Patents by Inventor Roger Peter Lewington

Roger Peter Lewington 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).

  • Patent number: 6852360
    Abstract: A knitted screen cloth fabric including a polymer coated, fiber-reinforced, flexible, foil-like web and method for making same are disclosed, the web including a lattice material of filaments and a polyester binding thread.
    Type: Grant
    Filed: February 25, 2004
    Date of Patent: February 8, 2005
    Assignee: Saint-Gobain Technical Fabrics Canada, Ltd.
    Inventors: John Frederick Porter, Roger Peter Lewington
  • Publication number: 20040166750
    Abstract: A knitted screen cloth fabric including a polymer coated, fiber-reinforced, flexible, foil-like web and method for making same are disclosed, the web including a lattice material of filaments and a polyester binding thread.
    Type: Application
    Filed: February 25, 2004
    Publication date: August 26, 2004
    Inventors: John Frederick Porter, Roger Peter Lewington
  • Patent number: 6716774
    Abstract: A knitted screen cloth fabric including a polymer coated, fiber-reinforced, flexible, foil-like web and method for making same are disclosed, the web including a lattice material of filaments and a polyester binding thread.
    Type: Grant
    Filed: December 19, 2001
    Date of Patent: April 6, 2004
    Assignee: Saint-Gobain Technical Fabrics Canada, Ltd.
    Inventors: John Frederick Porter, Roger Peter Lewington
  • Publication number: 20020137410
    Abstract: A knitted screen cloth fabric including a polymer coated, fiber-reinforced, flexible, foil- like web and method for making same are disclosed, the web including a lattice material of filaments and a polyester binding thread.
    Type: Application
    Filed: December 19, 2001
    Publication date: September 26, 2002
    Inventors: John Frederick Porter, Roger Peter Lewington