4. Wells
  5. Above ground apparatus
  6. With seal for reciprocating member

Jim Wiedemann

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Method of sealing pressure within a blowout preventer and a...

Valves and valve actuation – Blow-out preventers – Radial reciprocating ram
Reexamination Certificate

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Stripper packer

Wells – Above ground apparatus – With seal for reciprocating member
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2505487

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