Patents by Inventor Klaus Kopper

Klaus Kopper 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).

  • Method of producing cold-moulded iron-containing briquettes
    Patent number: 5505903
    Abstract: In the manufacture of cold-moulded briquettes from iron-containing waste metallurgical material mixed with a binder, in order to obtain high-strength briquettes and almost complete reducibility, magnetite waste metallurgical material such as scale (1) is mixed with haematite fine material (5) to form a layer (10) of haematite line materials (5) enveloping the individual magnetite particles (9), after which the binder is added to the mixture (FIG. 1).
    Type: Grant
    Filed: June 21, 1994
    Date of Patent: April 9, 1996
    Assignee: Voest-Alpine Industrieanlagenbau GmbH
    Inventors: Gunter Schrey, Gero Tessmer, Karl Katzensteiner, Klaus Kopper