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Water heater pilot operation
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Patent number 11,573,032
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Issue date Feb 7, 2023
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Rheem Manufacturing Company
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Jozef Boros
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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-
-
-
-
-
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Gas water heaters or bath heaters
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Patent number 4,770,161
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Issue date Sep 13, 1988
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Chaffoteaux & Maury
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Jean-Claude Charron
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Water heater
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Patent number 4,627,416
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Issue date Dec 9, 1986
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Rinnai Kabushiki Kaisha
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Hiroshi Ito
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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-
-
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3917162
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Patent number 3,917,162
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Issue date Nov 4, 1975
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F24 - HEATING RANGES VENTILATING
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3801258
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Patent number 3,801,258
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Issue date Apr 2, 1974
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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3647136
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Patent number 3,647,136
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Issue date Mar 7, 1972
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F24 - HEATING RANGES VENTILATING
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3627202
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Patent number 3,627,202
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Issue date Dec 14, 1971
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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3490693
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Patent number 3,490,693
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Issue date Jan 20, 1970
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F24 - HEATING RANGES VENTILATING
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3485176
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Patent number 3,485,176
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Issue date Dec 23, 1969
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B08 - CLEANING
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3383042
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Patent number 3,383,042
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Issue date May 14, 1968
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F24 - HEATING RANGES VENTILATING
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3196844
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Patent number 3,196,844
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Issue date Jul 27, 1965
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F22 - STEAM GENERATION
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2848167
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Patent number 2,848,167
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Issue date Aug 19, 1958
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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2767355
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Patent number 2,767,355
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Issue date Oct 16, 1956
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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2583814
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Patent number 2,583,814
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Issue date Jan 29, 1952
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H01 - BASIC ELECTRIC ELEMENTS
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2513045
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Patent number 2,513,045
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Issue date Jun 27, 1950
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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2303701
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Patent number 2,303,701
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Issue date Dec 1, 1942
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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2303702
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Patent number 2,303,702
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Issue date Dec 1, 1942
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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2252368
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Patent number 2,252,368
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Issue date Aug 12, 1941
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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2227447
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Patent number 2,227,447
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Issue date Jan 7, 1941
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES