TREA

Ivar Apeland

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  • N-4137 .ANG.rdal, NO
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for classifying sand
    • Patent number 4,717,470
    • Issue date Jan 5, 1988
    • Ivar Apeland
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
  • Information Patent Grant

    Sand classification tank
    • Patent number 4,707,249
    • Issue date Nov 17, 1987
    • Ivar Apeland
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...