Heat exchangers for sanitary water directly heated by the burner

Patents Grantslast 30 patents

  • Information Patent Grant

    Heating and hot water supply device

    • Patent number 11,255,550
    • Issue date Feb 22, 2022
    • Noritz Corporation
    • Hiroshi Morimoto
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Water heater

    • Patent number 10,619,889
    • Issue date Apr 14, 2020
    • Paloma Co., Ltd.
    • Makoto Takeuchi
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Hot water-centered combined hot water and heating boiler

    • Patent number 9,945,566
    • Issue date Apr 17, 2018
    • Kyungdong Navien Co., Ltd.
    • Jun Kyu Park
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Equipment for producing domestic hot water

    • Patent number 9,134,037
    • Issue date Sep 15, 2015
    • Giannoni France
    • Joseph Le Mer
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Hot-water supply system

    • Patent number 9,010,280
    • Issue date Apr 21, 2015
    • Rinnai Corporation
    • Ikuro Adachi
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Hot-water supply system

    • Patent number 8,985,063
    • Issue date Mar 24, 2015
    • Rinnai Corporation
    • Ikuro Adachi
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Water heater

    • Patent number 8,267,051
    • Issue date Sep 18, 2012
    • Rinnai Corporation
    • Masakazu Ando
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Single can-type composite heat source machine

    • Patent number 8,015,950
    • Issue date Sep 13, 2011
    • Rinnai Corporation
    • Hideo Okamoto
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Freeze forecasting device for hot water heating apparatus and hot w...

    • Patent number 7,532,982
    • Issue date May 12, 2009
    • Rinnai Corporation
    • Tomoo Inoue
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Heat exchanger and water heater

    • Patent number 7,523,721
    • Issue date Apr 28, 2009
    • Noritz Corporation
    • Tetsurou Hamada
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Heat exchanger and water heater

    • Patent number 7,428,883
    • Issue date Sep 30, 2008
    • Noritz Corporation
    • Tetsurou Hamada
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Stacket-up type heat exchanger for a gas boiler

    • Patent number 5,613,553
    • Issue date Mar 25, 1997
    • Daewoo Electronics Co., Ltd.
    • Woong-Sub Hong
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Double pipes for mixed boilers, to the methods of manufacturing suc...

    • Patent number 4,996,950
    • Issue date Mar 5, 1991
    • Chaffoteaux et Maury
    • Joseph Le Mer
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    2736498

    • Patent number 2,736,498
    • Issue date Feb 28, 1956
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    2097387

    • Patent number 2,097,387
    • Issue date Oct 26, 1937
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    1958738

    • Patent number 1,958,738
    • Issue date May 15, 1934
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    1921735

    • Patent number 1,921,735
    • Issue date Aug 8, 1933
    • F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

  • Information Patent Application

    WATER HEATING DEVICE

    • Publication number 20230314010
    • Publication date Oct 5, 2023
    • RINNAI CORPORATION
    • Tomohiro Uchida
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    HEATING AND HOT WATER SUPPLY DEVICE

    • Publication number 20210080120
    • Publication date Mar 18, 2021
    • Noritz Corporation
    • Hiroshi MORIMOTO
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    HYDRO-FURNACES AND RELATED METHODS FOR VEHICLES

    • Publication number 20190212033
    • Publication date Jul 11, 2019
    • Girard Products, LLC
    • Francesco CONSADORI
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    LATENT HEAT EXCHANGER AND WATER HEATER

    • Publication number 20130264037
    • Publication date Oct 10, 2013
    • RINNAI CORPORATION
    • Shinya Otsubo
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    HOT-WATER SUPPLY SYSTEM

    • Publication number 20110315091
    • Publication date Dec 29, 2011
    • RINNAI CORPORATION
    • Ikuro Adachi
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    HOT-WATER SUPPLY SYSTEM

    • Publication number 20110303165
    • Publication date Dec 15, 2011
    • RINNAI CORPORATION
    • Ikuro Adachi
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    EQUIPMENT FOR PRODUCING DOMESTIC HOT WATER

    • Publication number 20110132279
    • Publication date Jun 9, 2011
    • Joseph Le Mer
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    Single Can-Type Composite Heat Source Machine

    • Publication number 20100229804
    • Publication date Sep 16, 2010
    • Hideo Okamoto
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    WATER HEATER

    • Publication number 20090151654
    • Publication date Jun 18, 2009
    • RINNAI CORPORATION
    • Masakazu Ando
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    FREEZE FORECASTING DEVICE FOR HOT WATER HEATING APPARATUS AND HOT W...

    • Publication number 20080033651
    • Publication date Feb 7, 2008
    • RINNAI CORPORATION
    • Tomoo Inoue
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    Heat Exchanger and Water Heater

    • Publication number 20070221143
    • Publication date Sep 27, 2007
    • Noritz Corporation
    • Tetsurou Hamada
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    Heat Exchanger and Water Heater

    • Publication number 20070209606
    • Publication date Sep 13, 2007
    • Tetsurou Hamada
    • F28 - HEAT EXCHANGE IN GENERAL