Patents by Inventor James M. Cramer

James M. Cramer 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).

  • Vertical drainage system for heap leach piles
    Patent number: 9587289
    Abstract: A vertical drainage system for a heap leaching operation comprising vertical drainage conduits for draining fluid pockets down through the strata of a heap pile. The drainage conduits are spaced in a parallel array throughout the ore heap, and are preferably in fluid communication from a top of said ore heap to said one or more collection pipes for draining trapped and avoiding slope or geotechnical failure.
    Type: Grant
    Filed: June 13, 2014
    Date of Patent: March 7, 2017
    Inventor: James M. Cramer
  • VERTICAL DRAINAGE SYSTEM FOR HEAP LEACH PILES
    Publication number: 20140367899
    Abstract: A vertical drainage system for a heap leaching operation comprising vertical drainage conduits for draining fluid pockets down through the strata of a heap pile. The drainage conduits are spaced in a parallel array throughout the ore heap, and are preferably in fluid communication from a top of said ore heap to said one or more collection pipes for draining trapped and avoiding slope or geotechnical failure.
    Type: Application
    Filed: June 13, 2014
    Publication date: December 18, 2014
    Inventor: James M. Cramer