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2025
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Invention
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Pressure relief valve with redundant pressure sensing. An embodiment includes an oilfield manifol... |
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Invention
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Pressure relief valve with redundant pressure sensing.
An embodiment includes an oilfield manifo... |
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2024
|
Invention
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Annular blow out preventer. An embodiment uses a symmetrical elastomeric design with hydraulic pi... |
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Invention
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Gate valve.
An embodiment includes a gate valve comprising: a valve body including a cavity coup... |
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Invention
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Sliding connector spool. An embodiment includes a spool that may expand and contract to ease remo... |
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Invention
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Choke system with capacity for passage of large debris. Embodiments include a choke system that p... |
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2023
|
Invention
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Actuator. A valve actuator assembly having an actuator housing coupled to a bonnet and a housing ... |
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Invention
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Gate valve with seat assembly.
The present invention provides a gate valve assembly having a val... |
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Invention
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Gate valve. An embodiment includes a gate valve comprising: a valve body including a cavity coupl... |
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2021
|
Invention
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Gate valve with seat assembly. The present invention provides a gate valve assembly having a valv... |
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P/S
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Control valves as parts of machines for regulating the flow of gases and liquids containing carbo... |
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Invention
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Pressure actuator with biasing element. A valve actuator assembly having an actuator housing coup... |
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2020
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P/S
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Oilwell or gas well drilling and operating tools and equipment, namely, hydraulically actuated dr... |
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2017
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Invention
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Precise choke systems and methods. An embodiment includes a choke system comprising: a choke body... |
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2014
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P/S
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Valves for regulating the flow of liquids and gases as parts of machines in the oil and gas industry |
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P/S
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Control valves as parts of machines for regulating the flow of gases and liquids for use in the o... |
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P/S
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Parts of oil and/or gas wellhead machines, namely, control valves for regulating the flow of gase... |
