Patents by Inventor Robert James Custers

Robert James Custers 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).

  • ROCK BOLT WITH AN INTEGRALLY FORMED WEDGE FORMATION AND A METHOD OF MANUFACTURING SAME
    Publication number: 20170211386
    Abstract: The invention provides an end anchored rock bolt 20 which includes an elongate cylindrical body 12 which longitudinally extends between a proximal end and a distal end and a plug 18 at the distal end, which plug is diametrically larger than the cylindrical body 12, is at least partially tapered, tapering towards the proximal end, and is integrally formed on the body 12.
    Type: Application
    Filed: August 25, 2015
    Publication date: July 27, 2017
    Applicant: NCM INNOVATIONS (PTY) LTD
    Inventors: Robert James Custers, Martin Cawood, James William Sheppard