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Hollow fibre restraining system
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Patent number 7,223,340
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Issue date May 29, 2007
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U.S. Filter Wastewater Group, Inc.
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Fufang Zha
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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High solids module
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Patent number 7,018,533
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Issue date Mar 28, 2006
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U.S. Filter Wastewater Group, Inc.
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Warren Thomas Johnson
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Potting method
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Patent number 6,974,554
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Issue date Dec 13, 2005
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U.S. Filter Wastewater Group, Inc.
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David John Cox
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Scouring method
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Patent number 6,969,465
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Issue date Nov 29, 2005
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U.S. Filter Wastewater Group, Inc.
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Fufang Zha
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Hollow fiber restraining system
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Patent number 6,962,258
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Issue date Nov 8, 2005
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U.S. Filter Wastewater Group, Inc.
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Fufang Zha
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Method of cleaning membranes
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Patent number 6,955,762
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Issue date Oct 18, 2005
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U.S. Filter Wastewater Group, Inc.
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Paul Martin Gallagher
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Modified membranes
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Patent number 6,884,350
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Issue date Apr 26, 2005
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U.S. Filter Wastewater Group, Inc.
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Heinz-Joachim Muller
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Membrane filtration system
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Patent number 6,872,305
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Issue date Mar 29, 2005
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U.S. Filter Wastewater Group, Inc.
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Warren Thomas Johnson
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Hollow fibre restraining system
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Patent number 6,783,008
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Issue date Aug 31, 2004
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U.S. Filter Wastewater Group, Inc.
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Fufang Zha
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Continuously Variable Aeration
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Publication number 20080156745
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Publication date Jul 3, 2008
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U.S. Filter Wastewater Group, Inc.
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Fufang Zha
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Wastewater treatment system and method
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Publication number 20070170112
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Publication date Jul 26, 2007
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USFilter Wastewater Group, Inc.
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Robert A. Elefritz
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Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
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Module cleaning method
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Publication number 20070075021
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Publication date Apr 5, 2007
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U.S. Filter Wastewater Group, Inc.
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Warren Thomas Johnson
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Backwash and cleaning method
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Publication number 20070034569
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Publication date Feb 15, 2007
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U.S. Filter Wastewater Group, Inc.
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Warren Thomas Johnson
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Scouring method
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Publication number 20060131234
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Publication date Jun 22, 2006
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U.S. Filter Wastewater Group, Inc.
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Fufang Zha
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Potting method
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Publication number 20060110486
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Publication date May 25, 2006
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U.S. Filter Wastewater Group, Inc.
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David John Cox
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Scouring method
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Publication number 20060000775
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Publication date Jan 5, 2006
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U.S. Filter Wastewater Group, Inc.
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Fufang Zha
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Method of cleaning membranes
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Publication number 20050224411
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Publication date Oct 13, 2005
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U.S. Filter Wastewater Group, Inc.
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Paul Martin Gallagher
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Potting method
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Publication number 20050087898
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Publication date Apr 28, 2005
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U.S. Filter Wastewater Group, Inc.
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David John Cox
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Scouring method
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Publication number 20040084369
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Publication date May 6, 2004
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U.S. Filter Wastewater Group, Inc.
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Fufang Zha
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Membrane filtration system
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Publication number 20030234221
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Publication date Dec 25, 2003
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U.S. Filter Wastewater Group, Inc.
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Warren Thomas Johnson
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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78694119 - SOLOCHEM
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Serial number 78694119
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Filing date Aug 17, 2005
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ALTIVIA Corporation
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7 - Machines and machine tools