Patents by Inventor Johannes-Gerh Banghard

Johannes-Gerh Banghard 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: 6864456
    Abstract: A new vacuum switching chamber is intended for power breakers in the low-voltage range and is distinguished by a compact form with a small physical height and a high switching capacity. Its enclosure includes a plate-like power current connection, a cylindrical wall part which surrounds flat spiral contacts, an annular insulator and a membrane disk with a centrally arranged power current supply bolt.
    Type: Grant
    Filed: February 25, 2000
    Date of Patent: March 8, 2005
    Assignee: Siemens Aktiengesellschaft
    Inventors: Johannes-Gerh Banghard, Klemens Fieberg, Michael Hahn, Werner Hartmann, Harald Kurzmann, Joerg Kusserow, Kathrina Marek, Klaus Oberndoerfer, Roman Renz, Detlev Schmidt
  • Patent number: 6674039
    Abstract: In a vacuum interrupter for circuit breakers, the aim is to reduce the contact pressure force. The contacts of the vacuum interrupter are configured for this purpose such that there is arranged inside an outer contact region, serving the purpose of arc quenching, an inner contact region which includes a plurality of resilient contact tongues arranged next to one another on a divided circle.
    Type: Grant
    Filed: January 18, 2002
    Date of Patent: January 6, 2004
    Assignee: Siemens Aktiengesellschaft
    Inventors: Johannes-Gerh Banghard, Klemens Fieberg, Michael Hahn, Werner Hartmann, Roman Renz