Patents by Inventor Ghanshyan Rai

Ghanshyan Rai 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).

  • Manufacture of cutting tools
    Patent number: 5868885
    Abstract: A method for manufacturing cutting tools having diamond-like cutting edges or surfaces which are formed by bonding high shear compaction diamond or cubic boron nitride (CBN) ropes or strips in helical grooves formed on the cutting tool outer surface. The strips are formed by slitting a sheet of high shear compaction diamond or CBN material. The ropes are formed by rolling the strips between grooved rollers.
    Type: Grant
    Filed: January 10, 1997
    Date of Patent: February 9, 1999
    Assignee: Smith International, Inc.
    Inventors: Ronald B. Crockett, Scott M. Packer, Richard L. Dixon, Nathan R. Anderson, Ronald K. Eyre, Madapusi K. Keshavan, Ghanshyan Rai