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Deaerating feedwater heater
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Patent number 3,938,588
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Issue date Feb 17, 1976
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Westinghouse Electric Corporation
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Roland L. Coit
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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1745857
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Patent number 1,745,857
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Issue date Feb 4, 1930
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F28 - HEAT EXCHANGE IN GENERAL
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1662155
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Patent number 1,662,155
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Issue date Mar 13, 1928
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F28 - HEAT EXCHANGE IN GENERAL
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1556117
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Patent number 1,556,117
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Issue date Oct 6, 1925
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F28 - HEAT EXCHANGE IN GENERAL
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1543677
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Patent number 1,543,677
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Issue date Jun 30, 1925
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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1145334
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Patent number 1,145,334
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Issue date Jul 6, 1915
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F28 - HEAT EXCHANGE IN GENERAL
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1089942
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Patent number 1,089,942
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Issue date Mar 10, 1914
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F28 - HEAT EXCHANGE IN GENERAL