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Sludge dewatering system
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Patent number 10,322,958
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Issue date Jun 18, 2019
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Metawater Co., Ltd.
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Yoshiyuki Sugawara
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Belt press
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Patent number 10,252,482
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Issue date Apr 9, 2019
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ISHIGAKI Company Limited
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Katsunobu Mizobuchi
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Materials handling and treatment
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Patent number 9,381,454
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Issue date Jul 5, 2016
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Z-Filter (Pty) Ltd
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Neil Deryck Bray Graham
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Method for dewatering a porous wet web
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Patent number 5,445,746
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Issue date Aug 29, 1995
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Cer-Wat Corporation
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Charles A. Lee
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Electroosmotic dewaterer
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Patent number 5,192,413
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Issue date Mar 9, 1993
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Fuji Electric Co., Ltd.
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Mikimasa Yamaguchi
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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3692182
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Patent number 3,692,182
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Issue date Sep 19, 1972
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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3338412
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Patent number 3,338,412
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Issue date Aug 29, 1967
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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2846944
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Patent number 2,846,944
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Issue date Aug 12, 1958
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES