ALEXANDRIA, Va., Feb. 12 -- United States Patent no. 12,222,149, issued on Feb. 11, was assigned to Haier US Appliance Solutions Inc. (Wilmington, Del.).

"Refrigerator appliances and ice making assemblies having one or more ice ejection cams" was invented by Brent Alden Junge (Louisville, Ky.), Alan Joseph Mitchell (Louisville, Ky.) and Bart Andrew Nuss (Fisherville, Ky.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A refrigerator appliance or ice making assembly may include an ice mold, a heat exchanger, a lifter arm, and a cam shaft. The ice mold may define a mold cavity for receiving water. The heat exchanger may be in thermal communication with the ice mold to freeze the water and form one or more ice c...