TREA

Georg Prokscha

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  • Recklinghausen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Three-way valve
    • Patent number 4,838,312
    • Issue date Jun 13, 1989
    • Metallpraecis Berchem+Schaberg Gesellschaft Fur Metallformgebung m.b.H.
    • Rutger Berchem
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Connector pipe segment
    • Patent number 4,804,207
    • Issue date Feb 14, 1989
    • Metallpraecis Berchem
    • Rutger Berchem
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ball valve with a ceramic valve ball and ceramic seat rings
    • Patent number 4,795,133
    • Issue date Jan 3, 1989
    • B + S Metalpraecis Gesellschaft fur Metallformgebung m.b.H.
    • Rutger Berchem
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ball cock with sinter ceramic valve seat and valve ball
    • Patent number 4,771,803
    • Issue date Sep 20, 1988
    • B+S Metallpraecis Gesellschaft fur Metallformgsbung m.b.H.
    • Rutger Berchem
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Excavator tooth assembly for earth moving equipment
    • Patent number 4,744,158
    • Issue date May 17, 1988
    • Berchem & Schaberg GmbH
    • Rutger Berchem
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Excavator tooth for earth moving equipment
    • Patent number 4,712,321
    • Issue date Dec 15, 1987
    • Berchem & Schaberg GmbH
    • Rutger Berchem
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Replaceable tooth for a digging and breaking tool
    • Patent number 4,711,503
    • Issue date Dec 8, 1987
    • Berchem & Schaberg GmbH
    • Rutger Berchem
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING