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Method for separation of construction waste
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Patent number 7,934,599
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Issue date May 3, 2011
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Seo Bong Recycling Co., Ltd.
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Heon-Chan Kang
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B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
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Sorting waste materials
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Patent number 6,446,813
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Issue date Sep 10, 2002
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Roger White
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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Hydrocyclone conduits
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Patent number 5,221,476
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Issue date Jun 22, 1993
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Bird Escher Wyss Inc.
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Richard R. Papetti
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Sectional screen cylinder
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Patent number 4,986,900
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Issue date Jan 22, 1991
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A. Ahlstrom Corporation
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Chauncey Mason
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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Separator disc
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Patent number 4,978,443
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Issue date Dec 18, 1990
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Carter-Day Company
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Stephen L. Cashman
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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Disc screen separator device
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Patent number 4,871,073
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Issue date Oct 3, 1989
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National Ecology, Inc.
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John R. Berry
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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Elastomer sieve screen
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Patent number 4,832,834
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Issue date May 23, 1989
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Howard R. Baird
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Disc module spacer improvement
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Patent number 4,741,444
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Issue date May 3, 1988
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Beloit Corporation
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Joseph B. Bielagus
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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Classifying device
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Patent number 4,664,789
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Issue date May 12, 1987
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Minpro Pty. Limited
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Jeremy J. Lees
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B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
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Screen bottom system
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Patent number 4,383,919
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Issue date May 17, 1983
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Hein, Lehmann AG
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Gerhard Schmidt
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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Material separating machine
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Patent number 4,361,240
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Issue date Nov 30, 1982
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Midwestern Industries, Inc.
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William F. Davis
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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Sizing apparatus
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Patent number 3,998,330
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Issue date Dec 21, 1976
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Arthur H. Morgan
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING