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Direct smelting process and apparatus
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Patent number 10,151,014
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Issue date Dec 11, 2018
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Tata Steel Limited
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Jacques Pilote
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Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
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Rotating melter
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Patent number 4,522,587
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Issue date Jun 11, 1985
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Hy-Way Heat Systems, Inc.
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John H. Miller
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F27 - FURNACES KILNS OVENS RETORTS
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Rotary calciner
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Patent number 4,053,365
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Issue date Oct 11, 1977
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Great Lakes Carbon Corporation
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Franklin H. Welter
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F27 - FURNACES KILNS OVENS RETORTS
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3888621
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Patent number 3,888,621
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Issue date Jun 10, 1975
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F27 - FURNACES KILNS OVENS RETORTS
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3554682
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Patent number 3,554,682
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Issue date Jan 12, 1971
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F27 - FURNACES KILNS OVENS RETORTS
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2983022
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Patent number 2,983,022
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Issue date May 9, 1961
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F27 - FURNACES KILNS OVENS RETORTS