TREA

Fred Hannemann

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  • Herzberg, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Mixer tap
    • Patent number 7,171,984
    • Issue date Feb 6, 2007
    • Grohe Water Technology AG & Co. KG
    • Manfred Pawelzik
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Diverter valve
    • Patent number 6,182,700
    • Issue date Feb 6, 2001
    • Friedrich Grohe AG & Co. KG
    • Fred Hannemann
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Handle assembly for single-control valve
    • Patent number 5,850,846
    • Issue date Dec 22, 1998
    • Friedrich Grohe AG
    • Fred Hannemann
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Single-lever mixing valve with valve cartridge
    • Patent number 5,755,258
    • Issue date May 26, 1998
    • Friedrich Grohe AG
    • Manfred Pawelzik
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Mixer tap
    • Publication number 20050115617
    • Publication date Jun 2, 2005
    • Manfred Pawelzik
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...