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Heating apparatus
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Patent number 9,732,600
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Issue date Aug 15, 2017
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Exponential Technologies, Inc.
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Soheil Farshchian
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E21 - EARTH DRILLING MINING
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Composite tube for heating gases
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Patent number 4,817,672
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Issue date Apr 4, 1989
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Jogema Holding B.V.
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Johannes J. Broodman
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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3918410
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Patent number 3,918,410
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Issue date Nov 11, 1975
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F22 - STEAM GENERATION
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3915124
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Patent number 3,915,124
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Issue date Oct 28, 1975
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F28 - HEAT EXCHANGE IN GENERAL
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3570458
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Patent number 3,570,458
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Issue date Mar 16, 1971
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F28 - HEAT EXCHANGE IN GENERAL
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2855903
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Patent number 2,855,903
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Issue date Oct 14, 1958
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F24 - HEATING RANGES VENTILATING
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2587530
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Patent number 2,587,530
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Issue date Feb 26, 1952
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F22 - STEAM GENERATION
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2574913
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Patent number 2,574,913
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Issue date Nov 13, 1951
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F22 - STEAM GENERATION
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2573551
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Patent number 2,573,551
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Issue date Oct 30, 1951
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F22 - STEAM GENERATION
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2569294
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Patent number 2,569,294
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Issue date Sep 25, 1951
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F22 - STEAM GENERATION
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2429916
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Patent number 2,429,916
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Issue date Oct 28, 1947
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F22 - STEAM GENERATION
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2379227
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Patent number 2,379,227
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Issue date Jun 26, 1945
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F22 - STEAM GENERATION
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2207162
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Patent number 2,207,162
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Issue date Jul 9, 1940
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F22 - STEAM GENERATION
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2196102
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Patent number 2,196,102
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F22 - STEAM GENERATION
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2030265
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Patent number 2,030,265
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Issue date Feb 11, 1936
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F22 - STEAM GENERATION
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2008918
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Patent number 2,008,918
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F22 - STEAM GENERATION
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1917533
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Patent number 1,917,533
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Issue date Jul 11, 1933
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F22 - STEAM GENERATION
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1917664
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Patent number 1,917,664
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Issue date Jul 11, 1933
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F22 - STEAM GENERATION
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1764873
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Patent number 1,764,873
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Issue date Jun 17, 1930
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F22 - STEAM GENERATION
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1714829
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Patent number 1,714,829
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Issue date May 28, 1929
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F22 - STEAM GENERATION
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1701199
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Patent number 1,701,199
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F22 - STEAM GENERATION
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1689966
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Patent number 1,689,966
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Issue date Oct 30, 1928
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F22 - STEAM GENERATION
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1677795
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Patent number 1,677,795
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Issue date Jul 17, 1928
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F22 - STEAM GENERATION
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1597363
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Patent number 1,597,363
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Issue date Aug 24, 1926
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F22 - STEAM GENERATION
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1597222
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Patent number 1,597,222
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Issue date Aug 24, 1926
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F22 - STEAM GENERATION
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1560182
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Patent number 1,560,182
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Issue date Nov 3, 1925
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F22 - STEAM GENERATION
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1545161
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Patent number 1,545,161
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Issue date Jul 7, 1925
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F22 - STEAM GENERATION