ALEXANDRIA, Va., March 5 -- United States Patent no. 12,243,662, issued on March 4, was assigned to Holtec International.

"Neutron absorbing apparatus" was invented by Krishna P. Singh (Jupiter, Fla.), Evan Rosenbaum (Marlton, N.J.) and Thomas G. Haynes III (Tampa, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A neutron absorbing insert for use in a fuel rack. In one aspect, the insert includes: a plate structure having a first wall and a second wall that is non-coplanar to the first wall; the first and second walls being formed by a single panel of a metal matrix composite having neutron absorbing particulate reinforcement that is bent into the non-coplanar arrangement along a crease; and a plurality ...