Patents by Inventor Svante Söderholm

Svante Söderholm 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).

  • Patent number: 6885273
    Abstract: A distributed air gap material for a induction device in power systems for minimizing fringe losses, mechanical losses and noise in the core The distributed air gap material occupies a selected portion of the core and is formed of a finely divided magnetic material in a matrix of a dielectric material particles. The air gap material has a zone of transition in which the permeability values vary within the air gap material.
    Type: Grant
    Filed: February 14, 2002
    Date of Patent: April 26, 2005
    Assignee: ABB AB
    Inventors: Pan Min, Li Ming, Rongsheng Liu, Mikael Dahlgren, Par Holmberg, Gunnar Russberg, Christian Sasse, Svante Söderholm