Patents by Inventor Roy Holen

Roy Holen 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).

  • Energy storage system
    Patent number: 11329324
    Abstract: An energy storage system has one or more energy storage units, each energy storage unit including one or more energy storage modules, and each energy storage module including a plurality of electrochemical energy storage devices connected in series. A DC switching device is provided in series with the or each energy storage unit. The DC switching device includes a semiconductor device and a rectifying unit in parallel with the semiconductor device.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: May 10, 2022
    Assignee: SIEMENS ENERGY AS
    Inventors: Sivert Eliassen, Roy Holen
  • ENERGY STORAGE SYSTEM
    Publication number: 20200112065
    Abstract: An energy storage system has one or more energy storage units, each energy storage unit including one or more energy storage modules, and each energy storage module including a plurality of electrochemical energy storage devices connected in series. A DC switching device is provided in series with the or each energy storage unit. The DC switching device includes a semiconductor device and a rectifying unit in parallel with the semiconductor device.
    Type: Application
    Filed: March 29, 2018
    Publication date: April 9, 2020
    Applicant: Siemens Aktiengesellschaft
    Inventors: Sivert Eliassen, Roy Holen