US2020240441A1
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Constructing valve positioners for hazardous areas
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US2020347957A1
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Expandable pilot assembly for pressure regulators
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US2020347956A1
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Pilot-operated pressure regulator
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US2020292089A1
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Valve control assembly
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US2020116171A1
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Compensating for orientation of a valve positioner on a valve assembly
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US2019101426A1
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Maintaining redundant data on a gas meter
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US2019032810A1
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Manufacture of remote control stations for use to operate actuators on a valve assembly
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US2018316987A1
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Converting data from one protocol to another on metrology hardware
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US2019226926A1
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Measuring deformation of a compression spring to monitor performance of a safety valve
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US2019120263A1
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Constructing valve positioners for hazardous areas
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US2019093781A1
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Regulating overtravel in bi-furcated plugs for use in valve assemblies
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US2019032683A1
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Generating two pneumatic signals to operate an actuator on a valve assembly
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US2019017626A1
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Using short-range wireless connectivity to transmit data from a valve assembly
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EP2332020A2
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Fluid process control
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