Patents by Inventor William J. Miles, Jr.

William J. Miles, Jr. 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).

  • Foundry mold composition, foundry mold made therefrom and method for producing the same
    Patent number: 5372636
    Abstract: A composition for use in producing a foundry mold, a foundry mold of the composition and a method for making the foundry mold from the composition. The composition includes sodium smectite clay and at least one of a metal oxide, hydroxide or salt as a mineral clay component of the composition. This mineral clay component is present in the composition along with water and foundry sand. The metal of the oxide, hydroxide or salt may be aluminum, calcium, iron, potassium, magnesium, boron or zinc. The sodium smectite clay may be at least one of bentonite, hectorite or saponite.
    Type: Grant
    Filed: January 22, 1993
    Date of Patent: December 13, 1994
    Assignee: Bentonite Corporation
    Inventors: Steven R. Gray, William J. Miles, Jr.