Patents by Inventor Stefan Backlund

Stefan Backlund 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: 9101960
    Abstract: A method for sorting hard metal including the steps of subjecting one or more bodies of hard metal to a heat treatment at a temperature of 500° C. or higher in an atmosphere including at least one reactive gas component prone to form a reaction product with an element that may or may not be present in the one or more bodies. A sorting operation of the one or more bodies is performed based on a presence or absence of the reaction product in a surface portion of the heat treated one or more bodies.
    Type: Grant
    Filed: June 14, 2012
    Date of Patent: August 11, 2015
    Assignee: SANDVIK INTELLECTUAL PROPERTY AB
    Inventors: Stefan Backlund, Ulf Jutterstrom
  • Publication number: 20140116926
    Abstract: A method for sorting hard metal including the steps of subjecting one or more bodies of hard metal to a heat treatment at a temperature of 500° C. or higher in an atmosphere including at least one reactive gas component prone to form a reaction product with an element that may or may not be present in the one or more bodies. A sorting operation of the one or more bodies is performed based on a presence or absence of the reaction product in a surface portion of the heat treated one or more bodies.
    Type: Application
    Filed: June 14, 2012
    Publication date: May 1, 2014
    Applicant: SANDVIK INTELLECTUAL PROPERTY AB
    Inventors: Stefan Backlund, Ulf Jutterstrom