Patents by Inventor Frank Sieger

Frank Sieger 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).

  • Voltage conversion device utilizing synchronously sequential controlled partial converters
    Patent number: 6088248
    Abstract: A voltage conversion device is disclosed which is to be used particularly in motor vehicles. For voltage conversion, a plurality of small voltage converters are connected as partial converters parallel to one another. By sequentially turning on the individual partial converters and superposition of the output current, a uniform output current at low input load is attained.
    Type: Grant
    Filed: July 19, 1999
    Date of Patent: July 11, 2000
    Assignee: Robert Bosch GmbH
    Inventors: Joachim Schenk, Frank Sieger, Volker Breunig, Bernd Aupperle