ALEXANDRIA, Va., March 3 -- United States Patent no. 12,565,939, issued on March 3, was assigned to GUANGZHOU RISING DRAGON RECREATION INDUSTRIAL Co. LTD. (Guangzhou, China).

"Electric diverter valve capable of realizing accurate flow control" was invented by Bo Liang (Guangzhou, China) and Ziqin Guo (Guangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electric diverter valve includes a controller which controls a motor to drive a valve core to rotate with respect to a valve body to realize multi-stage control of the corresponding water flow rate of water outlets. Moreover, a disk with rectangular holes is provided to work together with a first control circuit board comprising an infrared dete...