation apparatus for pressure regulators'20179,360,131'Actuator adapter plate'20169,133,941'Valves having removable internal actuation mechanisms'20158,919,369'Fluid flow control members for use with valves'20148,671,988'Fluid flow control members for use with valves'20148,556,233'Field removable bonnet assemblies for use with valves'20138,517,046'Redundant metal-to-metal seals for use with internal valves'20138,353,310'Valves having removable internal actuation mechanisms'20138,281,804'Pressure relief valves'20128,256,462'Fluid flow control members for use with valves'20128,146,885'Field removable bonnet assemblies for use with valves'2012Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2012–2021Patents assigned to EMERSON PROCESS MAN REGULATOR TECHNOLOGIES INC (18)· patent assignee history
2012–2016Patents assigned to PELFREY ROY RONALD (10)· patent assignee history
2012–2015Patents assigned to LIN CHUN (9)· patent assignee history
2012–2014Patents assigned to MILLER ERIC ALAN (6)· patent assignee history
2012–2014Patents assigned to FISHER CONTROLS INT (4)· patent assignee history
2012–2021Based in Sherman, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EMERSON PROCESS MAN REGULATOR TECHNOLOGIES INC | 18 | 2012–2021 |
| PELFREY ROY RONALDself | 10 | 2012–2016 |
| LIN CHUN | 9 | 2012–2015 |
| MILLER ERIC ALAN | 6 | 2012–2014 |
| FISHER CONTROLS INT | 4 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sherman, Texas, US | 22 | 2012–2021 |