Patents by Inventor John S. Manning

John S. Manning 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 controlling gas flow to ceramic plaque burners of differing sizes
    Patent number: 5915952
    Abstract: A radiant gas heater includes a first ceramic plaque burner and an adjacent and larger second plaque burner. A valve spindle is movable to establish in series "Low," "Medium" and "High" heat positions by first supplying gas in the vicinity of the first burner, then supplying gas in the vicinity of the second burner while momentarily maintaining the flow of gas to the first burner, next discontinuing the flow of gas to the first burner and finally by reestablishing the flow of gas to the first burner while maintaining the flow of gas to the second burner.
    Type: Grant
    Filed: June 19, 1998
    Date of Patent: June 29, 1999
    Assignee: Desa International
    Inventors: John S. Manning, Christopher P. Hollis, James L. Jacobs, Ralph E. Pratt
  • Method and apparatus for controlling gas flow to ceramic plaque burners of differing sizes
    Patent number: 5795145
    Abstract: A radiant gas heater includes a first ceramic plaque burner and an adjacent and larger second plaque burner. A valve spindle is movable to establish in series "Low," "Medium" and "High" heat positions by first supplying gas in the vicinity of the first burner, then supplying gas in the vicinity of the second burner while momentarily maintaining the flow of gas to the first burner, next discontinuing the flow of gas to the first burner and finally by reestablishing the flow of gas to the first burner while maintaining the flow of gas to the second burner.
    Type: Grant
    Filed: May 22, 1997
    Date of Patent: August 18, 1998
    Assignee: DESA International
    Inventors: John S. Manning, Christopher P. Hollis, James L. Jacobs, Ralph E. Pratt