Patents by Inventor Raymond W. Bittinger

Raymond W. Bittinger 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).

  • Draft device for fireplace
    Patent number: 4137895
    Abstract: A fireplace draft device introduces outside air along the front edge of the fireplace firebox and the induced air is so distributed that the major portion of air flow is adjacent the ends of the front edge thereby encouraging more uniform burning of the fireplace fuel. The draft introducing device is also provided with means which cooperates with the conventional fireplace damper to control the volume of induced air.
    Type: Grant
    Filed: August 23, 1977
    Date of Patent: February 6, 1979
    Inventor: Raymond W. Bittinger