Patents by Inventor Christian P. Burger

Christian P. Burger 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 device for nondestructive evaluation
    Patent number: 4928527
    Abstract: Ultrasonic surface examination, of interest in a variety of manufacturing and maintenance situations, is facilitated by a method which involves localized sensing of a surface wave by optical-fiber interferometry. The method is particularly applicable for examination of surfaces in confined spaces and wherever line-of-sight examination is difficult.
    Type: Grant
    Filed: April 29, 1988
    Date of Patent: May 29, 1990
    Assignee: AT&T Bell Laboratories
    Inventors: Christian P. Burger, Thomas D. Dudderar, John A. Gilbert, Bruce R. Peters, James A. Smith