Patents by Inventor William Francis Swanston

William Francis Swanston 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).

  • Weir grate
    Patent number: 10392791
    Abstract: A weir grate (100?) comprises a base tray (112) having a plate (120). The plate (120) comprises an upstanding wall (121) arranged to form a periphery of the plate. The plate further comprises a lip (180, 180?) that projects laterally from and around an in-use upper end of the peripheral wall (121). An infill tray (116) may be positioned in the base tray (112).
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: August 27, 2019
    Inventor: William Francis Swanston
  • Weir Grate
    Publication number: 20170362809
    Abstract: A weir grate (100?) comprises a base tray (112) having a plate (120). The plate (120) comprises an upstanding wall (121) arranged to form a periphery of the plate. The plate further comprises a lip (180, 180?) that projects laterally from and around an in-use upper end of the peripheral wall (121). An infill tray (116) may be positioned in the base tray (112).
    Type: Application
    Filed: July 26, 2017
    Publication date: December 21, 2017
    Inventor: William Francis Swanston
  • Weir grate
    Patent number: 9745734
    Abstract: A weir grate (10, 100) comprises a base tray (12, 112) having an outlet (14, 114), and an infill tray (16, 116) positionable in the base tray. The base tray comprises a plurality of discretely positioned posts (22, 122) projecting upwardly therefrom in use. The infill tray comprises a plurality of correspondingly positioned locators (40, 140) projecting downwardly therefrom in use. Each locator is arranged for engaged with a respective post when the infill tray is positioned in the base tray.
    Type: Grant
    Filed: December 10, 2014
    Date of Patent: August 29, 2017
    Inventor: William Francis Swanston
  • Weir Grate
    Publication number: 20170051492
    Abstract: A weir grate (10, 100) comprises a base tray (12, 112) having an outlet (14, 114), and an infill tray (16, 116) positionable in the base tray. The base tray comprises a plurality of discretely positioned posts (22, 122) projecting upwardly therefrom in use. The infill tray comprises a plurality of correspondingly positioned locators (40, 140) projecting downwardly therefrom in use. Each locator is arranged for engaged with a respective post when the infill tray is positioned in the base tray.
    Type: Application
    Filed: December 10, 2014
    Publication date: February 23, 2017
    Inventor: William Francis Swanston
  • WEIR GRATE
    Publication number: 20120018362
    Abstract: A weir grate (10, 100) comprises a base tray (12, 112) having an outlet (14, 114), and an infill tray (16, 116) positionable in the base tray. The base tray comprises a plurality of discretely positioned posts (22, 122) projecting upwardly therefrom in use. The infill tray comprises a plurality of correspondingly positioned locators (40, 140) projecting downwardly therefrom in use. Each locator is arranged for engaging with a respective post when the infill tray is positioned in the base tray.
    Type: Application
    Filed: January 22, 2010
    Publication date: January 26, 2012
    Inventor: William Francis Swanston