Patents by Inventor Mark L Doyle

Mark L Doyle 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).

  • Method of using Pd-alloy pinning wires in turbine blade casting
    Patent number: 5338509
    Abstract: Pinning wires suitable for use in turbine blade manufacture comprise palladium alloyed with one or more noble and/or refractory metals, and are substantially more cost effective than conventional pinning wires.
    Type: Grant
    Filed: September 9, 1993
    Date of Patent: August 16, 1994
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Duncan R. Coupland, Mark L Doyle