Patents Assigned to Bumstead Woolford Co.
  • Patent number: 4053293
    Abstract: A dust collector of the gravity separation type is combined with a heat exchanger to provide a dust collector/air preheater, or a dust collector/economizer, depending upon the heat exchange fluid used, suited for usage in a system or process for discharging and exchanging heat with exhaust gases from a boiler.
    Type: Grant
    Filed: November 28, 1975
    Date of Patent: October 11, 1977
    Assignee: Bumstead Woolford Co.
    Inventor: Donald R. Combs