TREA

Harold L. Ball

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  • Roseburg, OR, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Wastewater treatment system utilizing textile filter media
    • Patent number 6,540,920
    • Issue date Apr 1, 2003
    • Orenco Systems, Inc.
    • Terry R. Bounds
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Tank
    • Patent number D461870
    • Issue date Aug 20, 2002
    • Orenco Systems Incorporated
    • Harold L. Ball
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Tank
    • Patent number D445476
    • Issue date Jul 24, 2001
    • Orenco Systems Incorporated
    • Harold L. Ball
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Method of treating wastewater
    • Patent number 5,531,894
    • Issue date Jul 2, 1996
    • Orenco Systems, Inc.
    • Harold L. Ball
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Method and apparatus for treating wastewater
    • Patent number 5,480,561
    • Issue date Jan 2, 1996
    • Orenco Systems, Inc.
    • Harold L. Ball
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Method of feeding wastewater effluent to filter bed through paralle...
    • Patent number 5,360,556
    • Issue date Nov 1, 1994
    • Orenco Systems, Inc.
    • Harold L. Ball
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Method of discharging septic tank filtered effluent
    • Patent number 4,439,323
    • Issue date Mar 27, 1984
    • Orenco Systems, Inc.
    • Harold L. Ball
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents