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Multiple barrier filter apparatus
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Patent number 7,182,858
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Issue date Feb 27, 2007
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Kinetico Incorporated
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Keith E. Brown
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Pipes for conveying drinking water
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Patent number 6,511,724
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Issue date Jan 28, 2003
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Atofina
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Daniel Siour
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Pipes for conveying drinking water
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Patent number 6,413,602
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Issue date Jul 2, 2002
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Atofina
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Daniel Siour
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Fluid control system
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Patent number 5,810,044
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Issue date Sep 22, 1998
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Namat L. Saidi
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E03 - WATER SUPPLY SEWERAGE
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Shutoff device
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Patent number 4,273,156
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Issue date Jun 16, 1981
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Alexandr A. Borodin
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F27 - FURNACES KILNS OVENS RETORTS
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Safety stop for pressurized pipeline
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Patent number 3,942,560
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Issue date Mar 9, 1976
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Exxon Research & Engineering Co.
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Royce D. Deaver
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3857401
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Patent number 3,857,401
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3856186
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Patent number 3,856,186
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Issue date Dec 24, 1974
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B60 - VEHICLES IN GENERAL
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3853143
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Patent number 3,853,143
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Issue date Dec 10, 1974
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F24 - HEATING RANGES VENTILATING