ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,560,320, issued on Feb. 24, was assigned to Guangdong Sleek Intelligent Technology Co. Ltd (Foshan, China).

"Energy-efficient upside-entrainment burning system" was invented by Zhoucheng Li (Chongzuo, China), Fa'en Shi (Ganzhou, China), Xiaorong Tian (Ziyang, China), Qiuxia Mo (Zhaoqing, China), Weideng Mo (Foshan, China), Baohua Ai (Zhongshan, China), Yuanlin Yang (Meizhou, China) and Yunzhen Mo (Guilin, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure discloses an energy-efficient upside-entrainment burning system, which includes: a gas distributor component, an ejection pipe component, an outer-ring burner cap, an inner-rin...