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Peter Froehlich

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  • Pullach, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rapid-action connection element with a filter
    • Patent number 7,780,754
    • Issue date Aug 24, 2010
    • Hilti Aktiengesellschaft
    • Christian Hefele
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Anchor rod
    • Patent number 4,983,083
    • Issue date Jan 8, 1991
    • Hilti Aktiengesellschaft
    • Peter Froehlich
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Expansion dowel assembly with an expansion cone displaceable into a...
    • Patent number 4,898,505
    • Issue date Feb 6, 1990
    • Hilti Aktiengesellschaft
    • Peter Froehlich
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Expansion dowel with limited expansion
    • Patent number 4,869,631
    • Issue date Sep 26, 1989
    • Hilti Aktiengesellschaft
    • Peter Froehlich
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Anchor dowel assembly
    • Patent number 4,673,320
    • Issue date Jun 16, 1987
    • Hilti Aktiengesellschaft
    • Peter Froehlich
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method of producing an expansion sleeve for a metallic expansion do...
    • Patent number 4,601,192
    • Issue date Jul 22, 1986
    • Hilti Aktiengesellschaft
    • Gusztav Lang
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Expansion dowel assembly
    • Patent number 4,560,311
    • Issue date Dec 24, 1985
    • Hilti Aktiengesellschaft
    • Armin Herb
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Drilling device for undercut boreholes
    • Patent number 4,487,275
    • Issue date Dec 11, 1984
    • Hilti Aktiengesellschaft
    • Peter Froehlich
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    Rapid-action connection element with a filter
    • Publication number 20080012312
    • Publication date Jan 17, 2008
    • Hilti Aktiengesellschaft
    • Christian Hefele
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...