Patents by Inventor Martin R. Harrison

Martin R. Harrison 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).

  • Superconducting ceramic composition comprising (Pb,Cd)-Sr-(Y,Q)-Cu-O wherein Q is Ca or Sr
    Patent number: 5318949
    Abstract: A superconducting ceramic composition which is free of thallium, the composition having a unit cell containing two perovskite structure copper-oxygen planes and a rocksalt structure layer having a single plane containing cadmium.
    Type: Grant
    Filed: October 20, 1992
    Date of Patent: June 7, 1994
    Assignees: GEC-Marconi Limited, BICC Public Limited Company
    Inventors: Martin R. Harrison, Simon R. Hall, Timothy P. Beales