Patents by Inventor Christian Engelhardt

Christian Engelhardt 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).

  • Grinding machine
    Patent number: 8475232
    Abstract: A grinding machine includes a machine frame with a work piece support surface on which a work piece may be transporter through the machine. A grinding bar arrangement including two grinding shoes positioned in parallel is arranged transversely with respect to a work piece feeding direction across the width of the work piece support surface. The two grinding shoes carry a grinding medium on their surfaces facing the work piece support surface and are suspended via an eccentric drive. The two grinding shoes perform rotary movements in a plane parallel to the work piece support surface achieving a high quality grinding result.
    Type: Grant
    Filed: August 13, 2010
    Date of Patent: July 2, 2013
    Assignee: Hans Weber Maschinenfabrik GmbH
    Inventors: Markus Weber, Christian Engelhardt
  • GRINDING MACHINE
    Publication number: 20110263184
    Abstract: A grinding machine includes a machine frame with a work piece support surface on which a work piece may be transporter through the machine. A grinding bar arrangement including two grinding shoes positioned in parallel is arranged transversely with respect to a work piece feeding direction across the width of the work piece support surface. The two grinding shoes carry a grinding medium on their surfaces facing the work piece support surface and are suspended via an eccentric drive. The two grinding shoes perform rotary movements in a plane parallel to the work piece support surface achieving a high quality grinding result.
    Type: Application
    Filed: August 13, 2010
    Publication date: October 27, 2011
    Applicant: Hans Weber Maschinenfabrik GmbH
    Inventors: Markus Weber, Christian Engelhardt