ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,214,310, issued on Feb. 4, was assigned to QINGDAO KINGON MEDICAL SCIENCE AND TECHNOLOGY Co. LTD. (Qingdao, China).

"Systems and methods for oxygen production" was invented by Wu Xiao (Qingdao, China), Bang An (Qingdao, China), Changpeng Chu (Qingdao, China), Benrong Zhang (Qingdao, China), Mingshan Wang (Qingdao, China) and Yujie Li (Qingdao, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An oxygen production system (100) may include a main control module (120) and a molecular sieve module (140). The molecular sieve module (140) may include a molecular sieve and a molecular sieve information unit. The molecular sieve information unit may be config...