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Dissolved air flotation clarifier
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Patent number 8,518,266
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Issue date Aug 27, 2013
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RG Delaware, Inc.
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R. Lee Roberts
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B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
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Underdrain system
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Patent number 8,409,437
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Issue date Apr 2, 2013
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RG Delaware, Inc.
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R. Lee Roberts
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Underdrain system
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Patent number 8,052,871
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Issue date Nov 8, 2011
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RG Delaware, Inc.
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R. Lee Roberts
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Underdrain system
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Patent number 8,052,870
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Issue date Nov 8, 2011
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RG Delaware, Inc.
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R. Lee Roberts
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL