ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,535,252, issued on Jan. 27, was assigned to York (Wuxi) Air Conditioning and Refrigeration Co. Ltd. (Jiangsu, China) and Tyco Fire & Security GmbH (Neuhausen am Rheinfall, Switzerland).

"Measurement apparatus and refrigeration system comprising same" was invented by Xiuping Su (Wuxi, China), Li Wang (Wuxi, China), Bin Yuan (Wuxi, China) and Chenggang Wu (Wuxi, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A measurement apparatus arranged on a pipe is configured to measure liquid content of a medium within the pipe. The apparatus includes a light transmission member, a light generation device, and a light reception device. The light generation dev...