U.S. federal trademark · Serial No. 73027839 · Reg. No. 1021937
PRESSURE ACTUATED MONITORING AND CONTROL UNITS FOR PROTECTING PUMPING, COMPRESSING AND FLUID STORAGE EQUIPMENT AGAINST HIGH OR LOW PRESSURES, HIGH OR LOW TEMPERATURES, HIGH OR LOW LIQUID LEVELS, AND/OR HARMFUL VIBRATION, SAID UNITS CONTROLLING THE OPERATION OF THE POWER UNITS FOR SUCH EQUIPMENT, THE MAJOR COMPONENT OF SAID MONITORING AND CONTROL UNITS COMPRISING VALVES, INDICATING PANELS, MEASURING GAUGES, SWITCHES, ELECTRICAL WIRING, TUBING, VIBRATION SENSORS AND TIMERS
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