Patents by Inventor William S. Derr

William S. Derr 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).

  • Infra-red heater for treating substrates
    Patent number: 5464346
    Abstract: An infra-red heater for treating substrates comprises a gas fired burner having a burner body with a plenum chamber divided by a baffle into an unbaffled upstream intake compartment and a baffled downstream intake compartment. A gas inlet communicates with the upstream intake compartment for supplying a fuel-gas mixture. A fiber matrix is located at the mouth or discharge end of the downstream intake compartment. The burner body includes peripheral side walls having downstream end portions which surround the matrix. The end portions and the matrix are outwardly tapered in the discharge direction.
    Type: Grant
    Filed: September 30, 1994
    Date of Patent: November 7, 1995
    Assignee: Mersden Manufacturing Co.
    Inventors: William S. Derr, Mark D. Longacre