Description: Class 1: Chemicals for the treatment and purification of water and wastewater
Class 7: Diffusers, aerators, switches, gauges, gas and liquid feeders, valves, nozzles, conveyors, venturis, tanks, mixers, heaters, heat exchangers, driers, electrodes, chemical reactors, strainers, screens, and pumps, all being parts of machines for water and wastewater treatment and purification
Class 9: Electrical and electronic controls and associated software for use in controlling, detecting, analyzing, transmitting, and monitoring water and wastewater treatment and purification units
Class 11: Water and wastewater treatment and purification units, and odor control units for use as part of water and wastewater treatment and purification units
Class 37: Providing installation, maintenance, cleaning and repair services of water and wastewater treatment and purification, and odor control equipment
Class 40: Consulting services in the field of water and wastewater treatment purification, namely, the physical, chemical, radiation-based, and biological water and wastewater treatment and purification
Class 41: Providing training for the operation, monitoring, control, maintenance and servicing of water and wastewater treatment and purification equipment and storage and distribution systems, and associated equipment and systems
Class 42: Design services in the field of water and wastewater treatment and purification facilities and research
