Patents by Inventor Robert R. Walker, deceased

Robert R. Walker, deceased 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).

  • Steam temperature control using a modified Smith Predictor
    Patent number: 4791889
    Abstract: A system for controlling steam temperature in a boiler using a time delay feedback controller known as a Smith Predictor to provide control tuning of true boiler parameters which change with load.
    Type: Grant
    Filed: April 2, 1987
    Date of Patent: December 20, 1988
    Assignee: The Babcock & Wilcoc Company
    Inventors: Theodore N. Matsko, Robert S. Rand, Thomas D. Russell, Thomas J. Scheib, Robert R. Walker, deceased