TREA

Jan-Erik Karlsson

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  • Tyreso, SE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Roll for hot rolling
    • Patent number 9,993,858
    • Issue date Jun 12, 2018
    • Sandvik Intellectual Property AB
    • Menderes Kayhan
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Roll, as well as a ring for such a roll
    • Patent number 8,133,162
    • Issue date Mar 13, 2012
    • Sandvik Intellectual Property AB
    • Jorge Gleizer
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of manufacture of as-cast composite roll
    • Patent number 6,490,793
    • Issue date Dec 10, 2002
    • Sandvik AB
    • Carl-Johan Maderud
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Composite roll and method of manufacture thereof
    • Patent number 6,095,958
    • Issue date Aug 1, 2000
    • Sandvik AB
    • Carl-Johan Maderud
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    ROLL FOR HOT ROLLING
    • Publication number 20150018185
    • Publication date Jan 15, 2015
    • Sandvik Intellectual Property AB
    • Menderes Kayhan
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Roll, as well as a ring for such a roll
    • Publication number 20060287176
    • Publication date Dec 21, 2006
    • SANDVIK INTELLECTUAL PROPERTY AB
    • Jorge Gleizer
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Roll, a roll ring and a method in the production of such a roll
    • Publication number 20060287179
    • Publication date Dec 21, 2006
    • SANDVIK INTELLECTUAL PROPERTY AB
    • Jorge Gleizer
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...