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Filter media and elements
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Patent number 12,023,613
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Issue date Jul 2, 2024
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Donaldson Company, Inc.
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Qiong Gao
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Filter media and elements
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Patent number 11,253,802
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Issue date Feb 22, 2022
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Donaldson Company, Inc.
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Qiong Gao
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Filter media and elements
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Patent number 10,357,730
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Issue date Jul 23, 2019
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Donaldson Company, Inc.
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Qiong Gao
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Filter media and elements
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Patent number 9,474,994
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Issue date Oct 25, 2016
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Donaldson Company, Inc.
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Qiong Gao
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL