Patents by Inventor Ellis E. Roberts

Ellis E. Roberts 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).

  • Oriented particles in hard surfaces
    Patent number: 5560745
    Abstract: An article having a hard surface of oriented particles for abrasive or wear-resistant applications is provided and includes a plurality of synthetic single crystals of diamond or cubic boron nitride, or like materials, oriented in a formation so that their corresponding crystallographic directions of maximum hardness, i.e., maximum abrasive resistance, are aligned, whereby the group of crystals, which form a working surface, exhibits a common direction of maximum hardness across the surface, and to a method of making such an article.
    Type: Grant
    Filed: May 19, 1995
    Date of Patent: October 1, 1996
    Inventor: Ellis E. Roberts
  • Oriented particles in hard surfaces
    Patent number: 5453106
    Abstract: The present invention pertains to an article providing a hard surface of oriented particles for abrasive or wear-resistant applications which includes a plurality of synthetic single crystals of diamond or cubic boron nitride, or like materials, oriented in a formation so that their corresponding crystallographic directions of maximum hardness, i.e., maximum abrasive resistance, are aligned, whereby the group of crystals, which form a working surface, exhibits a common direction of maximum hardness across the surface, and to a method of making such an article.
    Type: Grant
    Filed: October 12, 1994
    Date of Patent: September 26, 1995
    Inventor: Ellis E. Roberts