Patents by Inventor Mats HOFFMANN

Mats HOFFMANN 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).

  • Subsea valve
    Patent number: 9624753
    Abstract: Subsea valve for control of fluid that can be contaminating and at elevated pressure and temperature, such as well or process fluids, the valve comprising an actuator unit and a valve part, the actuator unit can be operated in order to control the valve part, distinctive in that the actuator unit is magnetically coupled to the valve part and the coupling is through a barrier wall isolating the actuator unit from the valve part, and the actuator unit and a driving part of the magnetic coupling are arranged in a sealed actuator housing into which leakage of said contaminating fluid thereby has been eliminated.
    Type: Grant
    Filed: February 5, 2014
    Date of Patent: April 18, 2017
    Assignee: Aker Subsea AS
    Inventors: Kjell Olav Stinessen, Knut Olaf Nyborg, Mats Hoffmann
  • SUBSEA VALVE
    Publication number: 20160003001
    Abstract: Subsea valve for control of fluid that can be contaminating and at elevated pressure and temperature, such as well or process fluids, the valve comprising an actuator unit and a valve part, the actuator unit can be operated in order to control the valve part, distinctive in that the actuator unit is magnetically coupled to the valve part and the coupling is through a barrier wall isolating the actuator unit from the valve part, and the actuator unit and a driving part of the magnetic coupling are arranged in a sealed actuator housing into which leakage of said contaminating fluid thereby has been eliminated.
    Type: Application
    Filed: February 5, 2014
    Publication date: January 7, 2016
    Applicant: Aker Subsea AS
    Inventors: Kjell Olav STINESSEN, Knut Olaf NYBORG, Mats HOFFMANN