TREA

WATER RESEARCH COMMISSION THE

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  • TRANSVAAL, ZA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for the biological treatment of sulphate containing waste wa...
    • Patent number 10,414,680
    • Issue date Sep 17, 2019
    • Water Research Commission
    • Johannes Hendrikus Brand Joubert
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Treatment of water
    • Patent number 7,285,216
    • Issue date Oct 23, 2007
    • Water Research Commission
    • Peter Dale Rose
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Treatment of water containing carbonaceous solids
    • Patent number 6,521,128
    • Issue date Feb 18, 2003
    • Water Research Commission
    • Peter Dale Rose
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Process for treating sulphate-containing waste water
    • Patent number 6,315,904
    • Issue date Nov 13, 2001
    • Water Research Commission
    • Peter Dale Rose
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Treatment of sulphate- and metal-containing water
    • Patent number 6,228,263
    • Issue date May 8, 2001
    • Water Research Commission
    • Peter Dale Rose
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Process for treating metal-containing acid water
    • Patent number 6,203,700
    • Issue date Mar 20, 2001
    • Water Research Commission
    • Peter Dale Rose
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Treatment of water
    • Patent number 6,197,196
    • Issue date Mar 6, 2001
    • Water Research Commission
    • Peter Dale Rose
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Treatment of water
    • Patent number 6,110,370
    • Issue date Aug 29, 2000
    • Water Research Commission
    • Robert Paul Van Hille
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Upright tubular filter unit and method of separation using the filt...
    • Patent number 5,925,258
    • Issue date Jul 20, 1999
    • Water Research Commission
    • Martin John Pryor
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Method of making a hollow fibre membrane
    • Patent number 5,833,896
    • Issue date Nov 10, 1998
    • Water Research Commission
    • Edmund Petrus Jacobs
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    Water purification device
    • Patent number 5,595,662
    • Issue date Jan 21, 1997
    • Water Research Commission
    • Ronald D. Sanderson
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Method of cloud seeding
    • Patent number 5,357,865
    • Issue date Oct 25, 1994
    • Water Research Commission
    • Graeme K. Mather
    • C06 - EXPLOSIVES MATCHES
  • Information Patent Grant

    Semipermeable membranes
    • Patent number 4,985,145
    • Issue date Jan 15, 1991
    • Water Research Commission
    • Ronald D. Sanderson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Dewatering slurries
    • Patent number 4,770,793
    • Issue date Sep 13, 1988
    • The Water Research Commission
    • Kevin Treffry-Goatley
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Effluent treatment
    • Patent number 4,752,363
    • Issue date Jun 21, 1988
    • The Water Research Commission
    • Christopher A. Buckley
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents