ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,447,543, issued on Oct. 21, was assigned to Rolls-Royce Corp. (Indianapolis).
"Pulsed electrochemical machining" was invented by Rusty M. Garner (Indianapolis), Damon Ward (Indianapolis) and Monica Sy Munoz (Indianapolis).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pulsed electrochemical machining (pECM) system including a pECM assembly. The pECM assembly includes a tool body which defines a tool axis and includes an electrode which includes an electrically conductive material and defines working surface. The pECM system includes an electrolyte system configured to supply electrolyte to an interelectrode gap, and the electrolyte system includes a va...