ALEXANDRIA, Va., June 12 -- United States Patent no. 12,296,421, issued on May 13, was assigned to Energy Recovery Inc. (San Leandro, Calif.).

"Systems and methods for repairing fluid handling equipment" was invented by Farshad Ghasripoor (Berkeley, Calif.) and Jeremy Grant Martin (Oakland, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method includes removing a worn portion from a component of a rotary isobaric pressure exchanger (IPX). The rotary IPX is configured to exchange pressures between a first fluid and a second fluid. The method further includes repairing the component after the worn portion is removed from the component."

The patent was filed on May 25, 2021, under Application No. 17/3...