PALL

POROUS ALLOYS AND METALS-NAMELY, POROUS STAINLESS STEEL, FERROUS AND NONFERROUS WOVEN WIRE MESH SHEET MATERIAL, AND RIGIDIFIED WOVEN WIRE MESH SHEET MATERIAL SUITABLE FOR USE AS POROUS AIRCRAFT PARTS SUCH AS [ LEADING EDGES FOR WINGS ] AND CONTROL SURFACES FOR TURBINE AFTERBURNER LINES

[ INSULATION-NAMELY, ELECTRICAL INSULATION ]

FLUID PUMPS; [ SEWAGE TREATMENT AND DISPOSAL SYSTEMS; ] AND WATER CLARIFICATION APPARATUS

FLUID MEASURING, SENSING AND CONTROL DEVICES-NAMELY, FLUID COUPLINGS, PRESSURE SENSITIVE VALVES, FLOW RESPONSIVE VALVES, COMBINED PRESSURE AND TEMPERATURE RESPONSIVE VALVES, FLOW INDICATORS, GAUGES AND SWITCHES; FLUID PRESSURE SENSING INDICATORS, NAMELY, DIFFERENTIAL PRESSURE INDICATORS, PRESSURE SENSITIVE SWITCHES; TEMPERATURE SENSING AND CONTROL ELEMENTS, NAMELY, [ THERMOCOUPLES, THERMOCOUPLE ASSEMBLIES, AND THERMOWELLS; ] TEST EQUIPMENT, NAMELY, BUBBLE POINT TEST INSTRUMENTS, PORE SIZE DETERMINATORS, FILTER TEST EQUIPMENT, AND ULTRASONIC TESTING AND CLEANING EQUIPMENT AND SYSTEMS

FILTERS FOR FLUIDS-NAMELY, FILTER ELEMENTS, FILTER HOUSINGS, FILTER ASSEMBLIES AND PARTS THEREFOR, FILTER ASSEMBLIES HAVING RELIEF VALVES, FILTER MANIFOLDS, WOVEN WIRE MESH FILTERS, RIGIDIFIED WOVEN WIRE MESH FILTERS, PAPER FILTERS, POROUS PLASTIC FILTERS, FILTERS HAVING MICROPOROUS LAYERS, MEMBRANE FILTERS AND [ DIALYZERS, ] COALESCERS, [ CYCLONE AND VORTEX SEPARATORS, ] OIL REMOVAL FILTERS; WATER TREATMENT SYSTEMS-NAMELY, DEMINERALIZERS AND WATER CONDITIONERS AND VALVES THEREFOR; [ COOLING AND REFRIGERATING SYSTEMS AND COMPONENTS ]

[ ENVIRONMENTAL CONTROL SYSTEMS-NAMELY, AIR CONDITIONING AND HEATING EQUIPMENT FOR PERSONAL COMFORT, THERMOELECTRIC AIR CONDITIONING EQUIPMENT AND SYSTEMS, COOLING SYSTEMS AND COMPONENTS; ] HEAT EXCHANGERS FOR INDUSTRIAL AND AEROSPACE USE; GAS TRANSFER AND RECLAMATION SYSTEMS AND COMPONENTS; [ GAS DRYERS-NAMELY, DESICCANT AND REFRIGERANT GAS DRYERS AND COMPONENTS THEREFOR, CYCLING CONTROL AND TIMING DEVICES AND VALVES FOR DRYERS, GAS AND FLUID DEHYDRATORS AND COMPONENTS THEREFOR ]