Patents Assigned to Sol-Fire Inc.
  • Heating system
    Patent number: 4334518
    Abstract: A solid-fuel-burning heating unit comprises a heat transfer fluid circulating through a first heat exchanger in a hollow metal jacket of the heating unit, and through a second heat exchanger in the path of the exhaust gases. The heat exchanger unit in the exhaust path is adapted for ease of cleaning and is further adapted to be reversed in position. The system may be used in a new installation or as a retrofit.
    Type: Grant
    Filed: May 28, 1980
    Date of Patent: June 15, 1982
    Assignee: Sol-Fire Inc.
    Inventor: Sterling L. Ort