ALEXANDRIA, Va., May 19 -- United States Patent no. 12,633,428, issued on May 19, was assigned to ROLLS-ROYCE SMR Ltd. (Derby, Great Britain).

"Closure head lifting device for a nuclear reactor" was invented by Adam Spinks (Derby, Great Britain), Daniel Robertson (Derby, Great Britain), Stephen Calvert (Derby, Great Britain), Matthew Morris (Derby, Great Britain), Euan Sharp (Derby, Great Britain) and Gerard Halliday (Derby, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a lifting device for lifting a closure head assembly from a reactor vessel body in a nuclear power generation system. The lifting device comprises at least one lifting element having an engagemen...