Patents by Inventor Hans-Gerd Pressel

Hans-Gerd Pressel 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 of making coordinate measurements on workpieces
    Patent number: 5615489
    Abstract: A coordinate measuring apparatus carries a video camera 6 and a mechanical probe head 7 having a probe element 8 for contact-measuring the workpiece surface. With the aid of the coordinate measuring apparatus, the locations on the workpiece 9 to be mechanically contacted are driven to under visual control with the aid of the monitor 10 connected to the video camera. For this purpose, the probe element 8 is located in the viewing field of the video camera 6.
    Type: Grant
    Filed: May 25, 1994
    Date of Patent: April 1, 1997
    Assignee: Carl-Zeiss-Stiftung
    Inventors: Karl-Hermann Breyer, Klaus-Peter Koch, Helmut Heier, Hans-Gerd Pressel