Patents by Inventor Hanna Kallerhult

Hanna Kallerhult 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).

  • Coated cutting insert
    Patent number: 9523145
    Abstract: A cutting tool insert having a cemented carbide substrate and a coating including a layer of NbN, wherein the cemented carbide substrate includes 11-12.5 wt % cobalt, 0.2-1.2 wt % chromium, and 86.3-88.4 wt % wolfram carbide.
    Type: Grant
    Filed: June 20, 2013
    Date of Patent: December 20, 2016
    Assignee: SECO TOOLS AB
    Inventors: Tommy Larsson, Peter Lofroth, Hanna Kallerhult, Hindrik Engstrom, Jan Qvick
  • COATED CUTTING INSERT
    Publication number: 20150218689
    Abstract: A cutting tool insert having a cemented carbide substrate and a coating including a layer of NbN, wherein the cemented carbide substrate includes 11-12.5 wt % cobalt, 0.2-1.2 wt % chromium, and 86.3-88.4 wt % wolfram carbide.
    Type: Application
    Filed: June 20, 2013
    Publication date: August 6, 2015
    Inventors: Tommy Larsson, Peter Lofroth, Hanna Kallerhult, Hindrik Engstrom, Jan Qvick