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Heat exchange system and method
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Patent number 11,662,147
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Issue date May 30, 2023
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Advanced Steam Technology Company LLC
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Walter T. Deacon
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F28 - HEAT EXCHANGE IN GENERAL
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Vacuum steam heating system
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Patent number 11,131,465
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Issue date Sep 28, 2021
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“Energy of Vacuum” Limited Liability Company
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Anton Viktorovich Khan
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F24 - HEATING RANGES VENTILATING
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Heat exchange system and method
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Patent number 11,092,382
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Issue date Aug 17, 2021
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Advanced Steam Technology Company, LLC
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Walter T. Deacon
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F28 - HEAT EXCHANGE IN GENERAL
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3927831
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Patent number 3,927,831
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Issue date Dec 23, 1975
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F24 - HEATING RANGES VENTILATING
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3140824
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Patent number 3,140,824
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Issue date Jul 14, 1964
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F24 - HEATING RANGES VENTILATING
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2490266
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Patent number 2,490,266
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Issue date Dec 6, 1949
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F24 - HEATING RANGES VENTILATING
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2484086
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Patent number 2,484,086
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Issue date Oct 11, 1949
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F24 - HEATING RANGES VENTILATING
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2220754
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Patent number 2,220,754
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Issue date Nov 5, 1940
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F24 - HEATING RANGES VENTILATING
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2094724
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Patent number 2,094,724
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Issue date Oct 5, 1937
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F24 - HEATING RANGES VENTILATING
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1968486
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Patent number 1,968,486
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Issue date Jul 31, 1934
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F24 - HEATING RANGES VENTILATING
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1968171
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Patent number 1,968,171
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Issue date Jul 31, 1934
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F24 - HEATING RANGES VENTILATING
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1699193
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Patent number 1,699,193
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Issue date Jan 15, 1929
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F24 - HEATING RANGES VENTILATING
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1326944
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Patent number 1,326,944
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Issue date Jan 6, 1920
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F24 - HEATING RANGES VENTILATING