Patents by Inventor Daniel R. Riehle

Daniel R. Riehle 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).

  • Silver-coated abrasives, tools containing silver-coated abrasives, and applications of these tools
    Patent number: 6666753
    Abstract: Flute grinding cemented carbide workpieces with a diamond containing resin bond grinding wheel is improved by restricting the diamond to comprise a silver-coated diamond; conducting the grinding in the presence of a lubricant consisting of only straight oil; and conducting the grinding at a wheel speed of less than about 30 m/s and preferably about 20 m/s. The preferred diamond is coated with about 25% and 75% silver by weight.
    Type: Grant
    Filed: February 2, 2001
    Date of Patent: December 23, 2003
    Assignee: General Electric Company
    Inventors: James M. McHale, Jr., James H. Dailey, Markus Jacobuss, Daniel R. Riehle, Juergen Von Dungen
  • Silver-coated abrasives, tools containing silver-coated abrasives, and applications of these tools
    Publication number: 20020164931
    Abstract: Flute grinding cemented carbide workpieces with a diamond containing resin bond grinding wheel is improved by restricting the diamond to comprise a silver-coated diamond; conducting the grinding in the presence of a lubricant consisting of only straight oil; and conducting the grinding at a wheel speed of less than about 30 m/s and preferably about 20 m/s. The preferred diamond is coated with about 25% and 75% silver by weight.
    Type: Application
    Filed: February 2, 2001
    Publication date: November 7, 2002
    Inventors: James M. McHale, James H. Dailey, Markus Jakobuss, Daniel R. Riehle, Juergen Von Dungen
  • Process for making coated abrasives for grinding wheels
    Patent number: 5306318
    Abstract: Processes for making coated cubic boron nitride abrasive particles for use in grinding wheels are provided having thick multilayer metal coatings which improve retention of the particles within abrasive tools. The metal coatings comprise a primary metal layer chemically bonded to the surface of the abrasive particles and a secondary layer which forms the bulk of the coating. Coated CBN abrasive particles, abrasive tools made therefrom and processes for their production are also provided.
    Type: Grant
    Filed: March 17, 1993
    Date of Patent: April 26, 1994
    Assignee: General Electric Company
    Inventors: Alan C. Carius, Edward J. Connors, Daniel R. Riehle