ALEXANDRIA, Va., June 9 -- United States Patent no. 12,286,697, issued on April 29, was assigned to VALLS BESITZ GMBH (Berlin).
"Low temperature hardenable steels with excellent machinability" was invented by Isaac Valls Angles (Terrassa, Spain).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to the application of at least partially bainitic or interstitial martensitic heat treatments on steels, often tool steels or steels that can be used for tools. The first tranche of the heat treatment implying austenitization is applied so that the steel presents a low enough hardness to allow for advantageous shape modification, often trough machining. Thus a steel product is obtained which ...