TREA

Max Derr

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  • Iserlohn, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Single-control mixing valve
    • Patent number 6,199,586
    • Issue date Mar 13, 2001
    • Friedrich Grohe AG & Co. KG
    • Manfred Pawelzik
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    One-hole mount mixing faucet
    • Patent number 5,558,128
    • Issue date Sep 24, 1996
    • Friedrich Grohe Aktiengesellschaft
    • Manfred Pawelzik
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Coupling for seating a tube end in a fitting
    • Patent number 5,213,377
    • Issue date May 25, 1993
    • Friedrich Grohe Armaturenfabrik GmbH & Co.
    • Jurgen Humpert
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Volume control valve
    • Patent number 4,501,408
    • Issue date Feb 26, 1985
    • Friedrich Grohe Armaturenfabrik GmbH & Co.
    • Manfred Pawelzik
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...