Patents by Inventor Horst Pillhöffer

Horst Pillhöffer 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 for coating hollow bodies
    Patent number: 6887519
    Abstract: A process for coating hollow bodies, in which a powder mixture including a metal donor powder, an inert filler powder and an activator powder including a metal halide is provided, the powder mixture is brought into contact with an inner surface, which is to be coated, of the hollow body and is heated, in which process, in order to increase the internal layer thicknesses, the inert filler powder is provided with a mean particle size which is approximately the same as the mean particle size of the metal donor powder.
    Type: Grant
    Filed: December 9, 1999
    Date of Patent: May 3, 2005
    Assignee: MTU Aero Engines GmbH
    Inventors: Horst Pillhöffer, Andreas Fritsch, Thomas Dautl, Guido Schesny