TREA

Hans Arens

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  • Wertingen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Tube separator
    • Patent number 4,800,918
    • Issue date Jan 31, 1989
    • Grunbeck Wasseraufbereitung GmbH
    • Hans Arens
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Tube separator with protection against contamination
    • Patent number 4,624,279
    • Issue date Nov 25, 1986
    • Grunbeck Wasseraufbereitung GmbH
    • Hans Arens
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Tube separator device
    • Patent number 4,595,031
    • Issue date Jun 17, 1986
    • Grunbeck Wasseraufbereitung GmbH
    • Hans Arens
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Tube separator
    • Patent number 4,573,491
    • Issue date Mar 4, 1986
    • Grunbeck Wasseraufbereitung GmbH
    • Hans Arens
    • E03 - WATER SUPPLY SEWERAGE