LandOfFree - US Patents - Listing for Valves and valve actuation,Fluid actuated or retarded,Piston type expansible chamber reciprocating valve actuator

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Device for controlling a connection between a pressure medium so

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Device for pneumatic control

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

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Device for protection against explosions in pipe-line

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

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Diaphragm valve

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

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Diaphragm valves

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

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Diffuser valve

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Disconnected piston for a valve actuator

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

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Driving device for a shut-off device in a pipe-line

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Dual piston pneumatically operated valve

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Dual stage hydraulic actuator for expanding gate valve

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Dual stage valve actuator

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Dump/stop valve for surface controlled subsurface safety valve

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

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