IC 009. US 021 023 026 036 038. G & S: Digital controllers, namely, temperature controllers for driving valves and for hydraulic equipment for liquids
IC 011. US 013 021 023 031 034. G & S: Safety release valves for controlling pressure in heating systems when the pressure reaches dangerous levels; thermal discharge valves to ensure the water temperature in heating systems does not reach dangerous levels; anti-condensation valves for mixing hot and cold water and controlling temperature of heat generators; heating systems comprised primarily of pumps and valves through which cold, warm, or high temperature water circulates in heat generators
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