Patents by Inventor John Thomas Brown

John Thomas Brown 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).

  • Alkali resistant silica refractory
    Patent number: 6313057
    Abstract: A fused silica refractory material made from quartz grains and a method of making the material which contains calcium oxide binder in an amount less than one weight percent. The reduction in calcium oxide binder prevents the degradation of fused silica refractory bricks in furnace environments containing alkali vapors, such as in oxygen-fuel fired glass furnaces. The invention also includes a method of preventing the degradation of silica refractory material by alkalis.
    Type: Grant
    Filed: October 8, 1999
    Date of Patent: November 6, 2001
    Assignee: Corning Incorporated
    Inventors: John Thomas Brown, John F. Wosinski
  • Drum beater
    Patent number: D402683
    Type: Grant
    Filed: June 4, 1997
    Date of Patent: December 15, 1998
    Assignee: Premier Percussion Limited
    Inventors: Matthew Philip Brewster, John Thomas Brown