Measuring and testing – Fluid pressure gauge – With protective separator
Reexamination Certificate
2006-04-10
2008-10-07
Allen, Andre J (Department: 2855)
Measuring and testing
Fluid pressure gauge
With protective separator
Reexamination Certificate
active
07430917
ABSTRACT:
A process transmitter includes a hydraulic system with a fill fluid for transmitting pressure from a process fluid to a pressure sensor. The fill fluid contains hydraulic fluid and a self-activating stop-leak composition for preventing loss of fill fluid caused by leaks in the hydraulic system.
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Allen Andre J
Kinney & Lange , P.A.
Rosemount Inc.
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