Patents by Inventor Peter Hoffman

Peter Hoffman 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).

  • Metallurgical vessel
    Patent number: 5332199
    Abstract: Apparatus for supplying a molten metal (5) in a metallurgical vessel (3) with a gas and fine-grain solid materials comprising a water-cooled first lance (117) for the supply of the gas and a second lance (119) for the supply of the solid materials. The supply of the solid materials is effected in such a way that, after leaving the outlet opening of the second lance (119), the materials are deflected by the gas (127) issuing from the outlet opening of the first lance (117), and are fed with said gas to the molten metal (5). The lances are inserted through the side wall of the vessel (3).
    Type: Grant
    Filed: August 28, 1991
    Date of Patent: July 26, 1994
    Assignee: Fuchs Systemtechnik GmbH
    Inventors: Hubert Knapp, Peter Hoffman
  • Tag for a container
    Patent number: 4598489
    Abstract: A foldable, flexible tag having a central opening and an auxiliary opening adapted to fold over a connecting fold line so that the center of the auxiliary opening is further from the fold line than is the center of the auxiliary opening.
    Type: Grant
    Filed: September 28, 1984
    Date of Patent: July 8, 1986
    Assignee: Colgate-Palmolive Company
    Inventor: Klaus-Peter Hoffman