Patents by Inventor Richard P. Brunand

Richard P. Brunand 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).

  • Thermally stable diamond abrasive compact body
    Patent number: 4789385
    Abstract: The invention provides a composite diamond abrasive compact comprising a thermally stable diamond compact directly bonded to a cemented carbide substrate. The thermally stable diamond compact comprises bonded diamond forming a coherent, skeletal mass and a second phase which preferably consists of silicon and/or silicon carbide. A method of producing the composite diamond abrasive compact under controlled elevated temperature and pressure conditions is also provided.
    Type: Grant
    Filed: May 4, 1987
    Date of Patent: December 6, 1988
    Inventors: Henry B. Dyer, Cornelius Phaal, Richard P. Brunand