Patents Assigned to Natural Resource Systems, Inc.
  • Combustion furnace and infra-red radiant heating system
    Patent number: 3963018
    Abstract: A combustion chamber especially adapted for use in a high heating capacity, positive-pressure, single-pass radiant heating system employing an oil-fired burner as the heat source comprises a generally cylindrical body having conical ends, one of which has a high degree of taper and is adapted to mount the air tube of an oil-fired burner, and the other of which has a lower degree of taper and is adapted to mount a heating conduit through which combustion products are passed.
    Type: Grant
    Filed: June 12, 1975
    Date of Patent: June 15, 1976
    Assignee: Natural Resource Systems, Inc.
    Inventor: Russell H. Schultz