Patents by Inventor Paul T. Shannon, Sr.

Paul T. Shannon, Sr. 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).

  • System and method for computerized evaluation of gemstones
    Patent number: 5966673
    Abstract: A system and method for computerized grading of the cut of a gemstone. The system includes a gemstone model and an illumination model. The gemstone model defines the cut of the gemstone in three dimensions with reference to the facets of the gemstone. The illumination model defines light projected onto the gemstone. The method includes the steps of determining a beam of light refracted into the gemstone from the illumination model for at least one of the facets, tracing reflections of the beam of light within the gemstone, and measuring at least one light beam refracted out of the gemstone model. The measurements of the refracted light are used to evaluate the gemstone.
    Type: Grant
    Filed: January 10, 1997
    Date of Patent: October 12, 1999
    Assignee: Diamond Technologies, Inc.
    Inventor: Paul T. Shannon, Sr.
  • Diamond cut
    Patent number: D593445
    Type: Grant
    Filed: June 10, 2008
    Date of Patent: June 2, 2009
    Assignee: Diamond Technologies, Inc.
    Inventor: Paul T. Shannon, Sr.
  • System and method for computerized evaluation of gemstones
    Patent number: RE44963
    Abstract: A system and method for computerized grading of the cut of a gemstone. The system includes a gemstone model and an illumination model. The gemstone model defines the cut of the gemstone in three dimensions with reference to the facets of the gemstone. The illumination model defines light projected onto the gemstone. The method includes the steps of determining a beam of light refracted into the gemstone from the illumination model for at least one of the facets, tracing reflections of the beam of light within the gemstone, and measuring at least one light beam refracted out of the gemstone model. The measurements of the refracted light are used to evaluate the gemstone.
    Type: Grant
    Filed: December 6, 2010
    Date of Patent: June 24, 2014
    Assignee: Diamond Technologies, Inc.
    Inventor: Paul T. Shannon, Sr.