ALEXANDRIA, Va., July 15 -- United States Patent no. 12,660,974, issued on June 23, was assigned to BISSELL Inc. (Grand Rapids, Mich.).

"Extraction cleaner with rotating tool grip" was invented by Daniel Koh (Kulai, Malaysia).

According to the abstract* released by the U.S. Patent & Trademark Office: "An extraction cleaner is provided. The extraction cleaner includes a housing supporting a fluid delivery system configured to store cleaning fluid and to deliver the cleaning fluid to a surface to be cleaned, and a fluid recovery system configured to remove the fluid and debris from the surface to be cleaned and to store the recovered fluid and debris. A flexible hose includes a first conduit in fluid communication with the fluid delivery sy...