Patents by Inventor Elmer G. Gullett

Elmer G. Gullett 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 guiding glass batch in a glass melting furnace
    Patent number: 4319904
    Abstract: The batch layer in a continuous glass melting furnace is guided by means of an elongated, horizontally extending, rudder-like member inserted into the upper side of the batch layer.
    Type: Grant
    Filed: September 8, 1980
    Date of Patent: March 16, 1982
    Assignee: PPG Industries, Inc.
    Inventor: Elmer G. Gullett