74443381
Apr 15, 1993
air filtration systems consisting of filters, filter housings, ducts, blowers and fans, and controllers for blowers and fans; dust extraction and collection systems consisting of filters, electrostatic precipitators, cyclonic separators, ducts, blowers and fans, and controllers for blowers and fans; air pollution control systems consisting of filters, dust and particle extractors, air stack scrubbers, ducts, blowers and fans, and controllers for blowers and fans; dust exhaustion systems consisting of filters ducts, blowers and fans, and controllers for blowers and fans; noise control systems consisting of baffles and sound deadeners for heating and ventilating machines; heating, drying and ventilating systems for industrial purposes, consisting of heaters, blowers, fans, controllers, filters and ducts; heat exchange and energy transfer systems consisting of heat exchangers, manifolds, condensers, evaporators, filters, ducts, piping, pumps, valves, blowers and fans, and controllers for pumps, valves, blowers and fans; kilns; timber drying kilns; wood waste heat, combustion and energy plant systems consisting of furnaces, boilers, hearths, pumps, turbines, pipes, ducts, fuel feeders, and controllers for pumps, turbines and fuel feeders; parts and fittings for all of the above, namely, ventilating fans and heat pumps for industrial use
Environmental Control Apparatus