Patents by Inventor Paul Nurthen

Paul Nurthen 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).

  • Specific chromium, molybdenum and carbon iron-based metallurgical powder composition capable of better compressibility and method of production
    Patent number: 7918915
    Abstract: The present invention relates to a wear resistant iron-based powder, suitable for the production of pressed and sintered components, comprising 10-20% by weight of Cr, 0.5-5% by weight of Mo and 1-2% by weight of C. The powder is characterised in that it includes pre-alloyed water atomized iron-based powder particles and chromium carbide particles diffusion bonded onto said pre-alloyed powder particles. The invention also relates to a method of producing this powder.
    Type: Grant
    Filed: September 18, 2007
    Date of Patent: April 5, 2011
    Assignee: Höganäs AB
    Inventors: Ola Bergman, Paul Nurthen
  • Metallurgical powder composition and method of production
    Publication number: 20080075968
    Abstract: The present invention relates to a wear resistant iron-based powder, suitable for the production of pressed and sintered components, comprising 10-20% by weight of Cr, 0.5-5% by weight of Mo and 1-2% by weight of C. The powder is characterised in that it includes pre-alloyed water atomised iron-based powder particles and chromium carbide particles diffusion bonded onto said pre-alloyed powder particles. The invention also relates to a method of producing this powder.
    Type: Application
    Filed: September 18, 2007
    Publication date: March 27, 2008
    Applicant: Hoganas AB
    Inventors: Ola Bergman, Paul Nurthen