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Cleaning of hollow fibre membranes
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Patent number 6,159,373
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Issue date Dec 12, 2000
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USF Filtration and Separations Group, Inc.
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Thomas William Beck
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Filtration monitoring and control system
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Patent number 6,077,435
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Issue date Jun 20, 2000
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USF Filtration and Separations Group Inc.
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Thomas William Beck
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Fiber monitoring system
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Patent number 5,918,264
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Issue date Jun 29, 1999
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USF Filtration and Separations Group Inc.
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Humphrey John Jardine Drummond
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Electrochemical cells
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Patent number 5,863,400
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Issue date Jan 26, 1999
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USF Filtration and Separations Group Inc.
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Humphrey John Jardine Drummond
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C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
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Biological reaction processes
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Patent number 5,620,891
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Issue date Apr 15, 1997
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Memtec Limited
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Humphrey Drummond
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE