ALEXANDRIA, Va., May 5 -- United States Patent no. 12,618,187, issued on May 5, was assigned to Haier US Appliance Solutions Inc. (Wilmington, Del.).

"Restrictor ring for an agitator of a washing machine appliance" was invented by Senthil Kandasamy (Louisville, Ky.), Troy Marshall Wright (Louisville, Ky.) and Isaiah Littlejohn (Louisville, Ky.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An agitator for a washing machine appliance may define an axial direction and a radial direction. The agitator may include a cylindrical shaft that may include one or more dispense ports defined therethrough. The agitator may further include a cap assembly positioned at a top portion of the agitator. The agitator may addit...