Patents by Inventor Dag Landvik

Dag Landvik has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Laminated visco-elastic support
    Patent number: 6541094
    Abstract: A laminated support for pressure-relief comprising an upper layer of visco-elastic foam, a middle layer of visco-elastic foam having a greater hardness, and a bottom layer of highly resilient polyurethane foam. These layers are sandwiched between two layers of reticulated filter polyurethane foam.
    Type: Grant
    Filed: November 1, 2000
    Date of Patent: April 1, 2003
    Assignee: Tempur World, Inc.
    Inventors: Dag Landvik, Michael B. Allaway
  • Cushion
    Publication number: 20010021438
    Abstract: A cushion having an underlying polyurethane foam or flexible layer which includes a non-plane surface, and an overlying visco-elastic foam layer positioned adjacent to the non-plane surface of the underlying layer, the cushion being adapted for suitably supporting a load, such as a human body, positioned thereon.
    Type: Application
    Filed: January 10, 2001
    Publication date: September 13, 2001
    Applicant: Tempur World, Inc. Lexington, Kentucky
    Inventor: Dag Landvik
  • Laminated visco-elastic support
    Patent number: 6159574
    Abstract: A laminated support for pressure-relief including an upper layer of visco-elastic foam, a middle layer of visco-elastic foam having a greater hardness, and a bottom layer of highly resilient polyurethane foam. These layers are sandwiched between two layers of reticulated filter polyurethane foam.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: December 12, 2000
    Assignee: Fagerdala World Foams AB
    Inventors: Dag Landvik, Michael B. Allaway
  • Cushion
    Patent number: D456659
    Type: Grant
    Filed: April 4, 2000
    Date of Patent: May 7, 2002
    Assignee: Dan-Foam A/S
    Inventor: Dag Landvik
  • Contoured head pillow
    Patent number: D456660
    Type: Grant
    Filed: August 1, 2001
    Date of Patent: May 7, 2002
    Assignee: Tempur World, Inc.
    Inventor: Dag Landvik
  • Cushion
    Patent number: D466750
    Type: Grant
    Filed: January 2, 2002
    Date of Patent: December 10, 2002
    Assignee: Dan-Foam A/S
    Inventor: Dag Landvik