ALEXANDRIA, Va., May 5 -- United States Patent no. 12,618,488, issued on May 5, was assigned to ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT Co. LTD. (Shaoxing, China).

"Electromagnetic valve and electromagnetic valve assembly" was invented by Zhongbo Feng (Shaoxing, China), Wenrong Zhang (Shaoxing, China), Fugang Wang (Shaoxing, China) and Zhepeng Li (Shaoxing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electromagnetic valve and an electromagnetic valve assembly are provided. The electromagnetic valve includes a first elastic member. An end of the first mounting cavity proximal to the valve port is provided with a limiting portion integrated with the valve body, the first elastic member is sleeved on ...