Patents by Inventor Christian Feistel

Christian Feistel 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: 7659687
    Abstract: The invention relates to an electric drive (19) provided with a drive regulator (5), an electromotor (9) and a control device (3, 4, 7, 8) which is used to detect and monitor the threshold value of axis-relevant, electrical/mechanical operational state variables, and preventative error diagnosis. The control device (3, 4, 7, 8) comprises an additional monitoring device (6) which can analyze the operational state variables in order to recognize, at an earlier stage, possible deviations from tolerance ranges and to process the analysis results.
    Type: Grant
    Filed: June 10, 2005
    Date of Patent: February 9, 2010
    Assignee: Bosch Rexroth AG
    Inventors: Matthias Wahler, Christian Feistel, Alexander Schmitt