Patents by Inventor Rudolf Waldhutter

Rudolf Waldhutter 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 testing parts, especially of nuclear plants, by means of eddy current
    Patent number: 4687992
    Abstract: Defect detection in testing pipes, particularly in heat exchangers of nuclear reactors by means of eddy current in which interference influences due to the design are suppressed by measurements with different frequencies and the frequencies interlinked to give a signal only if there is a defect indication.
    Type: Grant
    Filed: March 29, 1985
    Date of Patent: August 18, 1987
    Assignee: Kraftwerk Union Aktiengesellschaft
    Inventors: Ludwig von Bernus, Georg Bogelein, Rudolf Waldhutter