-
9
Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus.
computer analysis and product selection software in the field of heating, cooling, refrigerating, ventilation, energy recovery, and sound control; electronic, hydraulic, pneumatic and digital building controls for controlling heating, cooling, refrigerating, ventilating, air quality and energy recovery equipment; sound attenuators for use in or around heating, cooling, refrigerating, ventilating, air quality and energy recovery equipment
-
11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
heating, cooling, refrigerating, ventilation and energy recovery equipment, namely, air handling equipment and packaged and custom-engineered air conditioners, chillers, gas, electric, hydronic and solar heaters, ventilation fans for residential, commercial and industrial use, humidifiers, dehumidifiers, and steam generators; heating, ventilating and air conditioning products, namely, ventilating louvers, fan and blower silencers, and transfer silencers; sound silencers incorporated into or on heating, cooling, refrigerating, ventilating, air quality and energy recovery equipment
-
17
Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes; plastics in extruded form for use in manufacture; packing, stopping and insulating materials; flexible pipes, not of metal.
acoustical panels for buildings; acoustical sidewall insulation; acoustical architectural products, namely, acoustical louvers, acoustical plenums, internal sound attenuators and liners
-
37
Building construction; repair; installation services
construction of environmental control centers for buildings that incorporate equipment such as pumps, boilers and electrical control centers