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Air purifier
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Patent number 10,441,916
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Issue date Oct 15, 2019
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GUANGZHOU MERCI FOREST ENVIRONMENT SCIENCE AND TECHNOLOGY CO., LTD.
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Zhuoquan Chen
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Biofilters for living spaces
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Patent number 9,534,800
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Issue date Jan 3, 2017
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EMPIRE TECHNOLOGY DEVELOPMENT LLC
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Ezekiel Kruglick
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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In-room hydroponic air cleansing unit
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Patent number 9,445,557
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Issue date Sep 20, 2016
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Nedlaw Living Walls Inc.
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Alan Blake Darlington
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Building
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Patent number 9,127,468
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Issue date Sep 8, 2015
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Ko Muroi
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E04 - BUILDING
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Biological air filter
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Patent number 8,707,619
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Issue date Apr 29, 2014
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Labstore, S.A.S.
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David A. Edwards
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Vacuum cleaner filter bag
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Patent number 8,066,803
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Issue date Nov 29, 2011
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Eurofilters Holding N.V.
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Ralf Sauer
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Plant stand
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Patent number 6,230,437
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Issue date May 15, 2001
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John D. Wolverton
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F24 - HEATING RANGES VENTILATING
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Biological air filter
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Patent number 5,407,470
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Issue date Apr 18, 1995
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Interhydro AG
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Eduard Jutzi
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F24 - HEATING RANGES VENTILATING
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Bio regenerating air filter
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Patent number 5,397,382
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Issue date Mar 14, 1995
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Alliance Research and Manufacturing Corporation
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Wayne R. Anderson
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F24 - HEATING RANGES VENTILATING
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Room air purifier
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Patent number 5,277,877
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Issue date Jan 11, 1994
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Space Biospheres Ventures
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Robert E. Jeffrey
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Air purification planter
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Patent number 5,201,860
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Issue date Apr 13, 1993
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Dean C. Richardson
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F24 - HEATING RANGES VENTILATING
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Room air purification
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Patent number 5,180,552
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Issue date Jan 19, 1993
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Affiliated Innovation Management, Inc.
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Don F. Saceman
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F24 - HEATING RANGES VENTILATING