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Uniform-burning matrix burner
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Patent number 6,183,241
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Issue date Feb 6, 2001
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Midwest Research Institute
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Mark S. Bohn
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C03 - GLASS MINERAL OR SLAG WOOL
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Tap water preheater
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Patent number 4,484,564
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Issue date Nov 27, 1984
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Herbert V. Erickson
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F28 - HEAT EXCHANGE IN GENERAL
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Heat exchanger coil
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Patent number 4,429,734
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Issue date Feb 7, 1984
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Kool-Fire Limited
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Gerry VanderVaart
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F24 - HEATING RANGES VENTILATING
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3028843
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Patent number 3,028,843
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Issue date Apr 10, 1962
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F24 - HEATING RANGES VENTILATING
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1955006
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Patent number 1,955,006
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Issue date Apr 17, 1934
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F28 - HEAT EXCHANGE IN GENERAL
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1927095
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Patent number 1,927,095
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Issue date Sep 19, 1933
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F22 - STEAM GENERATION
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1926046
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Patent number 1,926,046
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Issue date Sep 12, 1933
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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1777950
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Patent number 1,777,950
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Issue date Oct 7, 1930
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1738774
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Patent number 1,738,774
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Issue date Dec 10, 1929
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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1721267
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Patent number 1,721,267
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Issue date Jul 16, 1929
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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1719209
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Patent number 1,719,209
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Issue date Jul 2, 1929
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F22 - STEAM GENERATION
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1715614
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Patent number 1,715,614
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Issue date Jun 4, 1929
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F22 - STEAM GENERATION
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1715037
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Patent number 1,715,037
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Issue date May 28, 1929
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F22 - STEAM GENERATION
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1711622
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Patent number 1,711,622
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Issue date May 7, 1929
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F22 - STEAM GENERATION
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1699864
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Patent number 1,699,864
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Issue date Jan 22, 1929
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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1680314
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Patent number 1,680,314
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Issue date Aug 14, 1928
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F22 - STEAM GENERATION
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1677749
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Patent number 1,677,749
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Issue date Jul 17, 1928
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F22 - STEAM GENERATION
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1655058
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Patent number 1,655,058
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Issue date Jan 3, 1928
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F22 - STEAM GENERATION
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1597158
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Patent number 1,597,158
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Issue date Aug 24, 1926
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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1575368
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Patent number 1,575,368
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Issue date Mar 2, 1926
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F28 - HEAT EXCHANGE IN GENERAL
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1571369
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Patent number 1,571,369
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Issue date Feb 2, 1926
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F22 - STEAM GENERATION
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1562476
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Patent number 1,562,476
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Issue date Nov 24, 1925
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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1558573
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Patent number 1,558,573
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Issue date Oct 27, 1925
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F28 - HEAT EXCHANGE IN GENERAL
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1558344
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Patent number 1,558,344
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Issue date Oct 20, 1925
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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1557874
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Patent number 1,557,874
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Issue date Oct 20, 1925
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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1549489
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Patent number 1,549,489
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Issue date Aug 11, 1925
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F28 - HEAT EXCHANGE IN GENERAL
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1457282
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Patent number 1,457,282
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Issue date May 29, 1923
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES