Patents by Inventor Stephen Winder

Stephen Winder 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).

  • Fusion-Cast Refractory with High Electrical Resistivity
    Publication number: 20070249481
    Abstract: A fusion-cast refractory is provided. The refractory comprises 0.8% to 2.5% Al2O3, 4.0% to 10.0% SiO2, 86% to 95% ZrO2, 0.1% to 1.2% B2O3, up to 0.04% Na2O, up to 0.4% CaO, up to 0.1% Fe2O3 and up to 0.25% TiO2.
    Type: Application
    Filed: December 30, 2004
    Publication date: October 25, 2007
    Applicant: REFRACTORY INTELLECTUAL PROPERTY GMBH & CO
    Inventors: Amul Gupta, Stephen Winder