ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,234,632, issued on Feb. 25, was assigned to Komoo Intelligent Technology Co. Ltd. (Fujian, China).
"Foaming device and foaming toilet" was invented by Xiaofa Lin (Fujian, China), Xiaoshan Lin (Fujian, China), Zuhua Liu (Fujian, China), Shan Lin (Fujian, China) and Yanxin Xu (Fujian, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A foaming device comprises a valve body, a pump, and a self-suction spray head. The valve body comprises a water inlet port, a liquid inlet port, a mixing cavity, and a liquid outlet port. Each of the water inlet port, the liquid inlet port, and the liquid outlet port is in communication with the mixing cavity, and an inpu...