ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,390,780, issued on Aug. 19, was assigned to Southern University of Science and Technology (Shenzhen, China).

"Mixing device and liquid mixing method" was invented by Qiongyu Guo (Shenzhen, China) and Zhengchang Chen (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure relates to a mixing device and a liquid mixing method. The mixing device comprises a first clamping assembly, a second clamping assembly and a driving assembly, the first clamping assembly is used for fixing a first container containing a first liquid, the second clamping assembly is used for fixing a second container containing a second liquid, the first containe...