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Actuatable safety valve for wells and flowlines

Valves and valve actuation – Fluid actuated or retarded – Fluid and non-fluid actuators
Patent

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Actuated gate valve with manual override

Valves and valve actuation – Fluid actuated or retarded – Fluid and non-fluid actuators
Patent

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Actuating device for pipe-chamber feeders of hydraulic transport

Valves and valve actuation – Fluid actuated or retarded – Piston type expansible chamber reciprocating valve actuator
Patent

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Actuating device for throttle valve

Valves and valve actuation – Fluid actuated or retarded – Dashpot or fluid controlled retarder or timer
Patent

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Actuating drive

Valves and valve actuation – Fluid actuated or retarded – Pilot or servo type motor
Patent

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Actuating valve

Valves and valve actuation – Fluid actuated or retarded – Pilot or servo type motor
Patent

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Actuation system for valve with compound closure movement

Valves and valve actuation – Fluid actuated or retarded – Plural operations
Patent

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Actuator

Valves and valve actuation – Fluid actuated or retarded – Pilot or servo type motor
Patent

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Actuator

Valves and valve actuation – Fluid actuated or retarded – With mechanical movement between actuator and valve
Patent

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Actuator

Valves and valve actuation – Fluid actuated or retarded – Piston type expansible chamber reciprocating valve actuator
Patent

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Actuator activating on-off valves

Valves and valve actuation – Fluid actuated or retarded – Fluid and non-fluid actuators
Patent

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Actuator and exhaust brake unit thereof

Valves and valve actuation – Fluid actuated or retarded – With mechanical movement between actuator and valve
Patent

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Actuator and exhaust brake unit thereof

Valves and valve actuation – Fluid actuated or retarded – With mechanical movement between actuator and valve
Patent

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Actuator assembly with rotational coupler in-line with...

Valves and valve actuation – Fluid actuated or retarded – With mechanical movement between actuator and valve
Reexamination Certificate

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Actuator for a drill string internal blowout preventer

Valves and valve actuation – Fluid actuated or retarded – With mechanical movement between actuator and valve
Patent

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Actuator for actuating valves

Valves and valve actuation – Fluid actuated or retarded – With mechanical movement between actuator and valve
Patent

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Actuator for converting linear to rotary motion

Valves and valve actuation – Fluid actuated or retarded – With mechanical movement between actuator and valve
Patent

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Actuator for driving a valve

Valves and valve actuation – Fluid actuated or retarded – Pilot or servo type motor
Reexamination Certificate

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Actuator for expanding gate valves

Valves and valve actuation – Fluid actuated or retarded – Dashpot or fluid controlled retarder or timer
Patent

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Actuator for reciprocating air driven devices

Valves and valve actuation – Fluid actuated or retarded – Piston type expansible chamber reciprocating valve actuator
Patent

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