ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,781,892, issued on Nov. 3, was assigned to BWXT Advanced Technologies LLC (Lynchburg, Va.).

"Thermal expansion coupler" was invented by Michael C. Staton (Lynchburg, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An expansion coupler locatable between a first pipe and a second pipe has a tubular member defining a flow path. First and second telescopic members are located external to the tubular member. A portion of the first telescopic member axially overlaps a portion of the second telescopic member. At least one of the first telescopic member and the second telescopic member is axially movable with respect to the other of the first telescopic membe...