Patents by Inventor Lars Palmovist

Lars Palmovist 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).

  • 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
  • Field grading material
    Publication number: 20060145119
    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: Application
    Filed: October 20, 2003
    Publication date: July 6, 2006
    Applicant: ABB Research Ltd.
    Inventors: Carina Onneby, Anders Gustafsson, Eva Martensson, Lars Palmovist, Richard Siegel, Jung-Ii Hong, Linda Schadler Feist