Patents by Inventor Peter N. Standish

Peter N. Standish 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).

  • Drillable ground support bolt
    Patent number: 5374140
    Abstract: A method of installing a drillable bolt into earth, rock or a like material. The drillable bolt comprising a threaded hollow tube (1) with a cutting tip (4) at one end. The drillable bolt being driven into the earth, rock and like material with simultaneous provision of a lubricating fluid being supplied to pass up between the inner surface of hollow tube (1) and the resultant core (30) to the cutting tip (4). Once drilled to the desired position, a liquid cement (25) urged between the core (30) and the inner surface of the hollow tube (1) and past the cutting tip (4) and around to the external surface of the hollow tube (1). The liquid cement (25) securing the drillable bolt in the earth rock, or like material.
    Type: Grant
    Filed: February 19, 1993
    Date of Patent: December 20, 1994
    Inventors: Peter N. Standish, Leonard Wright