Patents by Inventor Willem Cornelis Vergeer

Willem Cornelis Vergeer 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).

  • Continuous haulage system
    Patent number: 5758760
    Abstract: A self-propelled articulated continuous haulage system including an elongated articulated body made up of a plurality of support frames aligned in endy-to-end abutting relationship. A conveyor system is carried by and supported centrally on the support frames. The haulage system includes a pair of endless traction chains carried on opposite sides of the support frames and spanning the length of the body the chains engaging the ground in an operative condition of the system, and a drive for driving the chains to provide tractive and steering effort for the system.
    Type: Grant
    Filed: May 18, 1995
    Date of Patent: June 2, 1998
    Assignee: Sasol Mining (Proprietary) Limited
    Inventors: Willem Cornelis Vergeer, Peter Koch