Water-tube boilers built-up from sets of water tubes with internally-arranged flue tubes, or fire tubes, extending through the water tubes

Patents Grantslast 30 patents

  • Information Patent Grant

    Heating apparatus

    • Patent number 9,732,600
    • Issue date Aug 15, 2017
    • Exponential Technologies, Inc.
    • Soheil Farshchian
    • E21 - EARTH DRILLING MINING
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    Composite tube for heating gases

    • Patent number 4,817,672
    • Issue date Apr 4, 1989
    • Jogema Holding B.V.
    • Johannes J. Broodman
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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    Process and heat exchanger for cooling gases

    • Patent number 4,589,473
    • Issue date May 20, 1986
    • Borsig GmbH
    • Wolfgang Kehrer
    • F28 - HEAT EXCHANGE IN GENERAL
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    Energy conversion system and components thereof

    • Patent number 4,412,509
    • Issue date Nov 1, 1983
    • Robert B. Black
    • F24 - HEATING RANGES VENTILATING
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    Spiral concentric-tube heat exchanger

    • Patent number 3,976,129
    • Issue date Aug 24, 1976
    • Marcus M. Silver
    • F28 - HEAT EXCHANGE IN GENERAL
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    3918410

    • Patent number 3,918,410
    • Issue date Nov 11, 1975
    • F22 - STEAM GENERATION
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    3915124

    • Patent number 3,915,124
    • Issue date Oct 28, 1975
    • F28 - HEAT EXCHANGE IN GENERAL
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    3570458

    • Patent number 3,570,458
    • Issue date Mar 16, 1971
    • F28 - HEAT EXCHANGE IN GENERAL
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    2855903

    • Patent number 2,855,903
    • Issue date Oct 14, 1958
    • F24 - HEATING RANGES VENTILATING
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    2587530

    • Patent number 2,587,530
    • Issue date Feb 26, 1952
    • F22 - STEAM GENERATION
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    2574913

    • Patent number 2,574,913
    • Issue date Nov 13, 1951
    • F22 - STEAM GENERATION
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    2573551

    • Patent number 2,573,551
    • Issue date Oct 30, 1951
    • F22 - STEAM GENERATION
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    2569294

    • Patent number 2,569,294
    • Issue date Sep 25, 1951
    • F22 - STEAM GENERATION
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    2429916

    • Patent number 2,429,916
    • Issue date Oct 28, 1947
    • F22 - STEAM GENERATION
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    2379227

    • Patent number 2,379,227
    • Issue date Jun 26, 1945
    • F22 - STEAM GENERATION
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    2207162

    • Patent number 2,207,162
    • Issue date Jul 9, 1940
    • F22 - STEAM GENERATION
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    2196102

    • Patent number 2,196,102
    • Issue date Apr 2, 1940
    • F22 - STEAM GENERATION
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    2030265

    • Patent number 2,030,265
    • Issue date Feb 11, 1936
    • F22 - STEAM GENERATION
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    2008918

    • Patent number 2,008,918
    • Issue date Jul 23, 1935
    • F22 - STEAM GENERATION
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    1917533

    • Patent number 1,917,533
    • Issue date Jul 11, 1933
    • F22 - STEAM GENERATION
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    1917664

    • Patent number 1,917,664
    • Issue date Jul 11, 1933
    • F22 - STEAM GENERATION
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    1764873

    • Patent number 1,764,873
    • Issue date Jun 17, 1930
    • F22 - STEAM GENERATION
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    1714829

    • Patent number 1,714,829
    • Issue date May 28, 1929
    • F22 - STEAM GENERATION
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    1701199

    • Patent number 1,701,199
    • Issue date Feb 5, 1929
    • F22 - STEAM GENERATION
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    1689966

    • Patent number 1,689,966
    • Issue date Oct 30, 1928
    • F22 - STEAM GENERATION
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    1677795

    • Patent number 1,677,795
    • Issue date Jul 17, 1928
    • F22 - STEAM GENERATION
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    1597363

    • Patent number 1,597,363
    • Issue date Aug 24, 1926
    • F22 - STEAM GENERATION
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    1597222

    • Patent number 1,597,222
    • Issue date Aug 24, 1926
    • F22 - STEAM GENERATION
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    1560182

    • Patent number 1,560,182
    • Issue date Nov 3, 1925
    • F22 - STEAM GENERATION
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    1545161

    • Patent number 1,545,161
    • Issue date Jul 7, 1925
    • F22 - STEAM GENERATION

Patents Applicationslast 30 patents