Patents by Inventor Per Osborg

Per Osborg 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).

  • Optical cable unit
    Publication number: 20050279737
    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 perfromed by a CO2 laser.
    Type: Application
    Filed: April 2, 2005
    Publication date: December 22, 2005
    Inventors: Tom Birkeland, Inge Vintermyr, Tom Toften, Per Osborg, Vegard Larsen