Patents by Inventor Robert Hawker

Robert Hawker 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).

  • RESIN SYSTEM AND ROCK ANCHOR
    Publication number: 20150117962
    Abstract: The invention provides kit comprising a rock anchor (20) having a static mixer (60) and a two part resin system (80,90) wherein a first part (80) of the resin system comprises an isocyanate and a second part (90) of the resin system comprises a silicate; a rock anchor secured in a ground formation (140); and a method of securing a rock anchor.
    Type: Application
    Filed: July 26, 2011
    Publication date: April 30, 2015
    Applicant: MINOVA INTERNATIONAL LIMITED
    Inventors: Andrew Sykes, Robert Hawker
  • Method of stabilising a blasthole
    Patent number: 8839862
    Abstract: A method of stabilizing a blasthole prior to detonation which comprises the step of coating the inner wall of the blasthole with a stabilizing composition. In one embodiment, the invention comprises coating the blast hole with a movable spraying application. The invention further relates to the use of a silicate-containing resin but is also suitable for use with a thermoset resin system. The method can be used to apply the stabilizing composition to both dry and wet blastholes.
    Type: Grant
    Filed: September 24, 2009
    Date of Patent: September 23, 2014
    Assignee: Minova International Limited
    Inventor: Robert Hawker
  • Method of stabilising a blasthole
    Publication number: 20110188946
    Abstract: A method of stabilising a blasthole prior to detonation which comprises the step of coating the inner wall of the blasthole with a stabilising composition. In one embodiment, the invention comprises coating the blast hole by means of a movable spraying application. The invention further relates to the use of a silicate-containing resin but is also suitable for use with a thermoset resin system. The method can be used to apply the stabilising composition to both dry and wet blastholes.
    Type: Application
    Filed: September 24, 2009
    Publication date: August 4, 2011
    Applicant: Minova International Limited
    Inventor: Robert Hawker