Patents by Inventor Stephen John Posselt

Stephen John Posselt 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: 7077957
    Abstract: A screening device which is particularly useful for separating solids from liquids when sewerage systems overflow. The device includes an inner apertured chamber and an internal brush arrangement for sweeping over the apertures to prevent clogging. A spray enables the apertured chamber to be washed after use.
    Type: Grant
    Filed: March 19, 2003
    Date of Patent: July 18, 2006
    Assignee: Son Screen Pty Ltd
    Inventor: Stephen John Posselt
  • Publication number: 20030178359
    Abstract: A screening device which is particularly useful for separating solids from liquids when sewerage systems overflow. The device includes an inner apertured chamber and an internal brush arrangement for sweeping over the apertures to prevent clogging. A spray enables the apertured chamber to be washed after use.
    Type: Application
    Filed: March 19, 2003
    Publication date: September 25, 2003
    Inventor: Stephen John Posselt