Patents by Inventor Christopher B. Harley

Christopher B. Harley 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).

  • Hardfaced article and process to prevent crack propagation in hardfaced substrates
    Patent number: 5352526
    Abstract: A composite article and process forming a soft metallic layer, underneath a hardface coating, on a metallic substrate, using cloth-like flexible preforms. The softer layer formed underneath the hardfacing should be one having a hardness below 35 HRC, preferably 30 HRC, and should not experience any significant physical changes, e.g., increase in hardness, upon heat treatment.
    Type: Grant
    Filed: February 6, 1990
    Date of Patent: October 4, 1994
    Assignee: Pullman Company
    Inventors: Mukesh M. Solanki, Christopher B. Harley