Patents by Inventor Karl A. Gschneidner

Karl A. Gschneidner 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).

  • Ternary rare earth-lanthanide sulfides
    Patent number: H197
    Abstract: A new ternary rare earth sulfur compound having the formula:La.sub.3-x M.sub.x S.sub.4where M is a rare earth element selected from the group europium, samarium and ytterbium and x=0.15 to 0.8.The compound has good high-temperature thermoelectric properties and exhibits long-term structural stability up to 1000.degree. C.
    Type: Grant
    Filed: March 6, 1986
    Date of Patent: January 6, 1987
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventors: Takuo Takeshita, Karl A. Gschneidner, Jr., Bernard J. Beaudry