TREA

Harold J. Beard

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  • Baton Rouge, LA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Denitrification system
    • Patent number 5,556,538
    • Issue date Sep 17, 1996
    • Gary J. Beard
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Mixed liquor wasting system
    • Patent number 5,476,583
    • Issue date Dec 19, 1995
    • United Industries, Inc.
    • Harold J. Beard
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Mixed liquor wasting system
    • Patent number 5,360,538
    • Issue date Nov 1, 1994
    • Harold J. Beard
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Oxidation ditch wastewater treatment and denitrification system
    • Patent number 5,275,722
    • Issue date Jan 4, 1994
    • Harold J. Beard
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Oxidation ditch for treatment of waste water
    • Patent number 5,084,167
    • Issue date Jan 28, 1992
    • Harold J. Beard
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Flow adjusting vane for intra-channel clarifier
    • Patent number 4,950,406
    • Issue date Aug 21, 1990
    • United Industries, Inc.
    • Harold J. Beard
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Skimmer system
    • Patent number 4,839,050
    • Issue date Jun 13, 1989
    • Harold J. Beard
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Turbulence control system
    • Patent number 4,780,206
    • Issue date Oct 25, 1988
    • Harold J. Beard
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Filter for intra-channel clarification
    • Patent number 4,634,528
    • Issue date Jan 6, 1987
    • Harold J. Beard
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Side skimmer for use in a channel
    • Patent number 4,626,353
    • Issue date Dec 2, 1986
    • Harold J. Beard
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Continuous waste water clarification process
    • Patent number 4,457,844
    • Issue date Jul 3, 1984
    • Harold J. Beard
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Clarifier skimmer
    • Patent number 4,436,632
    • Issue date Mar 13, 1984
    • Harold J. Beard
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Variable venturi sewerage aerator
    • Patent number 4,389,312
    • Issue date Jun 21, 1983
    • Harold Beard
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Waste water clarifier
    • Patent number 4,383,922
    • Issue date May 17, 1983
    • Harold J. Beard
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Waste water clarifier
    • Patent number 4,362,625
    • Issue date Dec 7, 1982
    • Harold Beard
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Distillation and solvent extraction process for rerefining used lub...
    • Patent number 4,360,420
    • Issue date Nov 23, 1982
    • Delta Central Refining, Inc.
    • Laird C. Fletcher
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Method of rerefining used lubricating oil
    • Patent number 4,342,645
    • Issue date Aug 3, 1982
    • Delta Central Refining, Inc.
    • Laird C. Fletcher
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...