Patents by Inventor John Meason

John Meason 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).

  • (Hg or Pb)-Pr-Tl-Sr-Cu-O based superconductors
    Patent number: 5498594
    Abstract: A high temperature superconducting system comprising M--R--Tl--Sr--Cu--O wherein: M is at least one compound selected from the group consisting of Hg, Pb, K, and Al; and R represents rare earth metals. In one embodiment, a composition forms a 93K superconducting phase having the composition: M--R--Tl--Sr--Cu--O wherein: M is selected from the group consisting of Hg and Al; and R is a rare earth metal. In another embodiment, the composition comprises M--R--Tl--Sr--Cu--O wherein: M is selected from the group of Pb and/or K; and R is a rare earth metal.
    Type: Grant
    Filed: February 17, 1994
    Date of Patent: March 12, 1996
    Assignee: University of Arkansas
    Inventors: Zhengzhi Sheng, John Meason, Ying Xin