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Air purifiers
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Patent number 11,648,329
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Issue date May 16, 2023
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RHT Limited
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Chi Keung Rudy Chan
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Scent masking device
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Patent number 11,589,571
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Issue date Feb 28, 2023
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Evan Marlow
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Air purifier
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Patent number 11,480,342
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Issue date Oct 25, 2022
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Zuotian Kang
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C01 - INORGANIC CHEMISTRY
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Automatic spray dispenser
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Patent number 11,434,065
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Issue date Sep 6, 2022
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Robert C. Danville
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Ozone generation system
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Patent number 11,377,351
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Issue date Jul 5, 2022
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Evoqua Water Technologies LLC
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Philip Tinsley Dempster
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Gas processing device
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Patent number 11,325,095
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Issue date May 10, 2022
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Ushio Denki Kabushiki Kaisha
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Kenichi Sabatake
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Air sterilizer
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Patent number 11,191,862
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Issue date Dec 7, 2021
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WELLIS CO. LTD.
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Noh-Bin Yim
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Medical air treatment device
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Patent number 11,185,457
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Issue date Nov 30, 2021
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Aerobiotix, Inc.
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David Louis Kirschman
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F24 - HEATING RANGES VENTILATING
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