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Coal cleaning process
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Patent number 5,794,791
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Issue date Aug 18, 1998
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Genesis Research Corporation
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James Kelly Kindig
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C01 - INORGANIC CHEMISTRY
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Coal cleaning process
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Patent number 5,348,160
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Issue date Sep 20, 1994
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Genesis Research Corporation
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James K. Kindig
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C01 - INORGANIC CHEMISTRY
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Coal cleaning process
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Patent number 5,314,124
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Issue date May 24, 1994
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Genesis Research Corporation
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James K. Kindig
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C01 - INORGANIC CHEMISTRY
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Coal cleaning process
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Patent number 5,277,368
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Issue date Jan 11, 1994
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Genesis Research Corporation
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James K. Kindig
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C01 - INORGANIC CHEMISTRY
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Coal enhancement process and equipment
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Patent number 4,579,650
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Issue date Apr 1, 1986
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The Dow Chemical Company
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Robert J. Nankee
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B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
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Process for cleaning undeslimed coal
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Patent number 4,405,453
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Issue date Sep 20, 1983
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Envirotech Corporation
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Charles H. Wells
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B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
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Method for beneficiating coal ore
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Patent number 4,376,700
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Issue date Mar 15, 1983
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Bethlehem Steel Corporation
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Stanton D. Irons
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B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
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Dense medium separation
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Patent number 4,169,786
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Issue date Oct 2, 1979
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David W. Horsfall
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B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
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Dense medium separation
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Patent number 4,140,628
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Issue date Feb 20, 1979
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David W. Horsfall
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B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
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3737032
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Patent number 3,737,032
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Issue date Jun 5, 1973
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B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
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3638791
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Patent number 3,638,791
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Issue date Feb 1, 1972
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B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
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3583560
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Patent number 3,583,560
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Issue date Jun 8, 1971
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B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
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3420443
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Patent number 3,420,443
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Issue date Jan 7, 1969
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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3257081
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Patent number 3,257,081
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Issue date Jun 21, 1966
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B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
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3147212
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Patent number 3,147,212
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Issue date Sep 1, 1964
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B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
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3084796
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Patent number 3,084,796
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Issue date Apr 9, 1963
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B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
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3052355
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Patent number 3,052,355
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Issue date Sep 4, 1962
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B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
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3031074
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Patent number 3,031,074
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Issue date Apr 24, 1962
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B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...