Patents by Inventor Wolfgang Leistner

Wolfgang Leistner 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).

  • Reduced cost steel for hydrogen technology with high resistance to hydrogen-induced embrittlement
    Patent number: 10513764
    Abstract: An austenitic steel for hydrogen technology has the following composition: 0.01 to 0.4 percent by mass of carbon, ?5 percent by mass of silicon, 0.3 to 30 percent by mass of manganese, 10.5 to 30 percent by mass of chromium, 4 to 12.5 percent by mass of nickel, ?3 percent by mass of molybdenum, ?0.2 percent by mass of nitrogen, ?5 percent by mass of aluminum, ?5 percent by mass of copper, ?5 percent by mass of tungsten, ?0.1 percent by mass of boron, ?3 percent by mass of cobalt, ?0.5 percent by mass of tantalum, ?2.0 percent by mass of at least one of the elements: niobium, titanium, vanadium, hafnium and zirconium, ?0.3 percent by mass of at least one of the elements: yttrium, scandium, lanthanum, cerium and neodymium, the remainder being iron and smelting-related steel companion elements.
    Type: Grant
    Filed: November 14, 2014
    Date of Patent: December 24, 2019
    Assignee: Bayerische Motoren Werke Aktiengesellschaft
    Inventors: Wolfgang Leistner, Thorsten Michler, Werner Theisen, Mauro Sebastian Martin, Sebastian Weber, Joerg Naumann
  • Cost reduced steel for hydrogen technology with high resistance to hydrogen-induced embrittlement
    Patent number: 10407759
    Abstract: A corrosion-resistant, hot and cold formable and weldable steel for use in hydrogen-induced technology with high resistance to hydrogen embrittlement has the following composition: 0.01 to 0.4 percent by mass of carbon, ?3.0 percent by mass of silicon, 0.3 to 30 percent by mass of manganese, 10.5 to 30 percent by mass of chromium, 4 to 12.5 percent by mass of nickel, ?1.0 percent by mass of molybdenum, ?0.2 percent by mass of nitrogen, 0.5 to 8.0 percent by mass of aluminum, ?4.0 percent by mass of copper, ?0.1 percent by mass of boron, ?1.0 percent by mass of tungsten, ?5.0 percent by mass of cobalt, ?0.5 percent by mass of tantalum, ?2.0 percent by mass of at least one of the elements: niobium, titanium, vanadium, hafnium and zirconium, ?0.3 percent by mass of at least one of the elements: yttrium, scandium, lanthanum, cerium and neodymium, the remainder being iron and smelting-related steel companion elements.
    Type: Grant
    Filed: May 1, 2014
    Date of Patent: September 10, 2019
    Assignee: Bayerische Motoren Werke Aktiengesellschaft
    Inventors: Joerg Naumann, Wolfgang Leistner, Werner Theisen, Sebastian Weber, Thorsten Michler, Mauro Martin
  • Reduced Cost Steel for Hydrogen Technology with High Resistance to Hydrogen-Induced Embrittlement
    Publication number: 20150167134
    Abstract: An austenitic steel for hydrogen technology has the following composition: 0.01 to 0.4 percent by mass of carbon, ?5 percent by mass of silicon, 0.3 to 30 percent by mass of manganese, 10.5 to 30 percent by mass of chromium, 4 to 12.5 percent by mass of nickel, ?3 percent by mass of molybdenum, ?0.2 percent by mass of nitrogen, ?5 percent by mass of aluminum, ?5 percent by mass of copper, ?5 percent by mass of tungsten, ?0.1 percent by mass of boron, ?3 percent by mass of cobalt, ?0.5 percent by mass of tantalum, ?2.0 percent by mass of at least one of the elements: niobium, titanium, vanadium, hafnium and zirconium, ?0.3 percent by mass of at least one of the elements: yttrium, scandium, lanthanum, cerium and neodymium, the remainder being iron and smelting-related steel companion elements.
    Type: Application
    Filed: November 14, 2014
    Publication date: June 18, 2015
    Inventors: Wolfgang LEISTNER, Thorsten MICHLER, Werner THEISEN, Mauro Sebastian MARTIN, Sebastian WEBER, Sascha RIEDNER, Joerg NAUMANN
  • Cost Reduced Steel for Hydrogen Technology with High Resistance to Hydrogen-Induced Embrittlement
    Publication number: 20140234153
    Abstract: A corrosion-resistant, hot and cold formable and weldable steel for use in hydrogen-induced technology with high resistance to hydrogen embrittlement has the following composition: 0.01 to 0.4 percent by mass of carbon, ?3.0 percent by mass of silicon, 0.3 to 30 percent by mass of manganese, 10.5 to 30 percent by mass of chromium, 4 to 12.5 percent by mass of nickel, ?1.0 percent by mass of molybdenum, ?0.2 percent by mass of nitrogen, 0.5 to 8.0 percent by mass of aluminum, ?4.0 percent by mass of copper, ?0.1 percent by mass of boron, ?1.0 percent by mass of tungsten, ?5.0 percent by mass of cobalt, ?0.5 percent by mass of tantalum, ?2.0 percent by mass of at least one of the elements: niobium, titanium, vanadium, hafnium and zirconium, ?0.3 percent by mass of at least one of the elements: yttrium, scandium, lanthanum, cerium and neodymium, the remainder being iron and smelting-related steel companion elements.
    Type: Application
    Filed: May 1, 2014
    Publication date: August 21, 2014
    Applicant: Bayerische Motoren Werke Aktiengesellschaft
    Inventors: Joerg NAUMANN, Wolfgang LEISTNER, Werner THEISEN, Sebastian WEBER, Thorsten MICHLER, Mauro MARTIN
  • Slatted base for a bed
    Patent number: 5774911
    Abstract: A slatted base for a bed having elastically deformable supporting slats which connect longitudinal supports with mutually spaced spring slats running transverse to the longitudinal supports. The spring slats collectively form a supporting surface for a mattress. The middle area of the supporting slat is more elastically deformable than the end areas to provide more sleeping comfort.
    Type: Grant
    Filed: May 1, 1997
    Date of Patent: July 7, 1998
    Assignee: Matra AG
    Inventors: Andreas Stube, Wolfgang Leistner