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Owners

Goods & Services

Sound attenuators, air measuring stations, namely, measuring and control devices for air conditioning technology; pressure relief valves for relieving a duct over-pressure condition in heating, air-conditioning and ventilation systems

Heating, air-conditioning and ventilation system control dampers, balancing dampers, non-return dampers, backdraft dampers for use in air ducts to regulate the flow of air; gravity shutters, louvers, and sand trap louvers for ventilating; chimney dampers, smoke dampers used in air ducts to regulate the flow of air; combination fire/smoke dampers for use in chimneys and fireplaces; air curtains for separating adjacent environments by a directional flow of air in heating, air-conditioning and ventilation systems, access doors, pressure relief dampers for use in air ducts to regulate the flow of air