Patents by Inventor Dirk Schräder

Dirk Schräder 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).

  • Electrical switching device
    Patent number: 7986061
    Abstract: An electrical switching device has a first interrupter unit for interrupting and connecting an electrical line, in particular an air-insulated grounding switch. A method for switching an air-insulated grounding switch assures that no arc owing to a voltage flashover is produced on the air-insulated grounding switch. A second interrupter unit, which is connected in parallel with the first interrupter unit, can be switched such that resultant striking of an arc during switching only takes place in the second interrupter unit.
    Type: Grant
    Filed: February 16, 2007
    Date of Patent: July 26, 2011
    Assignee: Siemens Aktiengesekkschaft
    Inventors: Torsten Kuntze, Carsten Protze, Dirk Schräder