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Coke filter
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Patent number 5,203,892
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Issue date Apr 20, 1993
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Krupp Polysius AG
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Ludger Brentrup
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Suspension preheater
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Patent number 4,901,448
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Issue date Feb 20, 1990
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Krupp Polysius AG
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Wolfgang Rother
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F27 - FURNACES KILNS OVENS RETORTS
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Cooling apparatus
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Patent number 4,762,489
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Issue date Aug 9, 1988
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Krupp Polysius AG
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Heinz-Herbert Schmits
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F28 - HEAT EXCHANGE IN GENERAL
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Apparatus for cooling hot material
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Patent number 4,732,561
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Issue date Mar 22, 1988
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Krupp Polysius AG
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Karl Eiring
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Driving apparatus
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Patent number 4,681,021
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Issue date Jul 21, 1987
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Krupp Polysius AG
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Otto Heinemann
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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Push grid
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Patent number 4,350,244
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Issue date Sep 21, 1982
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Krupp Polysius AG
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Otto Heinemann
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F27 - FURNACES KILNS OVENS RETORTS
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Cyclone separator
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Patent number 4,344,783
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Issue date Aug 17, 1982
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Krupp Polysius AG
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Otto Heinemann
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F28 - HEAT EXCHANGE IN GENERAL
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