Patents by Inventor Elliott Ashley Fielding Spain

Elliott Ashley Fielding Spain 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).

  • Treatment of metal components
    Patent number: 8728252
    Abstract: A process for treating a non-ferrous metal component, comprising placing the component into a process chamber at an elevated temperature, biasing the component to have a potential capable of attracting ions, introducing oxygen into the chamber at a pressure such that a glow discharge comprising oxygen ions is generated, the process chamber additionally comprising a glow discharge ionization enhancing means, and activating the glow discharge ionization enhancing means thereby increasing charged species density of the glow discharge, the oxygen ions flowing towards the component and colliding the surface thereof at least some of which diffuse into the component.
    Type: Grant
    Filed: March 24, 2008
    Date of Patent: May 20, 2014
    Assignees: Tecvac Limited, The University of Sheffield
    Inventors: Junia Cristina Avelar Batista Wilson, Elliott Ashley Fielding Spain, Jonathan Housden, Allan Matthews, Adrian Leyland
  • Coated articles
    Patent number: 8029917
    Abstract: A metallic biomedical article, preferably an orthopaedic implant, instrument or tool, for use in contact with internal human body tissue, having a first silver containing metal nitride coating thereon, and process for making the same, is provided.
    Type: Grant
    Filed: February 12, 2008
    Date of Patent: October 4, 2011
    Assignee: Tecvac Ltd.
    Inventors: Elliott Ashley Fielding Spain, Junia Cristina Avelar Batista Wilson, Jonathan Housden
  • Coated articles
    Publication number: 20090198343
    Abstract: A metallic biomedical article, preferably an orthopaedic implant, instrument or tool, for use in contact with internal human body tissue, having a first silver containing metal nitride coating thereon, and process for making the same, is provided.
    Type: Application
    Filed: February 12, 2008
    Publication date: August 6, 2009
    Inventors: Elliott Ashley Fielding Spain, Junia Cristina Avelar Wilson, Jonathan Housden