Patents by Inventor Kevin Donald Cottam

Kevin Donald Cottam 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: 6953524
    Abstract: A screen assembly in which the screen (10) is in the form of an inverted semi-circular trough the foul flow (A) to be screened approaching the underside of the screen so that debris which is filtered falls away from the screen by gravity so minimising blockages and “blinding” of the screen. A helical sweeper (20) is provided to minimise adherence to the screen.
    Type: Grant
    Filed: May 14, 2001
    Date of Patent: October 11, 2005
    Assignee: Hydro International PLC
    Inventors: Barrie Christopher Woodbridge, Kevin Donald Cottam
  • Publication number: 20040028474
    Abstract: A screen assembly in which the screen (10) is in the form of an inverted semi-circular trough the foul flow (A) to be screened approaching the underside of the screen so that debris which is filtered falls away from the screen by gravity so minimising blockages and “blinding” of the screen. A helical sweeper (20) is provided to minimise adherence to the screen.
    Type: Application
    Filed: February 26, 2003
    Publication date: February 12, 2004
    Inventors: Barrie Christopher Woodbridge, Kevin Donald Cottam