ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,747, issued on March 31, was assigned to Haier US Appliance Solutions Inc. (Wilmington, Del.).

"Freeze prevention in stand-alone ice making appliance" was invented by Rachel Winckler (Louisville, Ky.) and Samuel Vincent DuPlessis (Louisville, Ky.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An ice making appliance includes a casing, a water tank, and an ice maker with an inlet. The ice making appliances also includes a fitting comprising two or more ports, and a flexible tubing conduit that includes a tube extending from one port of the fitting and a tube extending from another port of the fitting. One of the ports of the fitting is in fluid comm...