Patents by Inventor Everard James Walton

Everard James Walton 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).

  • Screen separators
    Patent number: 8245850
    Abstract: Apparatus is provided, in or for a screen separator for sieving materials, for clamping one or more sieve screen frames 78 within the confines of a chassis 40 of the separator to prevent egress of material from the separator. The apparatus comprises a sheath 50 extending around and embracing the chassis 40 and one or more expandable elements 66 for urging the sheath 50 against the chassis 40 and the screen frame(s) 78 to impart uniform clamping pressure to the clamped elements. The sheath 50 is designed to provide ease of mounting and release.
    Type: Grant
    Filed: February 24, 2009
    Date of Patent: August 21, 2012
    Assignee: Russell Finex Limited
    Inventors: Nigel John Mainwaring, Everard James Walton
  • Screen separators
    Patent number: 7721896
    Abstract: Apparatus is provided, in or for a screen separator for sieving materials, for clamping one or more sieve screen frames within the confines of a chassis of the separator to prevent egress of material from the separator. The apparatus comprises a sheath extending around and embracing the chassis and one or more expandable elements for urging the sheath against the chassis and the screen frame(s) to impart uniform clamping pressure to the clamped elements. The sheath is designed to provide ease of mounting and release.
    Type: Grant
    Filed: November 12, 2004
    Date of Patent: May 25, 2010
    Assignee: Russell Finex Limited
    Inventors: Nigel John Mainwaring, Everard James Walton
  • SCREEN SEPARATORS
    Publication number: 20090159507
    Abstract: Apparatus is provided, in or for a screen separator for sieving materials, for clamping one or more sieve screen frames 78 within the confines of a chassis 40 of the separator to prevent egress of material from the separator. The apparatus comprises a sheath 50 extending around and embracing the chassis 40 and one or more expandable elements 66 for urging the sheath 50 against the chassis 40 and the screen frame(s) 78 to impart uniform clamping pressure to the clamped elements. The sheath 50 is designed to provide ease of mounting and release.
    Type: Application
    Filed: February 24, 2009
    Publication date: June 25, 2009
    Inventors: Nigel John Mainwaring, Everard James Walton