-
Underdrain apparatus
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Patent number 8,343,343
-
Issue date Jan 1, 2013
-
Severn Trent Water Purification, Inc.
-
Navin Kadakia
-
E03 - WATER SUPPLY SEWERAGE
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-
-
Sterilizer
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Patent number 7,794,673
-
Issue date Sep 14, 2010
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Severn Trent Water Purification, Inc.
-
James Lucas
-
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Water disinfection apparatus
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Patent number 7,615,160
-
Issue date Nov 10, 2009
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Severn Trent Water Purification, Inc.
-
Duncan Alexander Collins
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
-
-
Snap locking underdrain block
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Patent number 7,141,164
-
Issue date Nov 28, 2006
-
Severn Trent Water Purification, Inc.
-
David C. Slack
-
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
-
Reservoir management system
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Patent number 6,818,124
-
Issue date Nov 16, 2004
-
Severn Trent Water Purification, Inc.
-
Brent Simmons
-
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
-
-
-
-
Mainstream Wastewater Treatment
-
Publication number 20130020257
-
Publication date Jan 24, 2013
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SEVERN TRENT WATER PURIFICATION, INC.
-
Donald McCarty
-
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
-
-
Underdrain Apparatus
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Publication number 20100314305
-
Publication date Dec 16, 2010
-
SEVERN TRENT WATER PURIFICATION, INC.
-
Navin Kadakia
-
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
-
Ballast Tank Circulation Management System
-
Publication number 20090139935
-
Publication date Jun 4, 2009
-
SEVERN TRENT WATER PURIFICATION, INC.
-
Rudolf Matousek
-
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
-
-
Reservoir management system
-
Publication number 20070187336
-
Publication date Aug 16, 2007
-
Severn Trent Water Purification, In
-
Jullan Routh
-
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
-
Process for producing hypochlorite
-
Publication number 20070007146
-
Publication date Jan 11, 2007
-
Severn Trent Water Purification, Inc.
-
Harold E. Childers
-
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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-
85025144 - TETRAPHIX
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Serial number 85025144
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Registration number 3946131
-
Filing date Apr 28, 2010
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Severn Trent Water Purification, Inc.
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11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
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85001110 - ANCHOR-RITE
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Serial number 85001110
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Registration number 4068022
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Filing date Mar 29, 2010
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Severn Trent Water Purification, Inc.
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11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
-
85001103 - SHORTCUT NRT
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Serial number 85001103
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Registration number 4064088
-
Filing date Mar 29, 2010
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Severn Trent Water Purification, Inc.
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40 - Treatment of materials
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77621899 - ULTRADYNAMICS
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Serial number 77621899
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Registration number 3663099
-
Filing date Nov 25, 2008
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Severn Trent Water Purification
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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77518693 - MICRODPD
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Serial number 77518693
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Registration number 3709833
-
Filing date Jul 10, 2008
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Severn Trent Water Purification, Inc.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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76680064 - MICROSCATTER
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Serial number 76680064
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Registration number 3407775
-
Filing date Jul 30, 2007
-
Severn Trent Water Purification, Inc.
-
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
-
76678258 - MICRODYNAMICS
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Serial number 76678258
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Registration number 3580946
-
Filing date Jun 14, 2007
-
Severn Trent Water Purification, Inc.
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11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
-
77184573 - SNAP T
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Serial number 77184573
-
Registration number 3565354
-
Filing date May 18, 2007
-
Severn Trent Water Purification, Inc.
-
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
-
78853223 - CLORTEC
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Serial number 78853223
-
Registration number 3208399
-
Filing date Apr 4, 2006
-
Severn Trent Water Purification, Inc.
-
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
-
76623699 - ECLOX
-
Serial number 76623699
-
Registration number 3022787
-
Filing date Dec 8, 2004
-
Severn Trent Water Purification, Inc.
-
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
-
76612000 - CLORTAB
-
Serial number 76612000
-
Registration number 3025853
-
Filing date Sep 20, 2004
-
Severn Trent Water Purification, Inc.
-
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
-
76552481 - SEMBLEX
-
Serial number 76552481
-
Registration number 2915778
-
Filing date Oct 20, 2003
-
Severn Trent Water Purification, Inc.
-
7 - Machines and machine tools
-
76550805 - CHLOR TAB
-
Serial number 76550805
-
Filing date Oct 10, 2003
-
Severn Trent Water Purification, Inc.
-
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
-
76550345 - MICROCHEM
-
Serial number 76550345
-
Registration number 2937353
-
Filing date Sep 22, 2003
-
Severn Trent Water Purification, Inc.
-
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes