ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,434,332, issued on Oct. 7, was assigned to GM GLOBAL TECHNOLOGY OPERATIONS LLC (Detroit).

"High hardness steel race welded to a carburized steel shaft and a method of welding the same" was invented by Huaxin Li (Rochester Hills, Mich.), Yi Liu (Troy, Mich.), Sen Jiang Zhou (Troy, Mich.) and Jack M. Gayney (Grosse Ile, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A gear box having a carburized shaft and steel bearing assembly. The bearing includes an inner-race and an outer-race. The shaft includes a distal end surface extending perpendicularly from a shaft faying surface and a shaft annular beveled edge. The shaft faying surface is in intimate co...