Patents by Inventor Pär Erik Håkan Schelin

Pär Erik Håkan Schelin 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).

  • Polycrystalline diamond
    Patent number: 8505654
    Abstract: A PCD composite compact comprising a PCD structure bonded at an interface to a substrate comprising cemented carbide material; the PCD structure comprising a mass of directly inter-bonded diamond grains having a mean size of at most about 4 microns, and the PCD structure comprising at least about 0.05 weight percent refractory metal or carbide of a refractory metal selected from the group comprising W, Ti, V, Cr, Zr, Nb, Mo, Hf and Ta; and at least the cemented carbide material proximate the interface having a content of metallic binder material of at most about 6 weight percent.
    Type: Grant
    Filed: October 11, 2010
    Date of Patent: August 13, 2013
    Assignee: Element Six Limited
    Inventors: Gustav Johnny Israelsson, Karolina Elisabet Hannersjö, Pär Erik Håkan Schelin
  • POLYCRYSTALLINE DIAMOND
    Publication number: 20110083907
    Abstract: A PCD composite compact comprising a PCD structure bonded at an interface to a substrate comprising cemented carbide material; the PCD structure comprising a mass of directly inter-bonded diamond grains having a mean size of at most about 4 microns, and the PCD structure comprising at least about 0.05 weight percent refractory metal or carbide of a refractory metal selected from the group comprising W, Ti, V, Cr, Zr, Nb, Mo, Hf and Ta; and at least the cemented carbide material proximate the interface having a content of metallic binder material of at most about 6 weight percent.
    Type: Application
    Filed: October 11, 2010
    Publication date: April 14, 2011
    Inventors: Gustav Johnny Israelsson, Karolina Elisabet Hannersjö, Pär Erik Håkan Schelin