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Water intake rotary screen
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Patent number 7,326,336
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Issue date Feb 5, 2008
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E. Beaudrey et Cie
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Philip Jackson
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Self-cleaning filter
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Patent number 4,806,242
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Issue date Feb 21, 1989
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E. Beaudrey & Cie
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Philip Jackson
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Trash rake with recovery gutter
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Patent number 4,447,323
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Issue date May 8, 1984
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E. Beaudrey & Cie
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Philip Jackson
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Filter having a fixed strainer
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Patent number 4,366,056
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Issue date Dec 28, 1982
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E. Beaudrey & Cie
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Philip Jackson
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Water intake
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Patent number 4,343,698
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Issue date Aug 10, 1982
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E. Beaudrey & Cie, Societe Anonyme
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Philip Jackson
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Water filter having spiral casing
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Patent number 4,276,171
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Issue date Jun 30, 1981
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E. Beaudrey & Cie
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Philip Jackson
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Screens for water intakes
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Patent number 4,192,749
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Issue date Mar 11, 1980
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E. Beaudry & Cie, Societe Anonyme
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Philip Jackson
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL