Patents Examined by Robert J Hick
  • Patent number: 9078539
    Abstract: Cookware comprising a selectively bonded composite of at least two layers of materials wherein the first of the at least two layers of materials has a plurality of spaced-apart bubbles formed on its surface, defining a cooking surface of the cookware, and a second layer of two layers of material is bonded thereto, wherein the bonding between the bubbles and the second material is of a lesser degree than the bonding between the first and second layers of materials in areas intermediate the bubbles, whereby a coefficient of heat conductivity is greater in the intermediate areas than in the bubbles.
    Type: Grant
    Filed: March 17, 2014
    Date of Patent: July 14, 2015
    Assignee: All-Clad Metalcrafters LLC
    Inventors: William A. Groll, John Watkins