Johannes Steenhorst

Person

  • Brussels, BE

Patents Grantslast 30 patents

  • Information Patent Grant

    Sludge removal apparatus

    • Patent number 4,181,614
    • Issue date Jan 1, 1980
    • The British Petroleum Company Limited
    • Johannes Steenhorst
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE