ALEXANDRIA, Va., May 12 -- United States Patent no. 12,626,828, issued on May 12, was assigned to UT-BATTELLE LLC (Oak Ridge, Tenn.).

"Tritium-compatible cryogenic pellet gas gun" was invented by Larry R. Baylor (Oak Ridge, Tenn.), Steven J. Meitner (Oak Ridge, Tenn.) and William D. McGinnis (Oak Ridge, Tenn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A tritium-compatible pellet gas gun for a deuterium-tritium (D-T) pellet fueling apparatus is provided. In one aspect, the tritium-compatible pellet gas gun includes a pellet sizer assembly that provides in situ adjustment of pellet length during injector operation. The pellet sizer assembly includes a guillotine slide that is actuated by a pusher tube, the...