Patents by Inventor Gwilym James Rees

Gwilym James Rees 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).

  • Disc cutting units for use on rock boring machines
    Patent number: 4004645
    Abstract: A rock boring machine of the kind consisting of a rotatable headplate on the front face of which is mounted a plurality of rotatable disc cutters, each disc cutter comprising an annular body, a plurality of cutting segments located on and substantially encircling the annular body around the periphery thereof, and removable clamping means for securing the cutting segments to the annular body. Each cutting segment is provided with a suitable formation adapted to engage with a complemental formation on the annular body to prevent peripheral movement of the segments around the annular body.
    Type: Grant
    Filed: July 22, 1975
    Date of Patent: January 25, 1977
    Inventors: Gwilym James Rees, Henry Bingham