4. Fluid handling
  5. Processes
  6. Involving pressure control

Don B. Wafer

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Dual metal seal for wellhead housing

Pipe joints or couplings – Particular interface – Tapered
Patent

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Handle

Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Handle – handle component – or handle adjunct – Luggage-type
Patent

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Handle with modular hub

Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Handle – handle component – or handle adjunct – Luggage-type
Patent

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Pressure energized/pressure intensified casing seal

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

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Secondary seal bypass valve for gate valves

Fluid handling – With leakage or drip collecting
Patent

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Profile ID: LFUS-PAI-P-46611

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