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Heat transfer device
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Patent number 10,837,711
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Issue date Nov 17, 2020
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WILLIAMS ADVANCED ENGINEERING LIMITED
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Douglas Campbell
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F28 - HEAT EXCHANGE IN GENERAL
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Warm water heater
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Patent number 4,160,475
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Issue date Jul 10, 1979
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Thomas Wilbs
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F28 - HEAT EXCHANGE IN GENERAL
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3140325
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Patent number 3,140,325
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Issue date Jul 7, 1964
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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2479413
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Patent number 2,479,413
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Issue date Aug 16, 1949
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F28 - HEAT EXCHANGE IN GENERAL
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2329935
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Patent number 2,329,935
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Issue date Sep 21, 1943
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F28 - HEAT EXCHANGE IN GENERAL
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1954556
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Patent number 1,954,556
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Issue date Apr 10, 1934
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F28 - HEAT EXCHANGE IN GENERAL
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1937774
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Patent number 1,937,774
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Issue date Dec 5, 1933
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F28 - HEAT EXCHANGE IN GENERAL
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1795774
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Patent number 1,795,774
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Issue date Mar 10, 1931
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F28 - HEAT EXCHANGE IN GENERAL
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1737558
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Patent number 1,737,558
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Issue date Dec 3, 1929
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F28 - HEAT EXCHANGE IN GENERAL
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1737557
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Patent number 1,737,557
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Issue date Dec 3, 1929
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F28 - HEAT EXCHANGE IN GENERAL
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1737633
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Patent number 1,737,633
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Issue date Dec 3, 1929
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F28 - HEAT EXCHANGE IN GENERAL
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1730467
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Patent number 1,730,467
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Issue date Oct 8, 1929
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F28 - HEAT EXCHANGE IN GENERAL
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1671347
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Patent number 1,671,347
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Issue date May 29, 1928
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F28 - HEAT EXCHANGE IN GENERAL
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1640874
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Patent number 1,640,874
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Issue date Aug 30, 1927
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F28 - HEAT EXCHANGE IN GENERAL
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1526545
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Patent number 1,526,545
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Issue date Feb 17, 1925
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F28 - HEAT EXCHANGE IN GENERAL
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1436021
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Patent number 1,436,021
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Issue date Nov 21, 1922
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F28 - HEAT EXCHANGE IN GENERAL
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1368013
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Patent number 1,368,013
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Issue date Feb 8, 1921
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F28 - HEAT EXCHANGE IN GENERAL
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1340289
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Patent number 1,340,289
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Issue date May 18, 1920
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F28 - HEAT EXCHANGE IN GENERAL