Patents by Inventor Peter Hidman

Peter Hidman 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: 7525409
    Abstract: A varistor including a varistor body with two parallel end faces made of a material that contains one or more metal oxides, and at least one electrode made of an electrically conductive electrode material arranged on any of the end faces of the varistor body. The electrode includes a layer of electrode material coated on the end face by means of an ion- or atom-transferring method, whereby the layer has a thickness within the interval of from 5 micrometers to 30 micro-meters.
    Type: Grant
    Filed: November 28, 2005
    Date of Patent: April 28, 2009
    Assignee: ABB Research Ltd.
    Inventors: Åke Öberg, Peter Hidman, Ragnar Österlund, Leif Pettersson
  • Publication number: 20080129442
    Abstract: A varistor including a varistor body with two parallel end faces made of a material that contains one or more metal oxides, and at least one electrode made of an electrically conductive electrode material arranged on any of the end faces of the varistor body. The electrode includes a layer of electrode material coated on the end face by means of an ion- or atom-transferring method, whereby the layer has a thickness within the interval of from 5 micrometers to 30 micrometers.
    Type: Application
    Filed: November 28, 2005
    Publication date: June 5, 2008
    Applicant: ABB RESEARCH LTD.
    Inventors: Ake Oberg, Peter Hidman, Ragnar Osterlund, Leif Pettersson