Patents by Inventor David K. Hurran

David K. Hurran 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).

  • Ceramic welding
    Patent number: 5380563
    Abstract: In a ceramic welding process a composition of matter therefore includes a mixture of refractory particles and oxidizable metal particles wherein the harmonic mean size of the refractory particles is between 300 and 1000 microns, and the size range spread factor of the refractory particles is between 0.4 and 1.1 inclusive.
    Type: Grant
    Filed: June 17, 1992
    Date of Patent: January 10, 1995
    Assignee: Coal Industry (Patents) Limited
    Inventors: Leslie E. J. Tueker, Kevin Dunderdale, David K. Hurran, Robert G. Everitt