manually operated metal valves; manually operated metal thermal expansion valves; manually operated metal ball valves

Compressors for machines; machine parts, namely, drive shafts sold as a component of compressors for machines; electric compressors for heat pumps

mechanical gas pressure regulators; temperature and moisture condition monitors for machines; machine controls, namely, electric reversers, electronic speed controllers, adjustable speed drivers, dynamo electric controls for electric motors, starting electric controls for electric motors for machines; radio frequency (RF) and wireless transmitters for use with moisture, humidity and/or temperature sensors, and with moisture, humidity and/or temperature indicators, recorders and control units; electric timers and thermostats; electronic and electro-mechanical temperature control valves; temperature responsive, flame responsive, and pressure responsive switching devices in the nature of electric switches, electric temperature controls, and thermostats; automatic flow control valves for refrigerating units; automatic control valves; electro-mechanical instruments in the nature of electronic sensors for use in measuring the pressure and flow of a valve or regulator; automatic check valves; automatic ball check valves; pressure relief automatic valves; safety valves, namely, shut-off valves for refrigeration and pneumatic circuits; automatic regulating valves; automatic valves for zone control in heating systems; automatic ball valves; combination automatic valves; solenoid valves; automatic valves; electromechanical controls for heating, cooling and refrigeration units; high temperature electronic oil controls; overheat electronic controls for use in electrical heaters; gas burner electronic controls; control valves for regulating the flow of gases and liquids; electronic temperature control valves; thermostats; thermostat automatic valves; electromechanical controls for appliances and refrigeration, heating, ventilation and air conditioning units; solid state temperature electronic controllers; overheat electronic controls that prevent machinery from overheating; electronic temperature control apparatus for control of heating/cooling units used in commercial applications; oil and gas burner electronic controls for boilers; solid-state flame detecting oil and gas burner controls for boilers; electromechanical power controllers for controlling HVAC/R systems and electronic control panels; electromechanical power controllers and electronic control panels for use with HVAC/R and energy management equipment; quality control instruments and equipment for predicting and detecting failures in high priority equipment, for monitoring the state of machines in the nature of electronic sensors; electronic computer monitors for monitoring operation of motors and machines; condensing units in the nature of condensers; power condition and room site management systems, namely, devices in the nature of computer-based sensors that predict and detect early failures in high-priority equipment and that offer immediate notification of machine and equipment problems, and advanced diagnostics to monitor the states of HVAC, refrigeration and lighting systems and equipment; electronic transmitters sold as a component of HVAC/R units; temperature sensors; remote operations electrical controllers; digital mass flow transmitters, multivariable transmitters; gauge pressure digital transmitters; electronic sensors; temperature validators in the nature of thermometers; electromechanical controls and pressure sensors; voltage regulators; pressure regulators; temperature regulators; fuel pressure regulators; voltage regulator by-pass electric switches; monitoring systems, namely, event recorders; electrical controllers; electrical voltage regulators; AC line voltage regulators; air, fuel and voltage regulators; electromechanical controllers for compressor packs; electromechanical controllers for display cases; timer electric switches sold as a component of thermostats; motor overload protectors in the nature of voltage surge protectors; circuit boards; liquid level flow measurement event recorders and electrical controllers; monitoring systems, namely, flow measurement event recorders and electrical controllers; electric switches; electronic controls for electrical heating units; electric sensors; voltage surge suppressors; surge protectors; electronic controllers for blowers for ventilating, heating and cooling purposes in other than land vehicles; automatic flow control valves for refrigeration units; automatic flow control valves for HVAC/R units; electric heating element controllers; refrigerant leak detectors, namely, detection units, comprised of ultra-violet lamps, florescent dyes and dye injectors; electrical controllers for heating elements

air filters sold as component parts for HVAC/R units; filter driers for use in HVAC/R and lighting systems; electric fans excluding box and window fans with blades twenty inches in diameters or less; filter driers used in drying and decontaminating fluids; electric heating units for HVAC/R systems and appliances; air filter-driers for use in refrigerant lines; electric air blowers for commercial, industrial, and institutional use; household and commercial air cleaners; electronic igniters for boilers; electric igniters for boilers

energy usage management

Remote monitoring of energy systems; remote monitoring of HVAC/R and lighting systems