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Field adjustable pilot guard
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Patent number 6,766,820
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Issue date Jul 27, 2004
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FMC Technologies, Inc.
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Maurice Hoss
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Primary gas furnace control
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Patent number 5,158,447
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Issue date Oct 27, 1992
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Robertshaw Controls Company
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Frederick J. Geary
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Primary gas furnace control
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Patent number 4,915,614
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Issue date Apr 10, 1990
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Robertshaw Controls Company
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Frederick J. Geary
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Primary gas furnace control
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Patent number 4,836,770
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Issue date Jun 6, 1989
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Robertshaw Controls Company
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Frederick J. Geary
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Primary gas furnace control
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Patent number 4,755,133
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Issue date Jul 5, 1988
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Robertshaw Control Company
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Frederick J. Geary
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Burner ignition system
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Patent number 4,717,333
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Issue date Jan 5, 1988
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Advanced Mechanical Technology, Inc.
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Forest J. Carignan
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Primary gas furnace control
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Patent number 4,680,005
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Issue date Jul 14, 1987
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Robertshaw Controls Company
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Frederick J. Geary
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Primary gas furnace control
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Patent number 4,626,192
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Issue date Dec 2, 1986
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Robertshaw Controls Company
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Frederick J. Geary
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Burner ignition system
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Patent number 4,565,519
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Issue date Jan 21, 1986
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Advanced Mechanical Technology, Inc.
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Forest J. Carignan
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Safety gas valve with latch
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Patent number 4,442,853
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Issue date Apr 17, 1984
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Honeywell B.V.
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Ydo Gort
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Gas burner control mechanism
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Patent number 4,285,662
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Issue date Aug 25, 1981
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Robertshaw Controls Company
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Jay R. Katchka
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Fuel ignition control system
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Patent number 4,242,079
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Issue date Dec 30, 1980
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Johnson Controls, Inc.
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Russell B. Matthews
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES