ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,409,284, issued on Sept. 9, was assigned to BMC MEDICAL Co. LTD. (Beijing).

"Systems and methods for delivering a respiratory gas" was invented by Lijun Liu (Beijing), Jianxin Zhi (Beijing), Zhi Zhuang (Beijing) and Min Chang (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A humidification assembly configured to humidify a pressurized respiratory gas is provided. The humidification assembly may include a liquid chamber configured to accommodate one or more liquids, the liquid chamber including a tank and a tank cover. The tank cover includes a shell, a humidification assembly gas inlet port, a humidification assembly gas outlet port, a first ga...