Patents by Inventor Ernst Lunh

Ernst Lunh 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).

  • Defect type classifying method
    Patent number: 6923067
    Abstract: The invention relates to a method for non-destructive testing of materials, in which at least two differently guided waves (modes) are produced in the solid body, each at at least one specified angle, the measured reflection values are placed in relation to a reference echo in order to obtain a relative reflection value, and the relative reflection values of the individual modes are again placed in relation to one another, thereby enabling the size and type of the defects to be determined.
    Type: Grant
    Filed: April 26, 2002
    Date of Patent: August 2, 2005
    Assignee: Betriebsforschungsinstitut VDEH Institut fur Angewandte Forschung GmbH
    Inventors: Gunther Coen, Ernst Lunh, Dietmar Oberhoff
  • Defect type classifying method
    Publication number: 20020166384
    Abstract: The invention relates to a method for non-destructive testing of materials, in which at least two differently guided waves (modes) are produced in the solid body, each at at least one specified angle, the measured reflection values are placed in relation to a reference echo in order to obtain a relative reflection value, and the relative reflection values of the individual modes are again placed in relation to one another, thereby enabling the size and type of the defects to be determined.
    Type: Application
    Filed: April 26, 2002
    Publication date: November 14, 2002
    Applicant: BETRIEBSFORSCHUNGSINSTITUT VDEH INSTITUT FUR ANGEWANDTE
    Inventors: Gunther Coen, Ernst Lunh, Dietmar Oberhoff