Patents by Inventor Erwin Rohde

Erwin Rohde 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).

  • High voltage disconnect switch employing pre-contact pieces
    Patent number: 4521654
    Abstract: A high voltage disconnect switch, including a countercontact piece having switch countercontacts and being arranged for connection to a source of high voltage. Resilient pre-contact pieces are insulatingly connected to the countercontact piece and include switch contacts disposed for contacting the switch countercontacts. Movable primary contact pieces are arranged to be movable from a first position of separation from the pre-contact pieces and the countercontact piece to a second position in which the primary contact pieces are in contact with the pre-contact pieces but not with the countercontact piece and to a third position in which the primary contact pieces are in contact with both the pre-contact pieces and the countercontact piece.
    Type: Grant
    Filed: September 26, 1983
    Date of Patent: June 4, 1985
    Assignee: Licentia Patent-Verwaltungs-G.m.b.H.
    Inventors: Wolfgang Eberhardt, Dietrich Hoffmann, Karl Kriechbaum, Erwin Rohde