ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,484,138, issued on Nov. 25, was assigned to KENNAMETAL INC. (Latrobe, Pa.).
"Coated nozzles for arc torches" was invented by Robert J. Vasinko (Latrobe, Pa.), Qingjun Zheng (Export, Pa.), Corinne Charlton (Pittsburgh) and Joern Kohlscheen (Forchheim, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "In one aspect, nozzles for arc torches are described herein comprising refractory coatings for increasing nozzle operational lifetimes via resistance to weld splatter and the associated accumulation of molten metal deposits. In one aspect, a nozzle for an arc torch comprises a first body including a central bore and an exterior surface. A coating is adh...