Patents by Inventor Karl Bernt-Ola Sandström

Karl Bernt-Ola Sandström 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).

  • Super-hard constructions, methods for making same and method for processing same
    Patent number: 10626056
    Abstract: A construction comprising a sintered polycrystalline super-hard layer having mutually opposite reinforced boundaries, each of which is bonded to a respective reinforcement structure, in which the super-hard layer includes polycrystalline diamond (PCD) material or polycrystalline cubic boron nitride (PCBN) material. The construction will be configured such that the equivalent circle diameter of each reinforced boundary is at least ten times the mean thickness of the super-hard layer between them. The reinforcement structures will be substantially free of material having a melting point of less than 2,000 degrees Celsius, at least adjacent the reinforced boundaries.
    Type: Grant
    Filed: June 25, 2014
    Date of Patent: April 21, 2020
    Assignee: Element Six Limited
    Inventor: Karl Bernt-Ola Sandström