Patents by Inventor Johnny Lai Sang

Johnny Lai Sang 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).

  • Tool component
    Patent number: 6579045
    Abstract: A tool component comprising an abrasive element presenting a cutting edge or point and a thermally conductive element having a thermal conductivity greater than the thermal conductivity of the abrasive element, wherein the thermally conductive element is in thermal contact with the abrasive element so as to conduct heat generated at the cutting edge or point away from such cutting edge or point. The thermally conductive element may be bonded to a substrate. The abrasive element may be PCBN and the thermally conductive element may be either CVD diamond or PCD or else the abrasive element may be PCD and the thermally conductive element may be CVD diamond.
    Type: Grant
    Filed: May 2, 2001
    Date of Patent: June 17, 2003
    Inventors: Robert Fries, Johnny Lai Sang, Obakeng Bibian Mogale, Iacovos Sigalas