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Fire tube
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Patent number 11,371,694
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Issue date Jun 28, 2022
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TRINITY ENDEAVORS, LLC
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Ty Mitchell
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F22 - STEAM GENERATION
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Fire tube
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Patent number 10,712,101
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Issue date Jul 14, 2020
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ROBUR S.P.A.
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Benito Guerra
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F28 - HEAT EXCHANGE IN GENERAL
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Fire-tube boiler
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Patent number 5,558,046
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Issue date Sep 24, 1996
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Dr.-Ing. Fritz Schoppe
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Fritz Schoppe
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F24 - HEATING RANGES VENTILATING
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Gas-fired steam cooker
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Patent number 4,552,123
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Issue date Nov 12, 1985
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Thermo Electron Corporation
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Joseph R. Birkner
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F24 - HEATING RANGES VENTILATING
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Firetube economizer
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Patent number 4,062,324
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Issue date Dec 13, 1977
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Combustion Engineering, Inc.
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William P. Manning
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F24 - HEATING RANGES VENTILATING
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Steam generating plant
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Patent number 4,061,112
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Issue date Dec 6, 1977
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Foster Wheeler Energy Corporation
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Thomas Gibson
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F22 - STEAM GENERATION
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Turbulator
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Patent number 4,044,796
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Issue date Aug 30, 1977
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Ronald H. Smick
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F28 - HEAT EXCHANGE IN GENERAL
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3839993
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Patent number 3,839,993
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Issue date Oct 8, 1974
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F22 - STEAM GENERATION
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3835816
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Patent number 3,835,816
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Issue date Sep 17, 1974
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F22 - STEAM GENERATION
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3444855
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Patent number 3,444,855
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Issue date May 20, 1969
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F24 - HEATING RANGES VENTILATING
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3301276
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Patent number 3,301,276
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Issue date Jan 31, 1967
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F22 - STEAM GENERATION