ALEXANDRIA, Va., June 9 -- United States Patent no. 12,285,147, issued on April 29, was assigned to FOSHAN SHUNDE MIDEA WASHING APPLIANCES MANUFACTURING Co. LTD. (Guangdong, China).

"Adjustment device, air duct structure, exhaust system, dishwasher, and method for controlling dishwasher" was invented by Xiqing Zhu (Guangdong, China), Jie Geng (Guangdong, China) and Xiang Li (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An adjustment device, an air duct structure, an exhaust system, a dishwasher, and a method for controlling the dishwasher are provided. The adjustment device is applied in an exhaust system. The exhaust system has an exhaust channel with a second air inlet and a first air in...