Patents by Inventor Geoffrey John Lyman

Geoffrey John Lyman 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).

  • Cross-belt sampler for materials conveyed on a belt conveyor
    Patent number: 8151655
    Abstract: A cross-belt sampler (100) for material (70) on a belt-conveyor (60) has a cutter head (50), where the cutting edges (9) of the side plates (3,4) lie on lines co-incident with the axis of rotation (1) of the cutter head (50). The rear plate (5) lies on a plane parallel to the axis of rotation (1) and a truncated plate (6) eliminates a sharp corner in which the material (70) may be compacted. The axis of rotation (1) of the cutter head (50) is offset a distance (28) relative to the longitudinal axis of the belt conveyor (60).
    Type: Grant
    Filed: June 18, 2007
    Date of Patent: April 10, 2012
    Inventor: Geoffrey John Lyman
  • Cross-Belt Sampler for Materials Conveyed on a Belt Conveyor
    Publication number: 20090205446
    Abstract: A cross-belt sampler (100) for material (70) on a belt-conveyor (60) has a cutter head (50), where the cutting edges (9) of the side plates (3, 4) lie on lines co-incident with the axis of rotation (1) of the cutter head (50). The rear plate (5) lies on a plane parallel to the axis of rotation (1) and a truncated plate (6) eliminates a sharp corner in which the material (70) may be compacted. The axis of rotation (1) of the cutter head (50) is offset a distance (28) relative to the longitudinal axis of the belt conveyor (60).
    Type: Application
    Filed: June 18, 2007
    Publication date: August 20, 2009
    Inventor: Geoffrey John Lyman
  • 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