Patents by Inventor Wilfried Eckstein

Wilfried Eckstein 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: 10239791
    Abstract: The invention relates to a refractory ceramic batch for the production of an unformed refractory ceramic batch, the use of a batch of this kind for lining metallurgical melting vessels and also a metallurgical melting vessel which is lined with an unformed refractory ceramic product based on a batch of this kind.
    Type: Grant
    Filed: January 22, 2015
    Date of Patent: March 26, 2019
    Assignee: REFRACTORY INTELLECTUAL PROPERTY GMBH & CO. KG
    Inventors: Wilfried Eckstein, Karl-Michael Zettl
  • Patent number: 10155696
    Abstract: Exemplary embodiments relate to a batch for producing an unshaped refractory ceramic product, to a method for producing a fired refractory ceramic product, to a fired refractory ceramic product and to the use of an unshaped refractory ceramic product.
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: December 18, 2018
    Assignee: Refractory Intellectual Property GMBH & Co. LG
    Inventor: Wilfried Eckstein
  • Patent number: 9975810
    Abstract: The invention relates to a batch for producing an unshaped refractory ceramic product, to a method for producing a fired refractory ceramic product, to a fired refractory ceramic product and to the use of an unshaped refractory ceramic product.
    Type: Grant
    Filed: March 24, 2014
    Date of Patent: May 22, 2018
    Inventor: Wilfried Eckstein
  • Publication number: 20170313624
    Abstract: Exemplary embodiments relate to a batch for producing an unshaped refractory ceramic product, to a method for producing a fired refractory ceramic product, to a fired refractory ceramic product and to the use of an unshaped refractory ceramic product.
    Type: Application
    Filed: July 19, 2017
    Publication date: November 2, 2017
    Inventor: Wilfried Eckstein
  • Publication number: 20170275714
    Abstract: The invention relates to a mixture to be introduced into the slag located on a metal melt in iron and steel metallurgy, the use of such a mixture, and a method for conditioning a slag located on a metal melt in a metallurgical vessel, for example in a converter, in an electric arc furnace or in a ladle, in iron and steel metallurgy.
    Type: Application
    Filed: September 21, 2015
    Publication date: September 28, 2017
    Inventors: Wilfried WALLGRAM, Wilfried ECKSTEIN
  • Publication number: 20170050884
    Abstract: The invention relates to a refractory ceramic batch for the production of an unformed refractory ceramic batch, the use of a batch of this kind for lining metallurgical melting vessels and also a metallurgical melting vessel which is lined with an unformed refractory ceramic product based on a batch of this kind.
    Type: Application
    Filed: January 22, 2015
    Publication date: February 23, 2017
    Inventors: Wilfried Eckstein, Karl-Michael Zettl
  • Publication number: 20160115080
    Abstract: The invention relates to a batch for producing an unshaped refractory ceramic product, to a method for producing a fired refractory ceramic product, to a fired refractory ceramic product and to the use of an unshaped refractory ceramic product.
    Type: Application
    Filed: March 24, 2014
    Publication date: April 28, 2016
    Inventor: Wilfried Eckstein
  • Patent number: 6803336
    Abstract: The invention relates to a fire resistant substance and to a method for producing a fire-resistant lining. The fire-resistant substance contains MgO sinter and up to 5 wt. % of a reducing agent selected from the group consisting of substances that contain carbon. The lining has several layers with decreasing quantities of reducing agents.
    Type: Grant
    Filed: February 10, 2003
    Date of Patent: October 12, 2004
    Assignee: Refractory Intellectual Property GmbH & Co. KG
    Inventors: Franz Buxbaum, Wilfried Eckstein
  • Patent number: 5888586
    Abstract: The invention concerns a use for a water-containing refractory ceramic cast material based on a hydration-sensitive metal oxide such as MgO and containing carbon, a dispersing agent and a reactive silicic acid for forming a monolithic lining for a metallurgical smelting vessel.
    Type: Grant
    Filed: November 18, 1997
    Date of Patent: March 30, 1999
    Assignee: Veitsch-Radex Aktiengesellschaft Fur Feuerfeste Erzeugnisse
    Inventor: Wilfried Eckstein
  • Patent number: 5646079
    Abstract: The present invention pertains to an electrically conductive, dry, refractory ceramic mass based on a refractory oxidic matrix material containing a source of carbon, such as graphite, carbon black or petroleum coke.
    Type: Grant
    Filed: July 5, 1995
    Date of Patent: July 8, 1997
    Assignee: Veitsch-Radex Aktiengesellschaft Fur Feuerfeste Erzeungnisse
    Inventor: Wilfried Eckstein
  • Patent number: 5645772
    Abstract: A process for repairing bottom linings of D.C. arc furnaces. A refractory ceramic mass is used for lining the bottoms of D.C. arc furnaces in the area of metallic electrodes placed therein, wherein the refractory ceramic mass comprises one or more refractory oxides, in a grain fraction of less than 8 mm and 10 to 40 wt. % of finely dispersed metallic additives in a grain fraction of less than 0.1 mm, for lining bottoms of D.C. furnaces in the area of metallic electrodes, placed within said bottoms to insure an electrically conductive contact between the refractory ceramic mass and the metallic electrodes.
    Type: Grant
    Filed: December 23, 1994
    Date of Patent: July 8, 1997
    Assignee: Veitsch-Radex Aktiengesellschaft fur Feuerfeste Erzeugnisse
    Inventors: Franz-Adolf Petio, Wilfried Eckstein