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

Leonard E. Williams, Jr.

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Blowout preventer

Fluid handling – With cleaner – lubrication added to fluid or liquid sealing... – Liquid supplied at valve interface
Patent

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Gas driven anchor and launching system therefor

Ships – Anchor – With means driving the anchor into the sea bed
Patent

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Pipe shearing ram assembly for blowout preventer

Wells – Means for perforating – weakening – bending or separating pipe... – With disparate below ground feature
Patent

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Pressure-actuated wellhead sealing assembly

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

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Ram-type blowout preventer

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

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Profile ID: LFUS-PAI-P-586062

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