73545332
Jun 27, 1985
Aug 12, 1986
MANUALLY OPERATED VALVES AND METERING ACCESSORIES FOR THE PETROLEUM, PETROCHEMICAL * AND CHEMICAL * INDUSTRIES - NAMELY, BALL VALVES, [ DOUBLE BLOCK AND BLEED VALVES, COMBINATION PLUG AND CHECK VALVES, SELECTOR BALL VALVES AND GATE VALVES; ] METAL STRAINERS TO PROTECT METERS AGAINST DAMAGE FROM FOREIGN MATERIAL; METAL PIPING AND VANES FOR FLOW STRAIGHTENING ASSEMBLIES TO OPTIMIZE TURBINE METER PERFORMANCE
Metal Goods[ PUMPS FOR THE PETROLEUM, PETROCHEMICAL AND CHEMICAL INDUSTRIES-NAMELY, PLUNGER PUMPS; AND PISTON PUMPS; ] DEAERATORS
MachineryFLOW MEASUREMENT AND CONTROL APPARATUS FOR THE PETROLEUM, PETROCHEMICAL, AND CHEMICAL INDUSTRIES-NAMELY, CONTINUOUS FLUID FLOW MEASURING AND CONTROL MICROPROCESSORS, PRE-SET FLUID FLOW MEASUREMENT, CONTROL AND DELIVERY MICROPROCESSORS, AND ELECTRONIC MULTIPLE-STREAM FLOW BLENDERS; AUTOMATIC VALVES AND METERING ACCESSORIES FOR THE PETROLEUM, PETROCHEMICAL AND CHEMICAL INDUSTRIES - NAMELY DIAPHRAM VALVES, FOUR-WAY DIVERTER VALVES, POPET VVALVES, HYDRAULIC CONTROL VALVES, DEAERATORS AND BACK PRESSURE VALVES ,TANK SAFETY VALVES, CHECK VALVES, BALL CHECK VALVES, WAFER CHECK VALVES, AND AIR ILLUMINATOR HEADS TO RELEASE AIR FROM LIQUID FLOW PRIOR TO METERING; METAL VALVES AND ACCESSORIES FOR PRESSURIZED FLUID SERVICE INCLUDING STEAM, AIR, GAS, VAPORS, CRYOGENICS, AND LIQUIDS - NAMELY, [ SPRING DISC, RUPTURE DISC, ] SILENCER, RELIEF VALVES, SAFETY RELIEF VALVES, SAFETY VALVES, AND LARGE ORIFICE SAFETY RELIEF VALVES; PROVER AND LAUNCH CONTROL APPARATUS FOR PIPE LINE METERING ERROR DETECTION AND CORRECTION; ELECTRO-PNEUMATIC, ELECTRIC AND SOLENOID ACTIVATED BALL VALVES; TANK TRUCK LIQUID FLOW METERS; FLOW METERS INCLUDING TURBINE, POSITIVE DISPLACEMENT, PISTON, MAGNETIC, OVAL GEAR, POSITIVE DISPLACEMENT ROTARY VANE, AND NON-FERROUS METERS; COUNTERS TO SHOW RATE OF FLOW AND TOTAL FLOW; ULTRASONIC FLOW MONITORS TO DETECT MAJOR FLOW RATE CHANGE; ELECTRONIC AND MECHANICAL TOTALIZERS; FREQUENCY TO ANALOG CONVERTERS; AUTOMATIC TEMPERATURE COMPENSATORS FOR MEASURING LIQUID HYDROCARBON FLOW; ELECTRONIC CALIBRATORS; AND TRANSMITTERS FOR CONVERTING FLOW DATA TO DIGITAL ELECTRONIC SIGNALS FOR REMOTE INSTRUMENTATON; INSTRUMENTATION FOR PRESURIZED FLUID SERVICE INCLUDING STEAM, AIR, GAS, PROCESS FLUIDS, AND LIQUIDS - NAMELY, GAUGES, THERMOMETERS, VALVE TEST BENCHES, AND PRESSURE, TEMPERATURE AND HUMIDITY RECORDERS
Electrical and Scientific Apparatus