Patents by Inventor Gunter Von Zur Gathen

Gunter Von Zur Gathen 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).

  • Field bus arrangement with a field bus distributor
    Patent number: 6614634
    Abstract: The invention relates to a field bus arrangement with a field bus distributor (11) for mounting in the area (1) at risk of explosion, for feeding a plurality of field devices (121 to 12n), arranged in the area (1) at risk of explosion, via intrinsically safe electric circuits (13) from at least one high-energy voltage source (21) arranged in the area (2) not at risk of explosion. For this purpose, in the area (2) not at risk of explosion, a field bus coupler (22) arranged in the area (2) not at risk of an explosion and having three electric circuits which are DC-isolated from one another is provided.
    Type: Grant
    Filed: November 16, 2000
    Date of Patent: September 2, 2003
    Assignee: ABB Patent GmbH
    Inventors: Peter Westerfeld, Gunter Von Zur Gathen