TREA

Rudolf Riker

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  • Memmingen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Arrangement for concrete production in tunnels
    • Patent number 4,795,264
    • Issue date Jan 3, 1989
    • Messrs. Stetter GmbH
    • Rudolf Riker
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Plant for processing surplus concrete
    • Patent number 4,616,786
    • Issue date Oct 14, 1986
    • Stetter GmbH
    • Rudolf Riker
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
  • Information Patent Grant

    Sludge settling plant
    • Patent number 4,578,189
    • Issue date Mar 25, 1986
    • Stetter GmbH
    • Rudolf Riker
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Pump for concrete or the like
    • Patent number 4,563,135
    • Issue date Jan 7, 1986
    • Rudolf Riker
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Device for separating coarse and fine particles from ultrafines
    • Patent number 4,543,180
    • Issue date Sep 24, 1985
    • Stetter GmbH
    • Rudolf Riker
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...