ALEXANDRIA, Va., July 28 -- United States Patent no. 12,692,638, issued on July 28, was assigned to LG Electronics Inc. (Seoul, South Korea).

"Laundry treatment device and control method therefor" was invented by Kook Bae Joo (Seoul, South Korea), Ka Yeon Kim (Seoul, South Korea) and Hyun Seok Seo (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of controlling a laundry treatment device includes introducing washing water into a tub of the laundry treatment device, identifying first turbidity information on the washing water after the washing water is introduced into the tub, identifying a type of detergent based on the identified first turbidity information, and controlling a washi...