US Patent Issued to All-Clad Metalcrafters on Sept. 29 for "Cookware with copper bonded layer" (Pennsylvania Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,745,872, issued on Sept. 29, was assigned to All-Clad Metalcrafters LLC (Canonsburg, Pa.).

"Cookware with copper bonded layer" was invented by William A. Groll (McMurray, Pa.) and Bruce W. Perry (Canonsburg, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an article of cookware and a method of making the same. The cookware has at least one stainless steel layer and at least one copper layer metallurgically bonded directly to the at least one stainless steel layer via solid state bonding. The at least one stainless steel layer may be a ferritic stainless steel layer, and the at least one copper layer may be a grain stabilized copper. The ...