Patents by Inventor Wolfgang Koslowski

Wolfgang Koslowski 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).

  • Covering means for a top slag, method for the production thereof and use of the covering means
    Patent number: 7594948
    Abstract: The invention relates to a covering agent for a top slag of a metallic melt bath in a metallurgical vessel, in particular used in the steel industry, containing a material which melts on the melt bath and performs metallurgical work, wherein the material substantially comprises granules which have been rendered porous and the porosity of which is such that, at the melt bath temperature, a molten layer of liquid slag is formed on the melt bath, and a thermal barrier layer of the granules is formed above the molten layer of liquid slag. In addition, the invention relates to a process for producing the covering agent and to its use.
    Type: Grant
    Filed: September 29, 2003
    Date of Patent: September 29, 2009
    Assignee: Refratechnik Holding GmbH
    Inventors: Andreas Ackermann, Wolfgang Koslowski
  • Covering means for a top slag, method for the production thereof and use of the covering means
    Publication number: 20070000350
    Abstract: The invention relates to a covering agent for a top slag of a metallic melt bath in a metallurgical vessel, in particular used in the steel industry, containing a material which melts on the melt bath and performs metallurgical work, wherein the material substantially comprises granules which have been rendered porous and the porosity of which is such that, at the melt bath temperature, a molten layer of liquid slag is formed on the melt bath, and a thermal barrier layer of the granules is formed above the molten layer of liquid slag. In addition, the invention relates to a process for producing the covering agent and to its use.
    Type: Application
    Filed: September 29, 2003
    Publication date: January 4, 2007
    Inventors: Andreas Ackermann, Wolfgang Koslowski