Patents by Inventor Carl R. Stoltz

Carl R. Stoltz 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).

  • Control damper for radiant oven
    Patent number: 4972606
    Abstract: A radiant wall drying oven that includes a first wall and a second wall situated in spaced apart relation to define an air conducting passageway. Heated air is supplied to contact the first wall, and a selected amount of heated air is allowed to pass through inlets into the air conducting passageway. Sliding dampers positioned at a predetermined site relative to the second wall control the amount of heated air contacting a portion of the second wall, and consequently regulate the amount of radiant heat emitted by that portion of the second wall.
    Type: Grant
    Filed: September 25, 1989
    Date of Patent: November 27, 1990
    Assignee: George Koch Sons, Inc.
    Inventor: Carl R. Stoltz