ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,091, issued on March 18, was assigned to GD MIDEA ENVIRONMENT APPLIANCES MFG Co. LTD. (Zhongshan, China) and MIDEA GROUP Co. LTD. (Foshan, China).

"Hinge assembly, household appliance, rotary device, and fan" was invented by Shiqiang Cui (Zhongshan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hinge assembly includes a rotation shaft, a first connection member provided at the rotation shaft, a second connection member provided at the rotation shaft, located at one side of the first connection member along an axial direction of the rotation shaft, and configured to rotate around the rotation shaft, and an adjustment member connected to the...