Patents by Inventor Bo Pääjärvi

Bo Pääjärvi 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).

  • HVDC system including switching arrangements to switch current flow direction
    Patent number: 8441817
    Abstract: An HVDC network including a first station including a first converter, a second station including a second converter, each converter including non-extinguishable semiconducting elements. A first transmission conductor and a second transmission conductor. The first station includes a first switching arrangement.
    Type: Grant
    Filed: December 21, 2005
    Date of Patent: May 14, 2013
    Assignee: ABB Technology Ltd.
    Inventor: Bo Pääjärvi
  • HVDC SYSTEM
    Publication number: 20100046255
    Abstract: An HVDC network including a first station including a first converter, a second station including a second converter, each converter including non-extinguishable semiconducting elements. A first transmission conductor and a second transmission conductor. The first station includes a first switching arrangement.
    Type: Application
    Filed: December 21, 2005
    Publication date: February 25, 2010
    Applicant: ABB Technology Ltd.
    Inventor: Bo Pääjärvi