Patents by Inventor Wolf Birner

Wolf Birner 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 and apparatus for welding workpieces made of superalloys
    Patent number: 5319179
    Abstract: Apparatus for the deposition welding or the joint welding of a workpiece made of a superalloy by an arc welding process in which the workpiece is supported in a protective-gas container into which is placed a welding electrode and an induction coil for preheating the workpiece. Material of the same type of the workpiece is applied to the surface of the workpiece or to a welding joint thereof by arc welding produced by the welding electrode. The apparatus and associated method are particularly suitable for repairing age-hardened superalloys of engine blades.
    Type: Grant
    Filed: December 21, 1992
    Date of Patent: June 7, 1994
    Assignee: MTU Maintenance GmbH
    Inventors: Konrad Joecks, Wolf Birner