Patents by Inventor William Howard Yeo

William Howard Yeo 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).

  • Method and apparatus for transporting a product within a diffuser
    Patent number: 8088226
    Abstract: A method and apparatus for transporting a product within a diffuser during a continuous lixiviation process. The apparatus comprises at least one screen deck for the continuous lixiviation process and at least one longitudinal transport zone, the longitudinal transport zone extending between an inlet and outlet of the diffuser. The transport zone may include a plurality of transport zones. A drive means is arranged to move the longitudinal transport zone at a first speed towards the outlet end of the diffuser and to retract the longitudinal transport zone at a second speed which is substantially faster than the first speed towards the inlet end of the diffuser, so that the transport zone drive the product towards the outlet of the diffuser.
    Type: Grant
    Filed: March 23, 2006
    Date of Patent: January 3, 2012
    Assignee: Bosch Projects (Pty) Ltd
    Inventors: Michael John Gibbon, William Howard Yeo
  • Method and apparatus for transporting a product within a diffuser
    Publication number: 20090145726
    Abstract: A method and apparatus for transporting a product within a diffuser during a continuous lixiviation process. The apparatus comprises at least one screen deck for the continuous lixiviation process and at least one longitudinal transport zone, the longitudinal transport zone extending between an inlet and outlet of the diffuser. The transport zone may include a plurality of transport zones. A drive means is arranged to move the longitudinal transport zone at a first speed towards the outlet end of the diffuser and to retract the longitudinal transport zone at a second speed which is substantially faster than the first speed towards the inlet end of the diffuser, so that the transport zone drive the product towards the outlet of the diffuser.
    Type: Application
    Filed: March 23, 2006
    Publication date: June 11, 2009
    Applicant: Bosch Projects (Pty) Ltd.
    Inventors: Michael John Gibbon, William Howard Yeo