Patents by Inventor Herbert A. McKinstry

Herbert A. McKinstry 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).

  • Low expansion ceramic
    Patent number: 4801566
    Abstract: Crystalline solid solutions and diphasic mixtures having a composition of Ca.sub.1-x M.sub.x Zr.sub.4 P.sub.6 O.sub.24, where M is Ba and/or Sr and X is between about 0.25 and 0.75, have been produced which display both low anisotropy and near zero bulk thermal expansion behavior.
    Type: Grant
    Filed: March 13, 1987
    Date of Patent: January 31, 1989
    Assignee: Pennsylvania State University
    Inventors: Santosh Y. Limaye, Dinesh K. Agrawal, Herbert A. McKinstry, Rustum Roy