Patents by Inventor Kersten Heinrich Schafer

Kersten Heinrich Schafer 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).

  • Body comprising hard face structure and method for making same
    Patent number: 8753755
    Abstract: A body, such as a pick tool for cutting coal, includes a steel substrate and a hard face structure fused to the steel substrate. The hard face structure includes at least 1 weight percent Si, at least 5 weight percent Cr and at least 40 weight percent W. Substantially the balance of the hard face structure includes carbon and an iron group metal M selected from Fe, Co, Ni and alloy combinations of these elements. The hard face structure includes a plurality of elongate or platelike micro-structures having a mean length of at least 1 micron, a plurality of nano-particles having a mean size of less than 200 nanometers, and a binder material.
    Type: Grant
    Filed: July 6, 2011
    Date of Patent: June 17, 2014
    Assignee: Element Six GmbH
    Inventors: Igor Yuri Konyashin, Bernd Heinrich Ries, Frank Friedrich Lachmann, Kersten Heinrich Schafer