Patents by Inventor Jeffrey G. Haigh

Jeffrey G. Haigh 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).

  • Pumpable backfill material of high strength
    Patent number: 4746249
    Abstract: An aqueous slurry of backfill material e.g. slimes, includes a settable material and an activator therefor, e.g. pulverized fuel ash and lime, and a lubricant e.g. clay and a plasticizer, e.g. a lignosulphonate so that the slurry can be pumped over long distances but will then set to develop high early strength.
    Type: Grant
    Filed: July 2, 1986
    Date of Patent: May 24, 1988
    Assignee: Fosroc International Limited
    Inventors: Jeffrey G. Haigh, Andrew J. Marsh
  • Capsules containing self-setting compositions and the compositions
    Patent number: 4391931
    Abstract: Water and a hydrated salt are both present to reduce the flammability of a flammable resin system, e.g. a capsule having two compartments each containing an interactive component and for use in e.g. a mine.
    Type: Grant
    Filed: August 10, 1981
    Date of Patent: July 5, 1983
    Inventors: Jeffrey G. Haigh, Leslie W. Cheriton