1
Jason Jablonski: Apparatus to regulate fluid flow. Emerson Process Management Regulator Technologies, Hanley Flight & Zimmerman, March 20, 2012: US08136545 (28 worldwide citation)

Apparatus to regulate fluid flow are disclosed. The apparatus includes an example regulator valve and an example automatically-adjusting or self-adjusting amplifier valve to maintain fluid flow during low downstream demand fluid flow conditions, and to maintain the operational accuracy and stability ...


2
Chun Lin, Matthew William Hanusa, Roy Ronald Pelfrey, Eric Alan Miller: Field removable bonnet assemblies for use with valves. Emerson Process Management Regulator Technologies, Hanley Flight & Zimmerman, April 3, 2012: US08146885 (6 worldwide citation)

Field removable bonnet assemblies for use with valves are described herein. An example field removable bonnet assembly for use with internal valves includes a body that is to be removably coupled to the internal valve. The body defines a bore that is to receive a valve packing. Additionally, the fie ...


3
James Chester Hawkins, David Edward Woollums, Tung Kim Nguyen, Gregory Lawrence Foust: Internal relief valve apparatus for use with loading regulators. Emerson Process Management Regulator Technologies, Hanley Flight & Zimmerman, July 16, 2013: US08485213 (4 worldwide citation)

An example loading regulator having an internal relief valve apparatus includes a body having a loading diaphragm disposed between a first casing and a second casing. The first casing and a first side of the loading diaphragm define a first chamber and the second casing and a second side of the load ...


4
James Chester Hawkins, Paul Richard Anderson, Gregory Lawrence Foust, Seth Kranz, Jason Scott Mevius: Modular regulator platform. Emerson Process Management Regulator Technologies, Hanley Flight & Zimmerman, September 4, 2012: US08256446 (3 worldwide citation)

Apparatus to configure fluid regulators are described. In one example, a stem guide for use with a fluid regulator is described. The stem guide includes a body having an opening to slidably receive a valve stem and an outer surface having a plurality of circumferential seals that removably couple th ...


5
James C Hawkins, Paul R Anderson, Jason S Mevius, Gregory L Foust: Pressure loaded service regulator with pressure balanced trim. Emerson Process Management Regulator Technologies, Marshall Gerstein & Borun, August 14, 2012: US08240327 (3 worldwide citation)

A gas regulator includes an actuator, a regulator valve, and pressure loading device. The pressure loading device provides a pressure load to a surface of a diaphragm of the actuator to act against a downstream pressure being applied to the opposite surface of the diaphragm and being controlled by t ...


6
Gregg Alan Schneider: Valve stem and valve plug apparatus for use with fluid regulators. Emerson Process Management Regulator Technologies, Hanley Flight & Zimmerman, July 2, 2013: US08474786 (3 worldwide citation)

Valve stem and valve plug apparatus for use with fluid regulators are described herein. An example fluid regulator includes a flow control member having a body that includes a longitudinal bore between a first end and a second end and a valve stem is disposed in the bore of the flow control member. ...


7
Daniel G Roper, Douglas J Scheffler, Harold J McKinney: Self-aligning spring seat for fluid regulator and fluid regulator comprising self-aligning spring seat. Emerson Process Management Regulator Technologies, Marshall Gerstein & Borun, April 29, 2014: US08708309 (3 worldwide citation)

A spring seat for self aligning a bias-open or bias-close spring is disposed within a tubular control element of a gas regulator and designed to reduce side loading of the spring, which can cause the spring to prematurely fail. The spring seat can comprise a spring seat adaptor and a seat ring. The ...


8
Chun Lin, Eric Alan Miller, Roy Ronald Pelfrey, Yan Tao Sun, Fan Jian Jun: Fluid flow control members for use with valves. Emerson Process Management Regulator Technologies, Hanley Flight & Zimmerman, September 4, 2012: US08256462 (3 worldwide citation)

Fluid flow control members for use with valves are described herein. An example fluid flow control member for use with a valve includes a body having a first seating surface to control a flow of fluid through the valve. The body defines a second seating surface opposite the first seating surface to ...


9
Jason S Mevius, James C Hawkins, Seth A Kranz, Gregory L Foust: Valve body with dual sense mechanism. Emerson Process Management Regulator Technologies, Marshall Gerstein & Borun, October 16, 2012: US08286660 (2 worldwide citation)

A gas regulator includes an actuator, a regulator valve, and a secondary device. Downstream pressure feedback is provided to the actuator and the secondary device via a Pitot tube disposed within an outlet of the regulator valve. The Pitot tube has a first branch having an end connected to the actua ...


10
James L Griffin Jr, Matthew W Hanusa, Thomas L Weyer Jr, Daniel G Roper, Harold J McKinney: Valve sound reducing trim assembly with pressure relief mechanism. Emerson Process Management Regulator Technologies, December 16, 2014: US08910661 (2 worldwide citation)

A cage for a control valve trim assembly includes a cage body having an opening at one end and a wall extending from the opening, a plurality of cage openings disposed in the wall, and a pressure relief mechanism disposed in the cage wall.