Patents by Inventor Jochen Berkemeier

Jochen Berkemeier 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: 8756999
    Abstract: The invention relates to an ultrasonic probe for the non-destructive testing of metal work pieces, particularly pipes, for transverse defects, comprising a row-shaped arrangement of oscillator elements located on a lead wedge for coupling to the work piece. According to the invention, the lead wedge is designed as a wedge-shaped hollow body, which is filled with fluid and the wedge angle of which is a maximum of 24, and which is arranged on the work piece such that the intromission angle into the work piece is a maximum of 70.
    Type: Grant
    Filed: January 14, 2010
    Date of Patent: June 24, 2014
    Assignee: Salzgitter Mannesmann Line Pipe GmbH
    Inventors: Alfred Graff, Gert Fischer, Karl-Heinz Breckel, Jochen Berkemeier
  • Publication number: 20120137779
    Abstract: The invention relates to an ultrasonic probe for the non-destructive testing of metal work pieces, particularly pipes, for transverse defects, comprising a row-shaped arrangement of oscillator elements located on a lead wedge for coupling to the work piece. According to the invention, the lead wedge is designed as a wedge-shaped hollow body, which is filled with fluid and the wedge angle of which is a maximum of 24, and which is arranged on the work piece such that the intromission angle into the work piece is a maximum of 70.
    Type: Application
    Filed: January 14, 2010
    Publication date: June 7, 2012
    Applicant: SALZGITTER MANNESMANN LINE PIPE GMBH
    Inventors: Alfred Graff, Gert Fischer, Karl-Heinz Breckel, Jochen Berkemeier