ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,718,961, issued on Aug. 25, was assigned to TERRAPOWER LLC (Bellevue, Wash.).

"System including a bypass pipe that routes some sodium coolant from a primary pump discharge upward to sodium measuring instruments located near a nuclear reactor head" was invented by Stephen Moore (Kirkland, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a sodium fast reactor, a bypass pipe is fluidly coupled to the primary sodium pump discharge and diverts a portion of the primary sodium coolant to an instrument assembly. The bypass pipe routes flowing sodium upward toward the reactor head where it fluidly couples to the instrument assembly. The instrument assembl...