4. Wells
  5. Processes
  6. Placing or shifting well part

Robert K. Law

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Hydraulically actuated lock pin for well pipe hanger

Wells – Processes – Placing or shifting well part
Patent

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Interference-fit seal for gate valves

Valves and valve actuation – Reciprocating valve – Gate
Reexamination Certificate

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System, method and apparatus for split gate valve with...

Valves and valve actuation – With means to increase head and seat contact pressure – Gate valve
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1005364

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