ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,723,763, issued on Sept. 1, was assigned to FOSHAN SHUNDE MIDEA WASHING APPLIANCES MANUFACTURING Co. LTD. (Foshan, China).

"Control method for range hood and range hood" was invented by Xueping Yan (Foshan, China) and Changyang Qiu (Foshan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a control method for a range hood and a range hood. The range hood includes a fan, and the control method includes: collecting a current operating state parameter of the fan; determining a current air duct parameter based on the current operating state parameter; and controlling operations of the fan based on the current air duct par...