Patents by Inventor Vegard B Larsen

Vegard B Larsen 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).

  • Patent number: 7329829
    Abstract: An optical cable unit has a metal tube with a longitudinal laser-welded seam and at least one optical waveguide in the interior of the metal tube. The metal tube has a first inner layer and a second outer layer, where the first inner layer is made from copper and the second outer layer is made from austenitic steel. The longitudinal seam of both layers is laser welded and the seams of the layers are in superimposed alignment, where the laser welding is performed by a CO2 laser.
    Type: Grant
    Filed: April 2, 2005
    Date of Patent: February 12, 2008
    Assignee: NEXANS
    Inventors: Tom Harald Birkeland, Inge Vintermyr, Tom Eirik Toften, Per Arne Osborg, Vegard B Larsen