97528871
Aug 1, 2022
Valve pressure indicators; electrical switches valve position indicators; valve position switches; visual valve position indicators being indicator lights; sensory apparatus that determines whether a valve is open or is closed; sensory apparatus that senses when a valve is opened or closed; valve position sensors; position sensing vacuum gauges for valves; position determining sensors for valves; apparatus that uses mechanical sensors to determine whether a valve is open or is closed and communicates this information; apparatus that uses electrical sensors to determine whether a valve is open or is closed and communicates this information; apparatus that uses sensors to determine whether a valve is open or is closed and communicates this information; replacement parts and fittings for all the aforesaid goods; none of the aforesaid goods being or including fiber optic instruments, namely, mechanical fiber optic switches
Electrical and Scientific Apparatus