Patents by Inventor Werner Ringel

Werner Ringel 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).

  • Patent number: 5285687
    Abstract: A method and apparatus for the acoustic examination of a monolith for damage, wherein a blow of defined force is applied by a hard striker to a monolith for its acoustic examination for damage. The sound pressure distribution over a predetermined frequency range, of the sound radiated by the struck monolith is analyzed by a frequency analyzer and the result is compared with a reference curve defined for undamaged monoliths. The device for implementing the process has a receptacle for the monolith to be examined, a striker, capacitor microphones as the sound pressure receivers and an evaluation unit with a frequency analyzer.
    Type: Grant
    Filed: October 7, 1991
    Date of Patent: February 15, 1994
    Assignee: Zeuna-Starker GmbH & Co. KG
    Inventors: Werner Ringel, Peter Kugland, Enrique Santiago