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Apparatus for aerating water
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Patent number 5,160,611
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Issue date Nov 3, 1992
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Lenox Institute for Research, Inc.
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Milos Krofta
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Method for stabilizing sludge
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Patent number 5,145,582
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Issue date Sep 8, 1992
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Lenox Institute for Research, Inc.
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Milos Krofta
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Water clarifying apparatus
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Patent number 5,078,861
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Issue date Jan 7, 1992
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Lenox Institute for Research, Inc.
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Milos Krofta
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Apparatus for stabilizing sludge
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Patent number 5,013,429
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Issue date May 7, 1991
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Lenox Institute for Research, Inc.
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Milos Krofta
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Water clarifying apparatus
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Patent number 4,931,175
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Issue date Jun 5, 1990
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Lenox Institute for Research, Inc.
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Milos Krofta
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Water treatment apparatus
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Patent number 4,673,494
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Issue date Jun 16, 1987
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Lenox Institute for Research, Inc.
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Milos Krofta
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Apparatus for clarification of water
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Patent number 4,626,345
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Issue date Dec 2, 1986
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Lenox Institute for Research, Inc.
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Milos Krofta
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Apparatus for clarifying waste water
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Patent number 4,184,967
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Issue date Jan 22, 1980
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Lenox Institute for Research, Inc.
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Milos Krofta
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Stockwasher
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Patent number 4,151,093
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Issue date Apr 24, 1979
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Lenox Institute for Research
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Milos Krofta
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE