Patents by Inventor Eugene W. Butlak

Eugene W. Butlak 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).

  • Insert for a radiant heating system
    Patent number: 3980069
    Abstract: An insert is adapted to be arranged within the marginal end portion of a heat-radiating tube. The insert has an outer surface comprising an alternating series of peaks and valleys. The insert serves to insulate the tube marginal portion from the direct heat of a flame directed into and confined within the insert. The outer surface of the insert defines with the tube inner surface, a plurality of passageways. In use, air drawn into the tube through these passageways is preheated, and subsequently directed to oxidize the flame tip.
    Type: Grant
    Filed: September 22, 1975
    Date of Patent: September 14, 1976
    Assignee: Roberts-Gordon Appliance Corporation
    Inventors: Eugene W. Butlak, Robert G. Budden