Patents by Inventor Konrad Walliser

Konrad Walliser 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).

  • Transducer plate for piezo-electrical transducers
    Patent number: 4368401
    Abstract: A transducer plate for piezo-electrical transducers has a piezo-electrical layer or member applied thereon. Unwanted oscillations, in particular the fourth partial oscillation, are attenuated by providing a thickness of the adhesive layer chosen for attenuation properties, and which is thicker than prior art adhesive layers.
    Type: Grant
    Filed: January 22, 1981
    Date of Patent: January 11, 1983
    Assignee: Siemens Aktiengesellschaft
    Inventors: Erwin Martin, Konrad Walliser