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US4285500A
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Stud block for an eccentric rotary valve
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US4041982A
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Double wall plug control valve
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US4022423A
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Control valve
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US3971414A
|
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Servo butterfly valve and vane
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US3934851A
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Butterfly valve having a split vane
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US3873063A
|
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Aspirated balance piston
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US4036470A
|
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Cantilevered ball valve
|
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US3776279A
|
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System for changing fluid movement into electrical energy
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US3779514A
|
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Control valve and process control system
|
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US3776265A
|
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Control valve and process control system
|
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US3747636A
|
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Control valve and process control system
|
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US3774882A
|
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Process flow meter
|
|
US3770242A
|
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Aerodynamically and hydrodynamically stable torqued butterfly valve and vane
|
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US3709245A
|
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Control valve and process control system
|
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US3703273A
|
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Low loss innervalve assembly
|
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US2529254A
|
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Controller
|
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US2437552A
|
|
Valve construction
|
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US2060723A
|
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Valve controlling means
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US1986511A
|
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Combination water feeder and overflow device
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US1671892A
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Damper regulator
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