ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,416,559, issued on Sept. 16, was assigned to Peking University (Beijing).

"Measurement apparatus and method for hydrogen solubility and competitive dissolution of multi-component gases" was invented by Quanyou Liu (Beijing) and Pengpeng Li (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A measurement apparatus for hydrogen solubility and competitive dissolution of multi-component gases includes a gas dissolution mechanism, and the gas dissolution mechanism includes a heat-insulated box. A first piston plate and a second piston plate are slidably connected in a dissolution cylinder and a gas cylinder, respectively, a middle part of the first pis...