Patents by Inventor Klause-Dieter Wernicke

Klause-Dieter Wernicke 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).

  • Drill bits comprising dual-phase tungsten carbide material
    Patent number: 7810587
    Abstract: The invention relates to a drill bit containing tungsten carbide powder having powder particles which have a core of cast tungsten carbide and a shell of tungsten monocarbide.
    Type: Grant
    Filed: April 9, 2009
    Date of Patent: October 12, 2010
    Assignee: H.C. Starck GmbH
    Inventors: Christian Gerk, Klause-Dieter Wernicke
  • DUAL-PHASE HARD MATERIAL, METHOD FOR THE PRODUCTION THEREOF AND ITS USE
    Publication number: 20090263646
    Abstract: The invention relates to a drill bit containing tungsten carbide powder having powder particles which have a core of cast tungsten carbide and a shell of tungsten monocarbide.
    Type: Application
    Filed: April 9, 2009
    Publication date: October 22, 2009
    Applicant: H. C. Starck GmbH
    Inventors: Christian Gerk, Klause-Dieter Wernicke