Patents Assigned to LifeTech Systems, Inc.
  • Heat shield
    Patent number: 6319573
    Abstract: A heat shield has a generally planar, sealed container having opposed, planar, water-permeable, heat-resistant front and rear members, and a highly water-absorbent polymer inside the container, the members being operable to allow passage of water into the interior of said container to swell the water-absorbent polymer.
    Type: Grant
    Filed: February 5, 1998
    Date of Patent: November 20, 2001
    Assignee: LifeTech Systems, Inc.
    Inventor: Oddvin Lokken