4. Valves and valve actuation
  5. Valve
  6. Seats

Norman Weldon Read

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Indexing valve mechanism

Valves and valve actuation – Valve actuator surrounding pipe – inlet or outlet
Patent

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Seal means for valve assembly

Valves and valve actuation – Valve – Seats
Patent

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Sleeve valve mandrel and seal means for indexing valve assembly

Valves and valve actuation – Valve actuator is valve casing or extension thereof – Sleeve valve
Patent

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Profile ID: LFUS-PAI-P-476033

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