Patents by Inventor Klaus Sperber

Klaus Sperber 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).

  • Chuck with additional cutting elements
    Patent number: 6805521
    Abstract: A chuck for securing a working tool in a machine tool and including a one-piece, ring-shaped carrier member arranged outside of the end surface of the receiving end region of the chuck and parallel thereto and provided with cutting region having additional cutting elements distributed circumferentially around the receiving bore of the receiving end region and extending transverse to a plane defined by the ring-shaped carrier member and projecting away from the carrier member which secured by crews to the receiving end region of the chuck.
    Type: Grant
    Filed: March 26, 2002
    Date of Patent: October 19, 2004
    Assignee: EMUGE-Werk Richard Glimpel GmbH & Co. KG Fabrik für Päzisionswerkzeuge
    Inventors: Ernst Meyer, Klaus Sperber
  • Chuck with additional cutting elements
    Publication number: 20020141840
    Abstract: A chuck for securing a working tool in a machine tool and including a one-piece, ring-shaped carrier member arranged outside of the end surface of the receiving end region of the chuck and parallel thereto and provided with cutting regions having additional cutting elements distributed circumferentially around the receiving bore of the receiving end region and extending transverse to a plane defined by the ring-shaped carrier member and projecting away from the carrier member which secured by crews to the receiving end region of the chuck.
    Type: Application
    Filed: March 26, 2002
    Publication date: October 3, 2002
    Inventors: Ernst Meyer, Klaus Sperber