Patents by Inventor Allen W. Beal

Allen W. Beal 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 for regulating sulfur dioxide emissions from a recovery furnace
    Patent number: 5419812
    Abstract: In general, the invention features method for regulating sulfur dioxide emissions from the recovery furnace of a Kraft paper mill.
    Type: Grant
    Filed: September 3, 1992
    Date of Patent: May 30, 1995
    Assignee: The Foxboro Company
    Inventor: Allen W. Beal