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Cement agglomeration
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Patent number 5,454,867
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Issue date Oct 3, 1995
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Halliburton Company
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Lance E. Brothers
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Mixing apparatus
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Patent number 5,046,855
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Issue date Sep 10, 1991
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Halliburton Company
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Thomas E. Allen
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E21 - EARTH DRILLING MINING
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Dry sand foam generator
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Patent number 4,830,794
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Issue date May 16, 1989
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Halliburton Company
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Kevin D. Edgley
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E21 - EARTH DRILLING MINING
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Dry sand foam generator
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Patent number 4,780,243
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Issue date Oct 25, 1988
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Halliburton Company
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Kevin D. Edgley
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E21 - EARTH DRILLING MINING