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2025
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Invention
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Check valve for high-pressure fluids, including abrasives laden fluids.
A valve includes a first... |
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2024
|
Invention
|
Check valve.
A valve includes an inlet, an annular seat, a poppet having an annular body having ... |
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2023
|
Invention
|
Pressure relief valve with bi-directional seat. A pressure relief valve includes a valve body inc... |
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2022
|
Invention
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Check valve for high-pressure fluids, including abrasives laden fluids. A valve includes a first ... |
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2021
|
Invention
|
High pressure pump with separate clean and dirty fluid circuits.
Implementations described herei... |
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|
Invention
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Choke with single crystal flow conduits. A choke includes a cage having a plurality of openings e... |
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|
Invention
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Valve with press-fit insert. A shear seal includes a seal plate having a first seal surface and a... |
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2020
|
Invention
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Check valve with conforming seat. A valve includes a valve body including a first fluid, a second... |
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2019
|
Invention
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Bilateral and throttling directional control valve. A valve, includes a valve body comprising a b... |
|
|
Invention
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Microfluidic valve. A valve configured to selectively communicate fluid pressure therethrough inc... |
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|
Invention
|
Pressure regulator with reconfigurable hydraulic dampening. A pressure regulator includes a regul... |
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2018
|
Invention
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Pressure regulator with user selectable dampening. A pressure regulator includes a body including... |
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|
Invention
|
Dirty fluid pressure regulator and control valve. A pressure regulator for dirty fluid service in... |
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2017
|
Invention
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Low friction hydraulic circuit control components. A hydraulic control circuit component such as ... |
|
|
Invention
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Improved shear seal assembly.
A seal assembly includes a first sealing element, a second sealing... |
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2016
|
Invention
|
Non-interflow directional control valve. A directional control valve having low or no interflow, ... |
|
|
Invention
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Robust in-line valve. A poppet valve is provided wherein the poppet and seat are integrally align... |
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|
Invention
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Latching poppet valve. A directional control valve for selectively communicating a valve outlet t... |
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|
Invention
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Shuttle valve with durable soft seal. A shuttle valve having a cage fixed in the cross bore there... |
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|
Invention
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Key seal and valve. A key seal preferably includes a first circular seal portion, a second rounde... |
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|
Invention
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Dynamic variable orifice. A dynamic variable orifice includes a housing within which are located ... |
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2015
|
Invention
|
High performance subsea pressure regulator. A subsea pressure regulator includes: a spring housin... |
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|
Invention
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Stacked shuttle valve. The present invention generally relates to a stacked shuttle valve. More s... |
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|
Invention
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Hard swap shuttle valve. In one aspect, a valve is provided. The valve includes a body having a f... |
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2014
|
Invention
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Modular directional control valve. A directional control valve includes: a base and a slider long... |
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2010
|
Invention
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Flow control hemispherical wedge valve. A hemi-wedge control valve is disclosed that includes an ... |
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2006
|
Invention
|
Chatter resistant shuttle valve. A chatter resistant shuttle valve is provided to direct fluid fl... |
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2004
|
Invention
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Dual energized hydroseal. A bi-directional seal assembly can be used in various types of cartridg... |
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2003
|
Invention
|
Bop operating system with quick dump valve. In some prior art Blowout Preventer (BOP) operating s... |
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|
Invention
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Fluid flow control valve. A fluid flow control valve that may be used as both a check valve and a... |
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|
Invention
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Regulator with erosion resistant seal assemblies. The regulator connects to a high pressure fluid... |
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2002
|
Invention
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Regulator with segmented body. The regulator connects to a high pressure fluid supply and regulat... |
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2001
|
Invention
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Dirty fluid valve with mechanical latch. A dirty fluid valve having a mechanical latching or dete... |
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Invention
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Relief valve. A relief valve with two outlet ports increases the flow capacity of the valve when ... |
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Invention
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Latching hydroseal valve. The normally closed, two-position, three-way latching hydroseal valve c... |
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|
Invention
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Single pilot dual pulse spool valve. A spool valve may be used in a subsea system with a single u... |
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Invention
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Low blow down relief valve. A relief valve having blow down values of 5% or lower is disclosed. T... |
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|
Invention
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Hydraulic latching spool valve. A hydraulic latching spool valve has at movable piston and valve ... |
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2000
|
Invention
|
Pressure biased shuttle valve. The pressure biased shuttle valve assembly in the pressure biased ... |
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|
Invention
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Precision regulator. The precision regulator connects to a high pressure fluid source and regulat... |
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1999
|
Invention
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Low interflow hydraulic shuttle valve. In alternative embodiments, the low interflow hydraulic sh... |
