Patents by Inventor Hubert Hammerschmid

Hubert Hammerschmid 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: 4866731
    Abstract: An electric furnace includes a furnace vessel covered by a furnace lid liftable and lowerable by a lid lifting mechanism and pivotable from a position above the furnace vessel into a position lateral of the furnace vessel and back by a lid pivoting mechanism. A lid supporting framework is pivotably mounted lateral of the furnace vessel and includes at least one lid bracket extending over the furnace vessel for lifting, lowering and pivoting the furnace lid. In order to be able to pivot the lid bracket without furnace lid and without necessitating manipulations to be carried out at the furnace lid for the purpose of exchanging the lid or the lid core, the lid bracket is detachably connected to the furnace lid by at least one coupling means, with a coupling piece of the coupling means being arranged on the lid bracket and a coupling counter piece of the coupling means being arranged on the furnace lid.
    Type: Grant
    Filed: May 12, 1988
    Date of Patent: September 12, 1989
    Assignee: Voest-Alpine Aktiengesellschaft
    Inventors: Ernst Zajicek, Ernst Riegler, Hubert Hammerschmid