US Patent Issued to HYDROMECANIQUE ET FROTTEMENT on April 15 for "Method for treating a part made of ferrous metal, and part made of ferrous metal" (French Inventors)

ALEXANDRIA, Va., June 5 -- United States Patent no. 12,276,032, issued on April 15, was assigned to HYDROMECANIQUE ET FROTTEMENT (Andrezieux-Boutheon, France).

"Method for treating a part made of ferrous metal, and part made of ferrous metal" was invented by Luc Hermann (Lyons, France) and Vincent Monteux (La Talaudiere, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for treating a part made of ferrous metal includes a nitriding operation forming on the part a combination layer having a thickness of between 5 and 30 micro metre, and a diffusion region, arranged beneath and in contact with the combination layer, having a thickness of between 100 micro metre and 500 micro metre. The method also...