4. Fluid handling
  5. Systems
  6. Multi-way valve unit

Harry Richard Cove

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Choke valve for throttling fluid flow

Fluid handling – Systems – Multi-way valve unit
Patent

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Choke valve with pressure transmitters

Wells – Submerged well – Wellhead
Reexamination Certificate

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Insert assembly for a wellhead choke valve

Wells – Above ground apparatus – Inner member anchor or seal with valve
Reexamination Certificate

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Linear hydraulic stepping actuator with fast close capabilities

Motors: expansible chamber type – With motive fluid valve – Independent control of bypass between opposed working chambers
Reexamination Certificate

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Profile ID: LFUS-PAI-P-799029

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