Patents by Inventor Hans-Henning Hennies

Hans-Henning Hennies 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).

  • Protective coating for turbine blades
    Patent number: 6149389
    Abstract: On a turbine blade a protective corrosion resistant surface layer consisting of a MCrAlY alloy is generated by melting the surface of the turbine blade with the MCrAlY alloy uniformly distributed over the surface of the turbine blade by a pulsed electron beam to a depth of 5-50 .mu.m whereby a smooth surface is generated.
    Type: Grant
    Filed: September 11, 1998
    Date of Patent: November 21, 2000
    Assignee: Forschungszentrum Karlsruhe GmbH
    Inventors: Hans-Henning Hennies, Gunther Kessler, Gerd Krafft, Georg Muller, Gustav Schumacher