ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,562,287, issued on Feb. 24, was assigned to TerraPower LLC (Bellevue, Wash.).

"Molten fuel reactor thermal management configurations" was invented by Anselmo T. Cisneros Jr. (Seattle), Christopher J. Johns (Tacoma, Wash.), Brian C. Kelleher (Seattle), Kevin Kramer (Redmond, Wash.), Jeffery F. Latkowski (Mercer Island, Wash.) and Jon D. McWhirter (Kirkland, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Configurations of molten fuel salt reactors are described that allow for active cooling of the containment vessel of the reactor by the primary coolant. Furthermore, naturally circulating reactor configurations are described in which the reactor cor...