Patents by Inventor Jez Leeming

Jez Leeming 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: 8511756
    Abstract: A surface mining system removes material from a surface mining block that has a substantially vertical and laterally extending mining face. The surface mining system generally includes a miner moveable in a lateral direction along the mining face, a face conveyor extending along the mining face, and conveyor translation devices associated with the face conveyor and operable to move the face conveyor toward the mining face as material is removed. The miner includes a rotating cutting member mounted to an end of a vertically ranging cutting arm and operable to remove material from the mining block. The face conveyor includes a discharge portion and is operable to convey material removed from the mining block toward the discharge portion. Each conveyor translation device includes a secured configuration substantially fixed with respect to the mining face and an unsecured configuration moveable with respect to the mining face.
    Type: Grant
    Filed: April 15, 2011
    Date of Patent: August 20, 2013
    Assignee: Joy MM Delaware, Inc.
    Inventors: Brad Neilson, Ted Doheny, Michael S. Adamczyk, Jez Leeming, Joseph J. Zimmerman
  • Publication number: 20110254345
    Abstract: A surface mining system removes material from a surface mining block that has a substantially vertical and laterally extending mining face. The surface mining system generally includes a miner moveable in a lateral direction along the mining face, a face conveyor extending along the mining face, and conveyor translation devices associated with the face conveyor and operable to move the face conveyor toward the mining face as material is removed. The miner includes a rotating cutting member mounted to an end of a vertically ranging cutting arm and operable to remove material from the mining block. The face conveyor includes a discharge portion and is operable to convey material removed from the mining block toward the discharge portion. Each conveyor translation device includes a secured configuration substantially fixed with respect to the mining face and an unsecured configuration moveable with respect to the mining face.
    Type: Application
    Filed: April 15, 2011
    Publication date: October 20, 2011
    Inventors: Brad Neilson, Ted Doheny, Michael S. Adamczyk, Jez Leeming, Joseph J. Zimmerman