Patents by Inventor Gary John Ehrhardt

Gary John Ehrhardt 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).

  • Method and system for purifying charged radioisotopes
    Patent number: 8932876
    Abstract: The present invention provides a simple and inexpensive method for removing metal and other impurities in a radioisotope solution. The invention further includes the development of a new parent/daughter generator system for collecting the daughter isotope in a concentrated solution.
    Type: Grant
    Filed: May 11, 2009
    Date of Patent: January 13, 2015
    Assignee: The Curators of the University of Missouri
    Inventors: Cathy Sue Cutler, Gary John Ehrhardt, Hendrik Petrus Engelbrecht, Delbert E. Day
  • Method and system for purifying charged radioisotopes
    Publication number: 20140369903
    Abstract: The present invention provides a simple and inexpensive method for removing metal and other impurities in a radioisotope solution. The invention further includes the development of a new parent/daughter generator system for collecting the daughter isotope in a concentrated solution.
    Type: Application
    Filed: May 11, 2009
    Publication date: December 18, 2014
    Applicant: the Curators of the University of Missouri
    Inventors: Cathy Sue Cutler, Gary John Ehrhardt, Hendrik Petrus Engelbrecht, Delbert E. Day