U.S. federal trademark · Serial No. 77721888 · Reg. No. 4045843
Evaluation of water quality; technical guidance on water quality improvement; providing water quality information; measurement and analysis of water quality of water for boilers and of boiler water; evaluation of water quality of water for boilers and of boiler water; technical guidance on water quality improvement of water for boilers and of boiler water; providing water quality information about water for boilers and about boiler water; chemical analysis of water quality of water for boilers and of boiler water; testing on water quality of water for boilers and on water quality of boiler water
Repair or maintenance of air-conditioning apparatuses; repair or maintenance of boilers; repair or maintenance of electric pumps; repair or maintenance of measuring and testing machines and instruments; repair or maintenance of water purifying apparatuses; repair or maintenance of cooling towers; repair or maintenance of garbage incinerators for industrial purposes; repair or maintenance of water-softening apparatuses; repair or maintenance of water purifying filters; repair or maintenance of water purifying sterilizers; repair or maintenance of pure water production systems using reverse osmosis membranes; repair or maintenance of dissolved oxygen removing apparatuses for water purification; repair or maintenance of piping rust preventing apparatuses for water purification; repair or maintenance of tap-water deoxidizing apparatuses for water purification; repair or maintenance of heat exchangers; repair or maintenance of waste water treatment equipment; repair or maintenance of bacteria control equipment for cooling towers
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.