Patents by Inventor Jochen PERKO

Jochen PERKO 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 for producing a steel material, and steel material
    Patent number: 11486015
    Abstract: The invention relates to a method for producing a steel material, particularly a corrosion-resistant steel material for pumps and similar, in which a steel corresponding to the following analysis (in wt. %) is smelted: C<0.050; Si<0.70; Mn<1.00; P<0.030; S<0.010; Cr=14-15.50; Mo=0.30-0.60; Ni=4.50-5.50; V<0.20; W<0.20; Cu=2.50-4.00; Co<0.30; Ti<0.05; Al<0.05; Nb<0.05; Ta<0.05; N<0.05.
    Type: Grant
    Filed: May 11, 2017
    Date of Patent: November 1, 2022
    Assignee: VOESTALPINE BÖHLER EDELSTAHL GMBH & CO. KG
    Inventors: Jochen Perko, Michael Haspel, Patric Schütz
  • METHOD FOR PRODUCING A STEEL MATERIAL, AND STEEL MATERIAL
    Publication number: 20190211410
    Abstract: The invention relates to a method for producing a steel material, particularly a corrosion-resistant steel material for pumps and similar, in which a steel corresponding to the following analysis (in wt. %) is smelted: C<0.050; Si<0.70; Mn<1.00; P<0.030; S<0.010; Cr=14-15.50; Mo=0.30-0.60; Ni=4.50-5.50; V<0.20; W<0.20; Cu=2.50-4.00; Co<0.30; Ti<0.05; Al<0.05; Nb<0.05; Ta<0.05; N<0.05.
    Type: Application
    Filed: May 11, 2017
    Publication date: July 11, 2019
    Inventors: Jochen PERKO, Michael Haspel, Patric SCHUTZ
  • Wear-resistant material
    Patent number: 8623108
    Abstract: A wear-resistant material which comprises certain concentrations of carbon, nitrogen, oxygen, niobium/tantalum as well as other metallic elements. The material comprises a metal matrix and hard phases embedded therein. The hard phases comprise one or more of carbides, nitrides, carbonitrides, and oxide carbonitrides and have a diameter of from about 0.2 ?m to about 50 ?m. This abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.
    Type: Grant
    Filed: January 13, 2010
    Date of Patent: January 7, 2014
    Assignee: Boehler Edelstahl GmbH & Co KG
    Inventors: Werner Theisen, Stephan Huth, Jochen Perko, Herbert Schweiger
  • WEAR-RESISTANT MATERIAL
    Publication number: 20100192476
    Abstract: A wear-resistant material which comprises certain concentrations of carbon, nitrogen, oxygen, niobium/tantalum as well as other metallic elements. The material comprises a metal matrix and hard phases embedded therein. The hard phases comprise one or more of carbides, nitrides, carbonitrides, and oxide carbonitrides and have a diameter of from about 0.2 ?m to about 50 ?m. This abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.
    Type: Application
    Filed: January 13, 2010
    Publication date: August 5, 2010
    Applicant: BOEHLER EDELSTAHL GMBH & CO KG
    Inventors: Werner THEISEN, Stephan HUTH, Jochen PERKO, Herbert SCHWEIGER