Patents by Inventor Craig Buuren

Craig Buuren 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).

  • Optimization of Bioleaching Process
    Publication number: 20070169587
    Abstract: A method for optimizing a bioleaching process, at least in respect of heat generation and primary copper sulphide leaching, by actively monitoring and controlling inorganic and organic compounds in a raffinate solution, produced in the process, to levels below that which could be inhibitory to microbial activity of bioleaching strains used in the process.
    Type: Application
    Filed: January 15, 2007
    Publication date: July 26, 2007
    Inventors: Sanette De Kock, Paul Barnard, Clint Bowker, Hannes Strauss, Craig Buuren, John Batty, Chris Du Plessis
  • Method of and apparatus for simulating a biological heap leaching process
    Publication number: 20050136527
    Abstract: A microbiological heap leaching simulation process wherein material, representative of ore in a heap, is microbiologically leached in a housing and the temperature of the material at a plurality of locations in the housing is monitored and controlled to reduce heat loss from the housing.
    Type: Application
    Filed: March 9, 2004
    Publication date: June 23, 2005
    Inventor: Craig Buuren