ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,705, issued on Dec. 16, was assigned to HANGZHOU OXYGEN PLANT GROUP Co. LTD. (Hangzhou, China).

"Device and method for producing hydrogen and byproduct oxygen by using green electricity electrolyzed water" was invented by Yisong Han (Hangzhou, China), Fang Tan (Hangzhou, China), Xudong Peng (Hangzhou, China), Lijian Lao (Hangzhou, China), Ling Li (Hangzhou, China), Lei Yao (Hangzhou, China), Meifeng Ren (Hangzhou, China), Shenjun Xu (Hangzhou, China) and Xiaoyu Xie (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device and a method for producing hydrogen and byproduct oxygen by using green electricity electrolyzed water are provide...