Patents by Inventor Elizabeth E. Ames

Elizabeth E. Ames 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).

  • Patent number: 4167370
    Abstract: A method of and apparatus for self-sustaining high vacuum in a high voltage environment. The method and apparatus employ ion pumping; the apparatus can be an integral part of high voltage equipment and acts to maintain a high vacuum condition in such equipment.
    Type: Grant
    Filed: November 1, 1976
    Date of Patent: September 11, 1979
    Assignee: Massachusetts Institute of Technology
    Inventors: Peter Graneau, Michael B. Silevitch, Elizabeth E. Ames