Patents Assigned to Humidtech Research, Inc.
  • Regenerative hygroscopic filter and method
    Patent number: 5575832
    Abstract: A regenerative hygroscopic filter having a housing containing an inlet port and an outlet port, and, a hydrophilic filter element positioned within the housing and disposed between the inlet and outlet ports, and operatively arranged to filter solid particulate matter and water when gas passes into the inlet port and through the filter element, and to release water via the inlet port when gas passes from the outlet port through the filter element.
    Type: Grant
    Filed: September 21, 1994
    Date of Patent: November 19, 1996
    Assignee: Humidtech Research, Inc.
    Inventor: Steven T. Boyd