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Erwin Schiefer

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  • Munich, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Anchor rod for composite anchors
    • Patent number 5,735,653
    • Issue date Apr 7, 1998
    • Hilti Aktiengesellschaft
    • Erwin Schiefer
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Expansion dowel with friction reducing coating
    • Patent number 5,176,481
    • Issue date Jan 5, 1993
    • Hilti Aktiengesellschaft
    • Erwin Schiefer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Expansion bolt assembly
    • Patent number 4,730,966
    • Issue date Mar 15, 1988
    • Hilti Aktiengesellschaft
    • Erwin Schiefer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Slotted anchoring bush
    • Patent number 4,673,322
    • Issue date Jun 16, 1987
    • Hilti Aktiengesellschaft
    • Erwin Schiefer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Expansion anchor assembly
    • Patent number 4,482,277
    • Issue date Nov 13, 1984
    • Hilti Aktiengesellschaft
    • Erwin Schiefer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Anchor bolt assembly
    • Patent number 4,474,516
    • Issue date Oct 2, 1984
    • Hilti Aktiengesellschaft
    • Erwin Schiefer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sealing member for a device for melting solid adhesive material
    • Patent number 4,314,655
    • Issue date Feb 9, 1982
    • Hilti Aktiengesellschaft
    • Erich Leibhard
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Expansion dowel
    • Patent number 4,289,062
    • Issue date Sep 15, 1981
    • Hilti Aktiengesellschaft
    • Erwin Schiefer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Clamping member for an adhesively secured anchor rod
    • Patent number 4,193,246
    • Issue date Mar 18, 1980
    • Hilti Aktiengesellschaft
    • Erwin Schiefer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Expansion dowel
    • Patent number 4,156,381
    • Issue date May 29, 1979
    • Hilti Aktiengesellschaft
    • Erwin Schiefer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Expansion dowel
    • Patent number 4,147,444
    • Issue date Apr 3, 1979
    • Hilti Aktiengesellschaft
    • Armin Herb
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pipe clamp
    • Patent number 4,118,838
    • Issue date Oct 10, 1978
    • Hilti Aktiengesellschaft
    • Erwin Schiefer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pipe and cable clip
    • Patent number 4,119,285
    • Issue date Oct 10, 1978
    • Hilti Aktiengesellschaft
    • Heinz Bisping
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...