Patents by Inventor Frank J. Bubon

Frank J. Bubon 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).

  • Glass forehearth
    Patent number: 5383949
    Abstract: A glass forehearth is disclosed which is made up of upstream and downstream zones each having a roof structure which divides the channel into opposed side channels separated by a central channel. The glass in the central channel is heated for at least a portion of its length enabling the flow rate of the forehearth to be decreased.
    Type: Grant
    Filed: June 6, 1994
    Date of Patent: January 24, 1995
    Assignee: Emhart Glass Machinery Investments Inc.
    Inventors: Frank J. Bubon, Kenneth J. Paul, Steven J. Pinkerton