ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,723,391, issued on Sept. 1, was assigned to QUANZHOU KOMOO INTELLIGENT KITCHEN & BATH Co. LTD (Quanzhou, China).

"Waste discharge pipe, waste discharge system, waste discharge control method, waste discharge control apparatus, and toilet" was invented by Xiaofa Lin (Quanzhou, China), Xiaoshan Lin (Quanzhou, China), Shan Lin (Quanzhou, China), Rongrong Xu (Quanzhou, China) and Zhida Chen (Quanzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A waste discharge pipe having: a pipe main body, provided with a waste inlet, a waste discharge port, and an overflow port, wherein the waste discharge port and the waste inlet face different directions; the...