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Ignition system
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Patent number 11,619,385
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Issue date Apr 4, 2023
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Hearth Products Controls Co.
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Thomas J. Witman
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Double swirl burner
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Patent number 11,512,850
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Issue date Nov 29, 2022
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Alireza Fazlollahi Ghomshi
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G05 - CONTROLLING REGULATING
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Gas hot water supply
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Patent number 11,280,520
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Issue date Mar 22, 2022
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Denso Wave Incorporated
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Takahiro Miyajima
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Power source for sensors
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Patent number 7,230,346
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Issue date Jun 12, 2007
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Avago Technologies General IP (Singapore) Pte. Ltd.
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Peter H. Mahowald
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Power source for sensors
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Patent number 7,112,892
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Issue date Sep 26, 2006
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Avago Technologies General IP (Singapore) Pte. Ltd.
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Peter H. Mahowald
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Blower burner
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Patent number 4,998,877
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Issue date Mar 12, 1991
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Joh. Vaillant GmbH und Co.
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Jurgen Schilling
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Airflow switch checking circuit
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Patent number 4,992,040
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Issue date Feb 12, 1991
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Honeywell Inc.
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James S. Warren
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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3592574
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Patent number 3,592,574
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Issue date Jul 13, 1971
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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3524587
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Patent number 3,524,587
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Issue date Aug 18, 1970
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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3416470
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Issue date Dec 17, 1968
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C21 - METALLURGY OF IRON
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3394696
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Patent number 3,394,696
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Issue date Jul 30, 1968
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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3391866
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Patent number 3,391,866
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Issue date Jul 9, 1968
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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3294146
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Patent number 3,294,146
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Issue date Dec 27, 1966
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G05 - CONTROLLING REGULATING
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3262485
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Patent number 3,262,485
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Issue date Jul 26, 1966
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G05 - CONTROLLING REGULATING
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3241597
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Patent number 3,241,597
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Issue date Mar 22, 1966
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G05 - CONTROLLING REGULATING