11 Environmental control apparatus, namely, HVAC systems (heating, ventilation and air conditioning), namely, HVAC units, heat pumps, portable spot cooling units in the nature of air conditioners, air and water cooled condensing units in the nature of refrigeration condensers, air handlers and de-humidifiers; Cooling evaporators; Separators for cleaning and purification of air; Heating equipment, namely, heating furnaces, gas burners, heat exchangers, other than parts for machines; Ventilating equipment, namely, ventilating exhaust fans; Ventilators, namely, supply air and exhaust air ventilators, pressure relief ventilators, hooded roof gravity ventilators and heat recovery ventilators; Fire ventilators, namely, ventilators for exhausting smoke, fumes, gases and vapors; Energy recovery ventilators; Ventilators with heating and cooling options, namely, unit ventilators for commercial and domestic use; Air conditioning apparatus, namely, air-conditioning installations; Refrigeration equipment, namely, food and beverage chilling units; Refrigeration equipment, namely, refrigeration units comprised of fans, chillers, cooling coils, sprayers and pumps; Air conditioning apparatus consisting of electric fans, water chillers, air chillers, cooling coils; Heat pumps; Valves as parts of refrigeration devices; Separators for the cleaning and purification of liquids, gases and air; Apparatus for heating, cooling, namely, thermosiphon cooler hybrid systems for power plants consisting primarily of a thermosiphon cooler; Manual air volume dampers, namely, dampers used to control the air flow and pressure in heating, ventilating and air conditioning systems; Dampers, namely, control devices used in air ducts to regulate the flow of air; Smoke dampers, namely, devices used in heating, ventilation, and air conditioning ducts to prevent the flow and spread of smoke inside the ductwork; Control dampers, namely, control devices used to regulate the flow of air in heating, ventilation and air conditioning systems and ducts; Manual damper regulators and regulator sets comprising chain, pulleys, hooks and screws packaged together, for use in air ducts to regulate the flow of air; Temperature responsive control apparatus, namely, thermostatic valves, thermostatic radiator valves and dampers for use in heating, ventilation and air conditioning systems; Thermostatic valves; Valves as part of radiators, namely, thermostatic radiator valves; Valves for air conditioners; Electric fans; Spring return plant valve actuators for use with valves in heating, ventilation and air conditioning applications and systems; Terminal unit valve actuators, namely, for use with valves in heating, ventilation and air conditioning applications and systems
Trademark: 87461906
