Patents by Inventor Andrew Jonkers

Andrew Jonkers 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).

  • Dynamic monitoring and control of jigs
    Patent number: 6070738
    Abstract: The monitoring and control of jig separators is effected by monitoring the time variation within a jig cycle of at least one operating parameter of the jig, and manipulating the operating parameter(s) to produce the sought after form of the time variation within the jig cycle. Operating parameters include bed voidage, water level, particle velocity in the bed and water or air pressure.
    Type: Grant
    Filed: March 6, 1998
    Date of Patent: June 6, 2000
    Assignee: The University of Queensland
    Inventors: Geoffrey John Lyman, Andrew Jonkers