Patents by Inventor John E. Curley

John E. Curley 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 liquefying material with retainer means
    Patent number: 4492594
    Abstract: In an arrangement for liquefying pulverulent materials such as glass batch, the material to be liquefied is deposited onto a sloped surface comprised of a compatible pulverulent material retained in place by a grid-like member.
    Type: Grant
    Filed: January 3, 1984
    Date of Patent: January 8, 1985
    Assignee: PPG Industries, Inc.
    Inventor: John E. Curley