Patents by Inventor Rory John Michael Harris

Rory John Michael Harris 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: 8627769
    Abstract: The invention provides a method of preparing a blast hole which method comprises the steps of: drilling a blast hole; placing explosives in the blast hole; filling the blast hole with a stemming material comprising a cement composition and water wherein the weight ratio of water to solids content of the stemming material is at least about 1:1.
    Type: Grant
    Filed: July 26, 2010
    Date of Patent: January 14, 2014
    Assignee: Minova International Limited
    Inventors: Peter Shelley Mills, Rory John Michael Harris
  • Patent number: 8413584
    Abstract: The invention provides a method of preparing a blast hole which method comprises the sequential steps of: drilling a blast hole; placing explosives in the blast hole; filling the blast hole with a stemming material comprising a cement composition and water wherein the weight ratio of water to solids content of the stemming material is at least about 1:1.
    Type: Grant
    Filed: April 23, 2010
    Date of Patent: April 9, 2013
    Assignee: Minova International Limited
    Inventors: Peter Shelley Mills, Rory John Michael Harris
  • Publication number: 20110259228
    Abstract: The invention provides a method of preparing a blast hole which method comprises the steps of: drilling a blast hole; placing explosives in the blast hole; filling the blast hole with a stemming material comprising a cement composition and water wherein the weight ratio of water to solids content of the stemming material is at least about 1:1.
    Type: Application
    Filed: July 26, 2010
    Publication date: October 27, 2011
    Applicant: MINOVA INTERNATIONAL LIMITED
    Inventors: Peter Shelley MILLS, Rory John Michael HARRIS
  • Publication number: 20110259227
    Abstract: The invention provides a method of preparing a blast hole which method comprises the sequential steps of: drilling a blast hole; placing explosives in the blast hole; filling the blast hole with a stemming material comprising a cement composition and water wherein the weight ratio of water to solids content of the stemming material is at least about 1:1.
    Type: Application
    Filed: April 23, 2010
    Publication date: October 27, 2011
    Applicant: MINOVA INTERNATIONAL LIMITED
    Inventors: Peter Shelley Mills, Rory John Michael Harris