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2023
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Invention
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Systems and methods for purging an isolation valve with a liquid purge medium.
A system and meth... |
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2021
|
Invention
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Systems and methods for purging an isolation valve with a liquid purge medium. A system and metho... |
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2020
|
Invention
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Systems and methods for purging an isolation valve with a liquid purge medium. An isolation valve... |
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Invention
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Systems and methods for improved valve stem coupling assembly for isolating the torque load from ... |
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|
Invention
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Systems and methods for floating seat plate. A seat plate which maintains constant contact and lo... |
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|
Invention
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Systems and methods for single piece integrated seat. An one-piece integrated coke drum de-headin... |
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Invention
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Systems and methods for torque isolation valve actuator. A low-volume non-rising stem gate valve ... |
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2018
|
Invention
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Actuator for slide valves. Actuators for fluid catalytic cracking unit slide valves and similar v... |
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2017
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Invention
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Boltless guided slide valve. The sliding parts, the guides and interlocking portions of the inter... |
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2016
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G/S
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Valves, actuators and controls, namely, FCCU slide valves, FCCU boltless slide valves, two port f... |
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2011
|
Invention
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Actuator control device and method. A device for controlling an actuator includes an input interf... |
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Invention
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Plug valve with an internal check valve. A valve device is provided for controlling air flow. The... |
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2004
|
Invention
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Plug valve. A shield for a plug valve is provided to prevent debris from hindering the movement o... |
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1999
|
Invention
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Slide valve with welded internals. Disclosed is a slide valve for control of product flow through... |
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1998
|
Invention
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Butterfly value with offset stem. The present invention constitutes an improvement over U.S. Pat.... |
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Invention
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Iron ore slide valve with internal support clamp. Disclosed is a control slide valve for control ... |
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1997
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Invention
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Plug valve. Disclosed is a plug valve adapted to be placed in a chamber or vessel containing flui... |
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G/S
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Valves, valves for use in oil refineries and chemical plants including hot and cold shell valves,... |
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1973
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G/S
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Compositions for the formation of abrasion, heat and corrosion resistant hardfacings, weld coatin... |
