Patents by Inventor John B. Ulam

John B. Ulam has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4646935
    Abstract: A cooking utensil for use with an induction range has a first layer including a magnetic metal which is capable of being inductively heated, and a second layer which includes a ply of aluminum and a ply of copper, this second layer being in intimate thermally conducting contact with the first layer and being located interiorly of the utensil with respect to the first layer. The first layer may have a ply of carbon steel located between two plies of stainless steel.A disclosed utensil has its bottom and side walls formed of a first layer with an inner ply of inductively heatable magnetic material, and an outer ply of copper or stainless steel; a second layer with a thermally conductive aluminum or copper ply which lies in direct contact with the magnetic material; and, a stainless steel layer at the interior of the utensil. A stainless steel ring encloses the perimetral edge of the utensil wall.
    Type: Grant
    Filed: January 18, 1985
    Date of Patent: March 3, 1987
    Assignee: Clad Metals, Inc.
    Inventor: John B. Ulam
  • Patent number: 4347722
    Abstract: A metal sheet is deformed to produce a blank which has one side which is smooth and another side which is ornamented with a pattern of raised and/or depressed areas. The blank is deformed to produce a cooking vessel which has the ornamented side located on its exterior surface.
    Type: Grant
    Filed: May 19, 1980
    Date of Patent: September 7, 1982
    Inventor: John B. Ulam
  • Patent number: 4246045
    Abstract: A new clad metal product free from orange peel effect is provided consisting of a core having at least one layer each of copper and of aluminum coated aluminum alloy and at least one outer cladding layer of stainless steel on the layer of aluminum coated aluminum alloy.
    Type: Grant
    Filed: April 24, 1979
    Date of Patent: January 20, 1981
    Assignee: Clad Metals, Inc.
    Inventor: John B. Ulam
  • Patent number: 4167606
    Abstract: A new clad metal product free from orange peel effect is provided consisting of a core having at least one layer each of copper and of aluminum coated aluminum alloy and at least one outer cladding layer of stainless steel on the layer of aluminum coated aluminum alloy.
    Type: Grant
    Filed: January 6, 1978
    Date of Patent: September 11, 1979
    Assignee: Clad Metals, Inc.
    Inventor: John B. Ulam
  • Patent number: 4103076
    Abstract: A new clad metal product is provided consisting of a core having at least one layer each of copper and of aluminum and at least one outer cladding layer of stainless steel on the layer of aluminum.
    Type: Grant
    Filed: November 22, 1976
    Date of Patent: July 25, 1978
    Assignee: Clad Metals, Inc.
    Inventor: John B. Ulam
  • Patent number: 3952938
    Abstract: A method of forming a composite metal product is provided, wherein the product so formed consists of of a core having at least one layer each of copper and of aluminum and at least one outer cladding layer of stainless steel.
    Type: Grant
    Filed: December 10, 1973
    Date of Patent: April 27, 1976
    Assignee: Clad Metals, Inc.
    Inventor: John B. Ulam