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Premixed low-nitrogen gas boiler
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Patent number 11,859,867
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Issue date Jan 2, 2024
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Xi'an Jiaotong University
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Yanqing Niu
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Integrated anode for a heat exchanger
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Patent number 11,499,748
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Issue date Nov 15, 2022
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Rheem Manufacturing Company
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Robert Stuart Glass
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Round plate heat exchanger
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Patent number 11,454,453
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Issue date Sep 27, 2022
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Kyungdong Navien Co., Ltd.
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Young Mo Kim
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F28 - HEAT EXCHANGE IN GENERAL
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Heat exchanger for heating water
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Patent number 11,175,070
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Issue date Nov 16, 2021
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Laars Heating Systems Company
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Christopher J. Jacques
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F28 - HEAT EXCHANGE IN GENERAL
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Heat exchanger
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Patent number 11,054,188
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Issue date Jul 6, 2021
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Kyungdong Navien Co., Ltd.
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Inchul Jeong
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F28 - HEAT EXCHANGE IN GENERAL
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Tubular heat exchanger
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Patent number 10,935,278
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Issue date Mar 2, 2021
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Kyungdong Navien Co., Ltd.
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Jun Kyu Park
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F28 - HEAT EXCHANGE IN GENERAL
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Hot water tank
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Patent number 10,921,025
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Issue date Feb 16, 2021
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NATIONAL MACHINE GROUP
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Ronald Shaffer
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F22 - STEAM GENERATION
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Heat exchanger
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Patent number 10,907,859
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Issue date Feb 2, 2021
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Kyungdong Navien Co., Ltd.
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Inchul Jeong
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Heat exchanger
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Patent number 10,876,762
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Issue date Dec 29, 2020
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Kyungdong Navien Co., Ltd.
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Inchul Jeong
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F28 - HEAT EXCHANGE IN GENERAL
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Heat exchanger
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Patent number 10,816,239
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Issue date Oct 27, 2020
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Kyungdong Navien Co., Ltd.
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Inchul Jeong
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F28 - HEAT EXCHANGE IN GENERAL
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Condensing boiler
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Patent number 10,760,820
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Issue date Sep 1, 2020
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BKBD Limited
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Brendan Kemp
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F28 - HEAT EXCHANGE IN GENERAL
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Heat exchanger
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Patent number 10,746,436
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Issue date Aug 18, 2020
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KYUNGDONG NAVIEN CO., LTD.
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Inchul Jeong
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F28 - HEAT EXCHANGE IN GENERAL
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Heat exchanger
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Patent number 10,641,522
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Issue date May 5, 2020
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Kyungdong Navien Co., Ltd.
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Inchul Jeong
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F28 - HEAT EXCHANGE IN GENERAL
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Combustion apparatus
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Patent number 10,612,776
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Issue date Apr 7, 2020
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Rinnai Corporation
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Takahiro Ono
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F24 - HEATING RANGES VENTILATING
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Heat exchanger
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Patent number 10,598,406
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Issue date Mar 24, 2020
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Kyungdong Navien Co., Ltd.
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Inchul Jeong
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F28 - HEAT EXCHANGE IN GENERAL
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Heat exchanger
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Patent number 10,481,012
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Issue date Nov 19, 2019
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Rinnai Corporation
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Toshimitsu Nagasaka
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F28 - HEAT EXCHANGE IN GENERAL
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Exhaust duct
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Patent number 10,309,649
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Issue date Jun 4, 2019
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Rinnai Corporation
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Takahiro Ono
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F24 - HEATING RANGES VENTILATING
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Hot water apparatus
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Patent number 10,295,222
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Issue date May 21, 2019
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Noritz Corporation
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Wataru Ooshita
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F28 - HEAT EXCHANGE IN GENERAL