Patents Assigned to Aztech International, Ltd.
  • Multi-stage indirect-direct evaporative cooling process and apparatus
    Patent number: 4380910
    Abstract: An evaporative cooling process and apparatus in which air is cooled through at least three or more stages of direct and indirect cooling employing recirculating water in each of the stages.
    Type: Grant
    Filed: August 13, 1981
    Date of Patent: April 26, 1983
    Assignee: Aztech International, Ltd.
    Inventors: Larry M. Hood, Doy M. West