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Screening machine
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Patent number 8,640,880
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Issue date Feb 4, 2014
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TERRA SELECT GmbH & Co. KG
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Andreas Farwick
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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Starscreen
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Patent number 6,250,477
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Issue date Jun 26, 2001
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Machinefabriek Lubo B.V.
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Gererdus Cornelis Petrus Maria Swanink
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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Coal sizing grid
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Patent number 5,133,852
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Issue date Jul 28, 1992
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Rickey E. Wark
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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Rotatable wood chip classifier
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Patent number 4,935,124
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Issue date Jun 19, 1990
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International Paper Company
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William D. Daugherty
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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Municipal waste processing apparatus
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Patent number 4,867,866
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Issue date Sep 19, 1989
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The United States of America as represented by the United States Department o...
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John L. Mayberry
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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Rotating disc screen
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Patent number 4,857,180
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Issue date Aug 15, 1989
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Beloit Corporation
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Arne Eriksson
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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Municipal waste processing apparatus
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Patent number 4,778,116
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Issue date Oct 18, 1988
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The United States of America as represented by the United States Department o...
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John L. Mayberry
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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Sizing screens
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Patent number 4,308,135
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Issue date Dec 29, 1981
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Coal Industry (Patents) Limited
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Michael P. Armstrong
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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Method of mixing mortar
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Patent number 4,195,933
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Issue date Apr 1, 1980
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Gerold W. Brailsford
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B28 - WORKING CEMENT, CLAY, OR STONE
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Nestable sifter
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Patent number 4,136,022
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Issue date Jan 23, 1979
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Hutzler Manufacturing Company, Inc.
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Lawrence R. Hutzler
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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Mixer apparatus
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Patent number 4,104,737
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Issue date Aug 1, 1978
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Gerold Wayne Brailsford
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B28 - WORKING CEMENT, CLAY, OR STONE
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3863765
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Patent number 3,863,765
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Issue date Feb 4, 1975
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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2166438
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Patent number 2,166,438
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Issue date Jul 18, 1939
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING