4. Valves and valve actuation
  5. Blow-out preventers
  6. Radial reciprocating ram

Eduardo Alvarez

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Seal and seal assembly for well tools

Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent

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Seal structure for elevated temperature service

Valves and valve actuation – Blow-out preventers – Radial reciprocating ram
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Self-lubricating composition containing polybenzimidazole, graph

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent

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Profile ID: LFUS-PAI-P-1535274

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