US Patent Issued to L.E. JONES on Sept. 29 for "Sintered engine part and method of manufacture thereof" (Michigan, Texas Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,746,597, issued on Sept. 29, was assigned to L.E. JONES COMPANY (Menominee, Mich.).

"Sintered engine part and method of manufacture thereof" was invented by Cong Yue Qiao (Menominee, Mich.) and David M Doll (Fort Worth, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A powder admixture useful for making a sintered engine part such as a valve seat insert includes a first iron-base powder and second iron-base powder wherein the first iron-base powder has a higher hardness than the second iron-base powder, the first iron-base powder including, in weight percent, 1-2% C, 10-25% Cr, 5-20% Mo, 15-25% Co, and 30-60% Fe, and the second iron-base powder in...