Patents Assigned to Barnstead/Thermlyne Corporation
  • Ashing furnace and method
    Patent number: 5558029
    Abstract: A furnace comprises an enclosure, a hearth plate within the enclosure for supporting combustible material, a first heater element adjacent the hearth plate for initial combustion of the combustible material, a filter disposed above the hearth plate for filtering uncombusted products of combustion of the combustible material, and a second heater element adjacent the filter for final combustion of the uncombusted products of combustion filtered by the filter. A controller controls the first and second heater elements independently.
    Type: Grant
    Filed: December 14, 1994
    Date of Patent: September 24, 1996
    Assignee: Barnstead/Thermlyne Corporation
    Inventor: Steven C. Peake