Patents by Inventor David D. Weis

David D. Weis 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).

  • APPARATUS, SYSTEMS, AND METHODS FOR ISOTOPE EXCHANGE AND/OR DIALYSIS
    Publication number: 20190201846
    Abstract: A dialysis and/or isotope exchange device includes a support, a sample chamber having a thickness of between 25 ?m and 500 ?m, and a container including a semipermeable membrane in contact with the sample chamber. Dialysis and/or isotope exchange takes less than 100,000 seconds for a concentration of a substance to reach a target concentration.
    Type: Application
    Filed: December 28, 2018
    Publication date: July 4, 2019
    Inventors: David D. Weis, Mihiri Shyamali Weerasinghe