BRISTOL

Class [009]
Instruments used for indicating, recording, controlling, liquid-level measuring, pressure controlling and pressure measuring, namely, turbine meters, ultrasonic flow meters, flow meters, electronic flow computers, gas chromatographs, gate valves, surge relief and flow control valves, and valve actuators and controls, gas and fluid flow equipment in the nature of metering orifices, orifice plates for metering or controlling the flow rate of liquids, and computers and computer software for controlling the aforementioned metering orifices and orifice plates; thermometers, temperature controlling instruments, namely, temperature controllers for gas and fluid flow; pressure indicators in the nature of sensors and temperature recorders; apparatus, namely, computers, computer software and electronic signal processors for transmitting and recording fluid pressures corresponding to variable magnitudes, namely, temperature, flow, pressure, and liquid levels.