Inventor
PELFREY ROY RONALD
US15 patents
⚠️ This page may combine multiple inventors who share the name “PELFREY ROY RONALD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LIN CHUN
8 patentsUS8256462B2Sep 4, 2012
Fluid flow control members for use with valves
LIN CHUN16 citations89
US8281804B2Oct 9, 2012
Pressure relief valves
LIN CHUN8 citations84
US8517046B2Aug 27, 2013
Redundant metal-to-metal seals for use with internal valves
LIN CHUN13 citations83
US8146885B2Apr 3, 2012
Field removable bonnet assemblies for use with valves
LIN CHUN12 citations81
US9133941B2Sep 15, 2015
Valves having removable internal actuation mechanisms
LIN CHUN5 citations72
US8671988B2Mar 18, 2014
Fluid flow control members for use with valves
LIN CHUN6 citations72
US8919369B2Dec 30, 2014
Fluid flow control members for use with valves
LIN CHUN4 citations69
US8556233B2Oct 15, 2013
Field removable bonnet assemblies for use with valves
LIN CHUN3 citations59
EMERSON PROCESS MAN REGULATOR TECHNOLOGIES INC
5 patentsUS9534725B1Jan 3, 2017
Noise-attenuation apparatus for pressure regulators
EMERSON PROCESS MAN REGULATOR TECHNOLOGIES INC14 citations79
US9611949B2Apr 4, 2017
Bi-directional hose break-away assembly
EMERSON PROCESS MAN REGULATOR TECHNOLOGIES INC3 citations69
US10393282B2Aug 27, 2019
Multidirectional vent limiting devices for use with fluid regulators
EMERSON PROCESS MAN REGULATOR TECHNOLOGIES INC2 citations68
US11562726B2Jan 24, 2023
Plates and plate assemblies for noise attenuators and other devices and methods making the same
EMERSON PROCESS MAN REGULATOR TECHNOLOGIES INC2 citations65
US10890266B2Jan 12, 2021
Multidirectional vent limiting devices for use with fluid regulators
EMERSON PROCESS MAN REGULATOR TECHNOLOGIES INC1 citations56