Patents by Inventor Michael Bluhm

Michael Bluhm 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).

  • Surge arrester with external short-circuit device
    Patent number: 5644465
    Abstract: In a three-electrode surge arrester where the center electrode (3) is provided with a connecting wire (6) that projects outward radially and is provided with an outside short-circuit device, the latter consists of a two-arm spring clip (20) whose arms project axially beyond the free ends of the end electrodes and are in contact with the outside peripheral edge of the respective end electrode (1, 2) with a layer of insulating film (21) in between. Spring clip (20) has an roof-shaped arch (24) and is provided with a passage in the area of this arch that serves to secure the spring clip on connecting wire (6) of center electrode (3).
    Type: Grant
    Filed: October 30, 1995
    Date of Patent: July 1, 1997
    Assignee: Siemens Aktiengesellschaft
    Inventors: Gerhard Lange, Thomas Westebbe, Michael Bluhm