Patents by Inventor Argyrios Akritidis

Argyrios Akritidis 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 energy storage
    Patent number: 11168659
    Abstract: A subsea energy storage installation comprises a pumped-storage system having pumping and hydropower generation components for, selectively, converting electricity into potential energy by expelling water from within a tank into the surrounding sea and for generating electricity from an incoming flow of water re-entering the tank under hydrostatic pressure. The tank comprises at least one elongate rigid pipeline that may be lowered to the seabed as part of a towable unit or laid on the seabed as a pipe string launched from a surface vessel.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: November 9, 2021
    Assignee: Subsea 7 Norway AS
    Inventors: Ernst Kristen Helgoy Kloster, Stale Moen Tonnessen, Argyrios Akritidis
  • Subsea Energy Storage
    Publication number: 20200347815
    Abstract: A subsea energy storage installation comprises a pumped-storage system having pumping and hydropower generation components for, selectively, converting electricity into potential energy by expelling water from within a tank into the surrounding sea and for generating electricity from an incoming flow of water re-entering the tank under hydrostatic pressure. The tank comprises at least one elongate rigid pipeline that may he lowered to the seabed as part of a to viable unit or laid on the seabed as a pipe string launched from a surface vessel.
    Type: Application
    Filed: August 30, 2018
    Publication date: November 5, 2020
    Inventors: Ernst Kristen Helgoy Kloster, Stale Moen Tonnessen, Argyrios Akritidis