Patents by Inventor Martin John Pryor

Martin John Pryor 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).

  • Upright tubular filter unit and method of separation using the filter unit
    Patent number: 5925258
    Abstract: A method of separating particulate material suspended in a liquid from that liquid is described. The method includes the steps of: providing at least one upright tubular filter unit having a top end and a lower end; introducing a flow of the suspension into the tubular filter unit at one end thereof; and allowing the suspension to pass through the tubular filter unit trapping particulate material on an inside surface thereof. Apparatus in which the method of the invention is performed is also described.
    Type: Grant
    Filed: July 5, 1996
    Date of Patent: July 20, 1999
    Assignee: Water Research Commission
    Inventors: Martin John Pryor, Kevin Treffry-Goatley