Patents by Inventor Erven H. Van Deventer

Erven H. Van Deventer 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).

  • Hydrogen-isotope permeation barrier
    Patent number: 4031921
    Abstract: A composite including a plurality of metal layers has a Cu-Al-Fe bronze layer and at least one outer layer of a heat and corrosion resistant metal alloy. The bronze layer is ordinarily intermediate two outer layers of metal such as austenitic stainless steel, nickel alloys or alloys of the refractory metals. The composite provides a barrier to hydrogen isotopes, particularly tritium that can reduce permeation by at least about 30 fold and possibly more below permeation through equal thicknesses of the outer layer material.
    Type: Grant
    Filed: September 9, 1975
    Date of Patent: June 28, 1977
    Assignee: The United States of America as represented by the United States Energy Research and Development Administration
    Inventors: Victor A. Maroni, Erven H. Van Deventer