ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,406, issued on Oct. 7, was assigned to SWAGELOK COMPANY (Solon, Ohio).
"Activation of self-passivating metals using reagent coatings for low temperature nitrocarburization in the presence of oxygen-containing gas" was invented by Frank Ernst (Cleveland Heights, Ohio), Todd Johns (Solon, Ohio), Ronald Edmonson (Munroe Falls, Ohio), Cyprian Adair William Illing (Cleveland Heights, Ohio), Peter C. Williams (Cleveland Heights, Ohio) and Christina Semkow (University Heights, Ohio).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for low-temperature interstitial case formation on a self-passivating metal workpiece includes exposing the workpiece in a...