Patents by Inventor Bruce Akre

Bruce Akre 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).

  • Refractory baffle insert for fireplace
    Patent number: 5357941
    Abstract: There is disclosed a refractory baffle for use in a fireplace which dispenses, via apertures provided therein, preheated combustion air over the central combustion zone of the fireplace. The refractory material substantially avoids warpage, flame quenching and other limitations associated with metal baffles.
    Type: Grant
    Filed: May 17, 1993
    Date of Patent: October 25, 1994
    Inventors: J. G. Hans Duerichen, Bruce Akre