Patents by Inventor Elizabeth Ann Binky Sargent

Elizabeth Ann Binky Sargent 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).

  • INERT HIGH HARDNESS MATERIAL FOR TOOL LENS PRODUCTION
    Publication number: 20140072469
    Abstract: In one aspect, tungsten carbide material systems are described herein which, in some embodiments, can provide desirable characteristics including chemical inertness, high hardness, reduced sensitivity to local compositional fluctuations and/or enhanced machining properties. In some embodiments, a tungsten carbide material described herein comprises 5.85-6.13 wt. % carbon, 0.85-1.05 wt. % chromium, less than 0.3 wt. % binder, less than 0.3 wt. % impurities and a balance being tungsten.
    Type: Application
    Filed: September 10, 2012
    Publication date: March 13, 2014
    Applicant: Kennametal Inc.
    Inventors: Elizabeth Ann Binky Sargent, Sudhir Brahmandam, Christopher D. Dunn, Irene Spitsberg, Michael James Verti, William Roy Huston