About 2 Trademarks found that are owned by Yang Chang Gul

automatic pressure reducing and check valves with electric shut-off controls and automatic flow rate control valves for use with steam

steam valves and traps, namely, pressure reducing valves, pressure relief valves, float modulating valves, safety relief valves, thermodynamic traps and heavy duty (float type) traps

steam valves and traps, namely, pressure reducing valves, pressure relief valves, float modulating valves, safety relief valves, thermodynamic traps and heavy duty (float type) traps

automatic pressure reducing and check valves with electric shut-off controls and automatic flow rate control valves for use with steam