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Heat source device
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Patent number 11,118,811
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Issue date Sep 14, 2021
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Rinnai Corporation
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Takahiro Ono
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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 10,690,379
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Issue date Jun 23, 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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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 10,598,405
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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 10,480,870
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Issue date Nov 19, 2019
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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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-
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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
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-
-
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Water heater
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Patent number 10,066,852
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Issue date Sep 4, 2018
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Noritz Corporation
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Kazuhiro Nishimura
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Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
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-
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Water heater
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Patent number 8,161,918
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Issue date Apr 24, 2012
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AOS Holding Company
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Hongfei Ma
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F24 - HEATING RANGES VENTILATING