Patents by Inventor Carina Önneby

Carina Önneby 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).

  • Bushing
    Patent number: 7964799
    Abstract: A bushing for an electrical device including an insulating core, where at least a part of the insulating core includes a continuous diffusion barrier with firm adhesion to the insulating core. The bushing is manufactured by coating at least a part of the insulating core with the continuous diffusion barrier.
    Type: Grant
    Filed: June 17, 2004
    Date of Patent: June 21, 2011
    Assignee: ABB Research Ltd.
    Inventors: Peter Isberg, Carina Önneby, Erik Johansson, Thomas Liljenberg, Douglas Getson
  • Field grading material
    Patent number: 7868079
    Abstract: A field grading material including a polymeric matrix provided with a filler. The filler includes a field grading effective amount of particles having at least one dimension smaller than or equal to 100 nm. A device including the field grading material for grading an electric field in high-voltage applications and a method for grading an electric field at a joint or termination of an electric power cable using the field grading material.
    Type: Grant
    Filed: October 20, 2003
    Date of Patent: January 11, 2011
    Assignee: ABB Research Ltd.
    Inventors: Carina Önneby, Anders Gustafsson, Eva Mårtensson, Lars Palmovist, Richard W. Siegel, Jung-Il Hong, Linda Schadler Feist