ALEXANDRIA, Va., June 5 -- United States Patent no. 12,274,411, issued on April 15, was assigned to LG Electronics Inc. (Seoul, South Korea).

"Cleaner" was invented by Philjae Hwang (Seoul, South Korea), Mantae Hwang (Seoul, South Korea), Jungbae Hwang (Seoul, South Korea), Eunji Sung (Seoul, South Korea) and Taekgi Lee (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cleaner includes: a main body that forms an external shape; a dust container that is separably combined with the main body and stores dust separated from air; a dust container cover that is configured to open and close the dust container; a handle unit that is disposed behind the dust container; and an operating member that ...