Patents by Inventor Joorg Feist

Joorg Feist 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).

  • Thermal barrier coating with thermoluminescent indicator material embedded therein
    Patent number: 6974641
    Abstract: A coating material (20) for coating a machine component (10), especially a gas turbine or a part thereof, comprises a mixture of at least a refractory material and an indicator material having an optical emission (e.g. fluorescence) spectrum which varies in response to a physical parameter of the coated component. In a preferred embodiment, the coating consists of yttrium aluminium garnet (YAG) or yttrium stabilised zirconium. The dopant is preferably a rare earth metal, e.g. Eu, Tb, Dy.
    Type: Grant
    Filed: July 26, 1999
    Date of Patent: December 13, 2005
    Assignee: Southside Thermal Sciences (STS) Limited
    Inventors: Kwang-Leong Choy, Andrew Lawrence Heyes, Joorg Feist