TREA

Ralf Grief

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  • Zeltweg, AT
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Patents Grantslast 30 patents

  • Information Patent Grant

    Heading machine with cusp cutter
    • Patent number 11,299,987
    • Issue date Apr 12, 2022
    • Sandvik Mining and Construction G.m.b.H.
    • Ralf Grief
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Rotary claw drill bit
    • Patent number 10,781,641
    • Issue date Sep 22, 2020
    • Sandvik Intellectual Property AB
    • Hamidreza Gholiof
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Device for producing a gas-liquid mixture in the vicinity of cuttin...
    • Patent number 7,198,332
    • Issue date Apr 3, 2007
    • Voest-Alpine Bergtechnik Gesellschaft m.b.H.
    • Hubert Kargl
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Hewing or cutting roll
    • Patent number 7,175,237
    • Issue date Feb 13, 2007
    • Voest-Alpine Bergtechnik Gesellschaft m.b.H.
    • Reinhard Neuper
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Driving or mining machine
    • Patent number 6,785,988
    • Issue date Sep 7, 2004
    • Voest-Alpine Bergtechnik Gesellschaft m.b.H.
    • Egmont Lammer
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    HEADING MACHINE WITH CUSP CUTTER
    • Publication number 20210047926
    • Publication date Feb 18, 2021
    • Sandvik Mining and Construction G.m.b.H.
    • Ralf GRIEF
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    ROTARY CUTTING HEAD WITH FLUID SUPPLY DUCTING
    • Publication number 20200378253
    • Publication date Dec 3, 2020
    • Sandvik Intellectual Property AB
    • Ralf GRIEF
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    ROTARY CLAW DRILL BIT
    • Publication number 20180016849
    • Publication date Jan 18, 2018
    • SANDVIK INTELECTUAL PROPERTY AB
    • Hamidreza GHOLIOF
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    CUTTING DEVICE FOR A MINING MACHINE
    • Publication number 20120068528
    • Publication date Mar 22, 2012
    • Sandvik Mining and Construction G.m.b.H.
    • Ralf Grief
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Cutting tool for a mining machine
    • Publication number 20120056465
    • Publication date Mar 8, 2012
    • Sandvik Mining and Construction G.m.b.H.
    • Roman Gerer
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Device for produing a gas-liquid mixture in the vicinity of cutting...
    • Publication number 20060061205
    • Publication date Mar 23, 2006
    • VOEST-ALPINE Bergtechnik
    • Hubert Kargl
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Hewing or cutting roll
    • Publication number 20050248209
    • Publication date Nov 10, 2005
    • VOEST-ALPINE Bergtechnik Gesellschaft m.b.H.
    • Reinhard Neuper
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Driving or mining machine
    • Publication number 20020157283
    • Publication date Oct 31, 2002
    • VOEST-ALPINE Bergtechnik
    • Egmont Lammer
    • E21 - EARTH DRILLING MINING