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Filter device for fluids
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Patent number 11,484,819
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Issue date Nov 1, 2022
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Hydac Process Technology GmbH
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Ralf Wnuk
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Filter system
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Patent number 10,967,302
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Issue date Apr 6, 2021
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Perfect Water Technologies, Inc.
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Jon-Andrew Vincent Sigona
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Filter system
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Patent number 10,675,564
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Issue date Jun 9, 2020
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Jon-Andrew Vincent Sigona
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Filter element and filter device
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Patent number 10,675,563
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Issue date Jun 9, 2020
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Foshan Viomi Electrical Technology Co., Ltd.
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Xiaoping Chen
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Self-regenerating biofilter
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Patent number 10,494,272
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Issue date Dec 3, 2019
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UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE ARMY
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Martin Page
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Filtered drinking straw
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Patent number 10,307,005
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Issue date Jun 4, 2019
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LaMonteā² D. Pierce
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Waste water diffuser
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Patent number 9,765,508
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Issue date Sep 19, 2017
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Stan Greberis
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E03 - WATER SUPPLY SEWERAGE
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Composite filter apparatus
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Patent number 9,308,472
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Issue date Apr 12, 2016
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Ming-Yu Lai
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Air filter
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Patent number 8,828,112
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Issue date Sep 9, 2014
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HDT Expeditionary Systems, Inc.
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William B. Whittier
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Filter pad
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Patent number 4,986,913
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Issue date Jan 22, 1991
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Helmut Schafft
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Method of filtering
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Patent number 4,925,570
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Issue date May 15, 1990
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Helmut Schafft
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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