TREA

Risto Saari

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  • Luoma, FI
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Patents Grantslast 30 patents

  • Information Patent Grant

    Two-stage condenser
    • Patent number 5,231,836
    • Issue date Aug 3, 1993
    • Inventio Oy
    • Risto Saari
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Method of freezing and separation
    • Patent number 5,181,396
    • Issue date Jan 26, 1993
    • A. Ahlstrom Corporation
    • Risto V. J. Saari
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Method for distilling a liquid
    • Patent number 4,348,261
    • Issue date Sep 7, 1982
    • Risto Saari
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Flash evaporators
    • Patent number 4,105,505
    • Issue date Aug 8, 1978
    • Risto Saari
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE