11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
air curtains, namely, hot and cold air blowers for room openings; air purifiers; humidifiers; electric air dryers; air reheaters; air handlers; hot air heating apparatus, namely, hot air blowers and hot-air space heating apparatus for industrial purposes; air-conditioning apparatus; air-conditioning installations; room humidifiers; ventilation terminals, namely, ventilation hoods, turbine ventilators, heat recovery ventilators, and ventilating exhaust fans; air inductor apparatus for ventilation, namely, air conditioners, industrial furnaces, and ventilating exhaust fans; air treatment equipment, namely, ionization apparatus for the treatment of air, air sterilizers, air filtering units, and air purifiers; heating, ventilating, and air conditioning and ambient purification equipment, namely, heating installations, ventilating exhaust fans, air-conditioners, and air purifiers; air recirculating apparatus, namely, electric fans, ceiling fans, and fans for hvac units; heating installations; air heat recovery installations, namely, heat recovery ventilators; refrigerating machines and installations; air handling installations