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Gas-liquid dissolving apparatus
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Patent number 11,020,715
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Issue date Jun 1, 2021
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TRUSVAL TECHNOLOGY CO., LTD.
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Shih-Pao Chien
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Multi-disc air diffuser
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Patent number 8,833,743
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Issue date Sep 16, 2014
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ANT21 Co., Ltd
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Myung-Han Ko
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Ozone treating apparatus
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Patent number 6,955,758
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Issue date Oct 18, 2005
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Sekisui Chemical Co., Ltd.
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Kazutoshi Yamazaki
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Aerator
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Patent number 5,133,906
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Issue date Jul 28, 1992
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Tony Louis
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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3352548
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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1969644
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Issue date Aug 7, 1934
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE