2021
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Invention
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Erosion resistant plug and seat valve. A plug-and-seat valve plug head assembly that resists abra... |
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Invention
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Pressure retained gasket seal with enhanced unloading resistance. A pressure retained gasket seal... |
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Invention
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Fluid flow control devices and related systems and methods. A fluid flow control device comprises... |
2020
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Invention
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Fluid exchange devices and related controls, systems, and methods. Devices, systems, and methods ... |
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Invention
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Method of intelligently managing pressure within an evacuated transportation system. A high-speed... |
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Invention
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Control systems for valve actuators, valve actuators and related systems and methods. ... |
2019
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Invention
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Valves including one or more flushing features and related assemblies, systems, and methods. Valv... |
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Invention
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Fluid exchange devices and related systems, and methods. Devices and systems for exchanging prope... |
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Invention
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Fluid exchange devices and related controls, systems, and methods. Pressure exchange devices and ... |
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Invention
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Fluid exchange devices and related controls, systems, and methods. Devices for exchanging propert... |
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Invention
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Fluid exchange devices and related controls, systems, and methods. Pressure exchange devices, sys... |
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Invention
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Pistons for use in fluid exchange devices and related devices, systems, and methods. Pistons and ... |
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Invention
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Near field rf powered electronic valve actuator. A near field energized electronic valve actuator... |
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Invention
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Electronic valve actuator with predictive self-calibrating torque controller. An electronic contr... |
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Invention
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Electronically controlled motor-driven device with vibrational acoustic alert capability. An elec... |
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Invention
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Mechanical seal with high pressure high temperature secondary seal. CA 03103437 2020-1... |
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Invention
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Fluid coolers, heat exchangers, seal assemblies and systems including fluid coolers or heat excha... |
2018
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Invention
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Capacitance sensing apparatus and method for detecting gas-liquid transitions. A capacitance meas... |
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Invention
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Mechanism for assembling split seal rings. An improved rotor or stator split ring seal assembly i... |
2017
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Invention
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Valves including multiple seats and related assemblies and methods. Valve assemblies a... |
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Invention
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Radially and axially self-aligning split seal ring. A split seal ring having end faces that self-... |
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Invention
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Shutoff seal for high temperature pressure balance valve and related methods. A valve assembly in... |
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Invention
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Dry running end face mechanical seal. A dry running mechanical seal is able to form a direct cont... |
2016
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Invention
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Parallel slide gate valves and related methods. A parallel slide gate valve includes a... |
2015
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Invention
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Bearing isolator seal with enhanced rotor drive coupling. bearing isolator seal provid... |
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Invention
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Bearing isolator seal with tapered static shutoff o-ring interface. A bearing isolator seal havin... |
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Invention
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Apparatus for excluding particle contaminants from a gas lift off mechanical seal. A particulate ... |
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Invention
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Methods related to valve actuators having motors with peek-insulated windings. A method of operat... |
2013
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Invention
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Fluid flow control devices and systems, and methods of flowing fluids therethrough. Fluid flow co... |
2010
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Invention
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Control valves and methods of flowing a material through a control valve. Valves comp... |
2009
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Invention
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Plug assembly with plug head attachment. A plug assembly in-cludes a plug stem h... |
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Invention
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Fluid flow control devices and systems, and methods of flowing fluids therethrough.
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2008
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Invention
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Variable speed actuator. A valve actuator including an electric motor is disclos... |
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Invention
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Butterfly valve, valve seat and valve seat retainer.
Butterfly valves comprise <... |
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Invention
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Non-contact torque sensing for valve actuators. Non-contact torque, thrust, strain, and other dat... |
2006
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Invention
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Pressure balancing valve. The present invention is concerned with extracts of Asteraceae containi... |
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Invention
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Pressure balancing valve. A three-way valve may be pressure balanced to improve effici... |
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Invention
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Handwheel torque limitor. A torque limiting device with an override mechanism coupled to a valve ... |
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Invention
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Torque indicator. Torque indicator markings incorporated with handwheel devices connected to actu... |
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Invention
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Rotary encoder with built-in-self-test. A rotary encoder using built-in self test ability with re... |
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Invention
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Rotary encoder frequency analysis. A novel method for diagnosing problems with a valve actuator o... |
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Invention
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Valve system and method for monitoring a valve actuator in the valve system based on data collect... |
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Invention
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Power generation for valve actuators. The present invention utilizes operation of a valve actuato... |
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Invention
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Load measurement method and device. A device for axial load measurement on a mechanical control d... |
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Invention
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Noise reducing fluid passageways for fluid flow control devices. Trim disk assemblies ... |