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Liquid evaporator
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Patent number 7,992,554
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Issue date Aug 9, 2011
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Dräger Medical GmbH
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Klaus Radomski
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Solar water still
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Patent number 7,008,515
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Issue date Mar 7, 2006
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Solar Solutions, LLC
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Frank D. Husson, Jr.
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Low-pressure desalinization device
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Patent number 5,198,076
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Issue date Mar 30, 1993
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Bowpec Incorporated
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Peter M. Borgren
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Process for distilling water
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Patent number 4,421,606
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Issue date Dec 20, 1983
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Oriental Metal Mfg. Co.
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Kenji Tsumura
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Solution-concentrating apparatus
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Patent number 4,283,250
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Issue date Aug 11, 1981
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Carl-Hugo Abrahamson
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Apparatus for evaporating liquids
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Patent number 3,977,364
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Issue date Aug 31, 1976
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U.S. Philips Corporation
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Josephus Cornelis Wilhelmus Franciscus Gijsbers
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F28 - HEAT EXCHANGE IN GENERAL
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Process for concentrating brine
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Patent number 3,964,960
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Issue date Jun 22, 1976
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W. R. Grace & Co.
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Nelson S. Marans
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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3875926
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Patent number 3,875,926
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Issue date Apr 8, 1975
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F24 - HEATING RANGES VENTILATING
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3702762
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Patent number 3,702,762
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Issue date Nov 14, 1972
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C21 - METALLURGY OF IRON
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3390056
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Patent number 3,390,056
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Issue date Jun 25, 1968
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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3389079
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Patent number 3,389,079
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Issue date Jun 18, 1968
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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3309021
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Patent number 3,309,021
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Issue date Mar 14, 1967
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F24 - HEATING RANGES VENTILATING
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3275074
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Patent number 3,275,074
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Issue date Sep 27, 1966
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F28 - HEAT EXCHANGE IN GENERAL
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3266630
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Patent number 3,266,630
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Issue date Aug 16, 1966
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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3257291
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Patent number 3,257,291
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Issue date Jun 21, 1966
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE