ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,650, issued on March 18, was assigned to MCC5 GROUP SHANGHAI CORPORATION LIMITED (Shanghai).

"Apparatus for on-line temperature measurement and gas sampling used in chute zone of dry quenching coke oven and using method thereof" was invented by Cangjuan Han (Shanghai), Chunhua Tan (Shanghai), Wenjian Gao (Shanghai) and Pengmin Wu (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for on-line temperature measurement and gas sampling used in the chute area of CDQ coke oven. The oven external unit includes a temperature indicator, a gas tube, a vacuum tank, and the oven internal unit includes a temperature measuring element, a tempe...