Patents by Inventor Kwang J. Won

Kwang J. Won 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).

  • Method and apparatus for inductively heating molten glass or the like
    Patent number: 4610711
    Abstract: Glass or the like is melted by liquefying batch materials in a first stage by means of radiant heating, and further advancing the melting process in a second stage where the melt is heated by induction heating. Another aspect of the invention provides a residence zone at the exit of the induction heating stage to aid elimination of gaseous inclusions.
    Type: Grant
    Filed: October 1, 1984
    Date of Patent: September 9, 1986
    Assignee: PPG Industries, Inc.
    Inventors: Joseph M. Matesa, Kwang J. Won, Henry M. Demarest, Jr.
  • Submerged oxygen-hydrogen combustion melting of glass
    Patent number: 4545800
    Abstract: Molten material is heated by submerged combustion of hydrogen with oxygen so that the product of combustion injected into the melt is low in volume and consists essentially of water vapor which is relatively soluble in a material such as molten glass. Preferred embodiments involve liquefying the batch materials in a first stage and subjecting the liquefied materials to submerged combustion in a second stage.
    Type: Grant
    Filed: July 19, 1984
    Date of Patent: October 8, 1985
    Assignee: PPG Industries, Inc.
    Inventors: Kwang J. Won, George A. Pecoraro