ALEXANDRIA, Va., March 3 -- United States Patent no. 12,567,549, issued on March 3, was assigned to Xiamen Hongfa Electrical Safety & Controls Co. Ltd. (Xiamen, China).

"Contactor and air conditioning system" was invented by Xiaoju Ji (Xiamen, China), Xiaoming Ke (Xiamen, China), Rencan Huang (Xiamen, China) and Xieli Zhang (Xiamen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure provides a contactor and an air conditioning system. The contactor includes a main body, a first electrical terminal, a second electrical terminal, a contact support, and a refrigerant blocking structure. The contact support is at least partially arranged in the main body and arranged between the first electrical...