LandOfFree - US Patents - Listing for Valves and valve actuation,Fluid actuated or retarded

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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 by-pass for diaphragm type flushometers

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

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Dual flush activation

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

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Dual independent input hydraulic shutoff

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Dual lift system

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

Reexamination Certificate

[ 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 position pilot operated valve assembly

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

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Dual rate valve assembly

Valves and valve actuation – Fluid actuated or retarded – Compulsory cut-off after flow period

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

Dynamically stable flow amplifying poppet valve

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

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

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