4. Valves and valve actuation
  5. Reciprocating valve
  6. Gate

John Fristoe, Jr.

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Apparatus and methods to couple actuator stems and rod end...

Valves and valve actuation – Fluid actuated or retarded – Flexible wall expansible chamber reciprocating valve actuator
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Apparatus for gate valve movement in a minimum-space wet...

Valves and valve actuation – With means to increase head and seat contact pressure – Gate valve
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Combined check and control valve

Valves and valve actuation – Fluid actuated or retarded – Piston type expansible chamber reciprocating valve actuator
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Device and method for controlling a valve with consumable...

Valves and valve actuation – Electrically actuated valve – Remote or follow-up control system for electrical actuator
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Device for connecting a gas-operated appliance and a gas...

Valves and valve actuation – With correlated flow path – Flow path joint interlocked with valve or actuator
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