with water mantle surrounding the combustion chamber or chambers

Patents Grantslast 30 patents

  • Information Patent Grant

    Heat exchanger

    • Patent number 10,852,032
    • Issue date Dec 1, 2020
    • Daikin Industries, Ltd.
    • Serhan M Kilic
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Combined heat and power plant and a method for improving the burnin...

    • Patent number 10,697,363
    • Issue date Jun 30, 2020
    • Volter Oy
    • Esa Terho
    • F22 - STEAM GENERATION
  • Information Patent Grant

    Blower assembly with compensation for vent back pressure

    • Patent number 10,533,771
    • Issue date Jan 14, 2020
    • Regal Beloit America, Inc.
    • Steven W. Post
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Heat exchanger and combustion device

    • Patent number 10,365,014
    • Issue date Jul 30, 2019
    • Rinnai Corporation
    • Akifumi Nishino
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Boiler system

    • Patent number 10,234,170
    • Issue date Mar 19, 2019
    • Pat Kiely
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Solid fuel boiler

    • Patent number 9,506,669
    • Issue date Nov 29, 2016
    • Dae Kyoum Kim
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Non-to-minimally fractionalized biomass-fueled renewable energy

    • Patent number 8,887,504
    • Issue date Nov 18, 2014
    • Marvin Duane Julian
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Low maintenance fluid heater and method of firing same

    • Patent number 8,567,352
    • Issue date Oct 29, 2013
    • Patrick A. Kaupp
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Boiler

    • Patent number 8,122,855
    • Issue date Feb 28, 2012
    • Viessmann Werke GmbH & Co. KG
    • Werner Klausmann
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Low maintenance fluid heater and method of firing same

    • Patent number 7,681,536
    • Issue date Mar 23, 2010
    • Patrick A. Kaupp
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Furnace boiler and process for the operation of the boiler

    • Patent number 4,796,569
    • Issue date Jan 10, 1989
    • Rolf Bommer
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Hot liquid generator with condensation and installation incorporati...

    • Patent number 4,655,174
    • Issue date Apr 7, 1987
    • Jean P. R. Fillios
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Wood fired boiler

    • Patent number 4,497,262
    • Issue date Feb 5, 1985
    • Clifford Nordine
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Vertical feed stick wood fuel burning furnace system

    • Patent number 4,473,351
    • Issue date Sep 25, 1984
    • Board of Trustees of the University of Maine
    • Richard C. Hill
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    High efficiency boiler

    • Patent number 4,421,066
    • Issue date Dec 20, 1983
    • Teledyne Industries, Inc.
    • Manochehr Gordbegli
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Incinerator

    • Patent number 4,379,433
    • Issue date Apr 12, 1983
    • Gordon H. Hoskinson
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Vertical feed stick wood fuel burning furnace system

    • Patent number 4,309,965
    • Issue date Jan 12, 1982
    • Board of Trustees of the University of Maine
    • Richard C. Hill
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Incinerator

    • Patent number 4,291,633
    • Issue date Sep 29, 1981
    • Gordon H. Hoskinson
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Thermic reactor

    • Patent number 4,191,132
    • Issue date Mar 4, 1980
    • Veikko E. Rahikka
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Method and device for improving the efficiency of heat generators

    • Patent number 4,188,917
    • Issue date Feb 19, 1980
    • Elof V. Asman
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Liquid heating apparatus

    • Patent number 4,096,851
    • Issue date Jun 27, 1978
    • Noboru Maruyama
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    3903868

    • Patent number 3,903,868
    • Issue date Sep 9, 1975
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    3848661

    • Patent number 3,848,661
    • Issue date Nov 19, 1974
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    3777717

    • Patent number 3,777,717
    • Issue date Dec 11, 1973
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    3575143

    • Patent number 3,575,143
    • Issue date Apr 20, 1971
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    3358651

    • Patent number 3,358,651
    • Issue date Dec 19, 1967
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    3105465

    • Patent number 3,105,465
    • Issue date Oct 1, 1963
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    2855903

    • Patent number 2,855,903
    • Issue date Oct 14, 1958
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    2751892

    • Patent number 2,751,892
    • Issue date Jun 26, 1956
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    2055400

    • Patent number 2,055,400
    • Issue date Sep 22, 1936
    • F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

  • Information Patent Application

    COMBUSTION APPARATUS AND HOT WATER APPARATUS

    • Publication number 20200033002
    • Publication date Jan 30, 2020
    • Noritz Corporation
    • Tatsuya KARAKI
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    HEAT EXCHANGER

    • Publication number 20180347854
    • Publication date Dec 6, 2018
    • DAIKIN INDUSTRIES, LTD.
    • Serhan M KILIC
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    SOLID FUEL BOILER

    • Publication number 20160169551
    • Publication date Jun 16, 2016
    • Dae Kyoum KIM
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    NON-TO-MINIMALLY FRACTIONALIZED BIOMASS-FUELED RENEWABLE ENERGY

    • Publication number 20130328322
    • Publication date Dec 12, 2013
    • Marvin Duane Julian
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    LOW MAINTENANCE FLUID HEATER AND METHOD OF FIRING SAME

    • Publication number 20100132632
    • Publication date Jun 3, 2010
    • Patrick A. Kaupp
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    Boiler

    • Publication number 20090056647
    • Publication date Mar 5, 2009
    • VIESSMANN WERKE GMBH & CO., KG
    • Werner Klausmann
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    Low maintenance fluid heater and method of firing same

    • Publication number 20080230016
    • Publication date Sep 25, 2008
    • Patrick A. Kaupp
    • F24 - HEATING RANGES VENTILATING