Patents by Inventor Clell C. Mayes

Clell C. Mayes 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).

  • Patent number: 4287875
    Abstract: A damper system is provided for a fireplace which communicates with a room through a front opening and which includes an upper opening and a sleeve extending from the front opening to the upper opening to direct fluid flow to the upper opening. The damper system includes plate means pivotally mounted within the sleeve. Elongated flexible means is connected to the plate means and extends to a location within the room and spaced from the front opening. The plate means is selectively pivotable by an operator without penetrating the front opening.
    Type: Grant
    Filed: November 23, 1979
    Date of Patent: September 8, 1981
    Inventor: Clell C. Mayes
  • Patent number: 4106475
    Abstract: A draft air control system for fireplaces comprising a duct having an outside end in fluid communication with outside air and inside end terminating at a location below the fireplace grate, damper means adjustably controlling the cross-sectional area of the duct, hood means covering the inside terminal end. The hood means comprises a throat section passageway in fluid communication with the duct, a second passageway directing airflow in a generally lateral direction and including a downwardly opening outlet to permit essentially unrestricted airflow from the duct into the fireplace beneath the grate and essentially preventing passage of particulate matter into the duct.
    Type: Grant
    Filed: May 2, 1977
    Date of Patent: August 15, 1978
    Inventor: Clell C. Mayes