Patents Assigned to Fleetgaurd, Inc.
  • Catalyst and filter combination
    Patent number: 7211226
    Abstract: An exhaust aftertreatment combined filter and catalytic converter has a plurality of flow channels each having both: a) a flow-through channel catalytically reacting with the exhaust; and b) a wall-flow channel trapping particulate such as soot. A filter is also provided.
    Type: Grant
    Filed: February 12, 2002
    Date of Patent: May 1, 2007
    Assignee: Fleetgaurd, Inc.
    Inventors: Z. Gerald Liu, Robert K. Miller, Barry M. Verdegan, William C. Haberkamp