ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,768,581, issued on Oct. 20, was assigned to Klaris Inc. (Minneapolis).
"Ice production insert" was invented by Charles Haider (St. Paul, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An ice machine, tray, and tray insert are provided. A heat exchanger cools the liquid to freezing, then overcomes the heat of fusion to form ice. The tray includes an energy transfer surface in thermal contact with the heat exchanger to define a liquid/ice boundary layer. The tray further includes at least one freezing cavity. An egress area is defined in the tray above the freezing cavity. An insert traps a small volume of liquid, thus hindering movement of the liqu...