Patents by Inventor Tommy Svartvatn

Tommy Svartvatn 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).

  • Apparatus for sealing a bore, a system comprising the apparatus and a method for using apparatus
    Patent number: 10364639
    Abstract: This invention relates to a sealing apparatus, system and method for use in a well pipe. The apparatus has a mandrel arranged around a center axis through the apparatus, a radially movable gripping device arranged around the mandrel, a radially movable packer element arranged around the mandrel, and an axially movable activation device designed to set up axial forces for activating the apparatus. The apparatus also includes a radially movable centralizer arranged around the mandrel for centring the apparatus. The activation device being operatively connected to the gripping device, the packer element and the centralizer for the respective activation and radial movement of each, via power transmission of axial forces, between retracted, passive positions and expanded, active positions relative to the center axis of the apparatus.
    Type: Grant
    Filed: August 20, 2015
    Date of Patent: July 30, 2019
    Assignee: E Holstad Holding AS
    Inventors: Tommy Svartvatn, Tom Henning Bode, Frode Flugheim Heggestad, Arnulf Bye, Thomas Berge, Evald Holstad, Thomas Bergan Johansen, Oyvind Naess Johannessen
  • An Apparatus For Sealing A Bore, A System Comprising The Apparatus And A Method For Using Apparatus
    Publication number: 20170234102
    Abstract: This invention relates to a sealing apparatus, system and method for use in a well pipe. The apparatus has a mandrel arranged around a centre axis through the apparatus, a radially movable gripping device arranged around the mandrel, a radially movable packer element arranged around the mandrel, and an axially movable activation device designed to set up axial forces for activating the apparatus. The apparatus also includes a radially movable centralizer arranged around the mandrel for centring the apparatus. The activation device being operatively connected to the gripping device, the packer element and the centralizer for the respective activation and radial movement of each, via power transmission of axial forces, between retracted, passive positions and expanded, active positions relative to the centre axis of the apparatus.
    Type: Application
    Filed: August 20, 2015
    Publication date: August 17, 2017
    Inventors: Tommy Svartvatn, Tom Henning Bode, Frode Flugheim Heggestad, Arnulf Bye, Thomas Berge, Evald Holstad, Thomas Bergan Johansen, Oyvind Naess Johannessen