ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,731,700, issued on Sept. 8, was assigned to BWXT Advanced Technologies LLC (Lynchburg, Va.).

"Heat pipe fuel element and fission reactor incorporating same, particularly having phyllotaxis spacing pattern of heat pipe fuel elements, and method of manufacture" was invented by Benjamin D. Fisher (Lynchburg, Va.), Craig D. Gramlich (Forest, Va.), Ross E. Pivovar (Lynchburg, Va.), John R. Salasin (Lynchburg, Va.) and Jonathan K. Witter (Forest, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A heat pipe fuel element includes an evaporation section, a condensing section, a capillary section connecting the evaporation section to the condensing section, and...