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Low nox burner
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Patent number 5,772,421
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Issue date Jun 30, 1998
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Canadian Gas Research Institute
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Ferdinand K. Besik
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Sealed combustion range
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Patent number 5,568,804
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Issue date Oct 29, 1996
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Canadian Gas Research Institute
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Anthony L. P. Joseph
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F24 - HEATING RANGES VENTILATING
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Sealed combustion range
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Patent number 5,406,932
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Issue date Apr 18, 1995
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Canadian Gas Research Institute
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Anthony L. P. Joseph
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F24 - HEATING RANGES VENTILATING
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Gas-fired heater
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Patent number 5,253,635
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Issue date Oct 19, 1993
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Canadian Gas Research Institute
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John C. K. Overall
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F24 - HEATING RANGES VENTILATING
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Regenerative bed heat exchanger
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Patent number 4,909,307
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Issue date Mar 20, 1990
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Canadian Gas Research Institute
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Ferdinand K. Besik
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F24 - HEATING RANGES VENTILATING
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Heating and ventilating system
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Patent number 4,834,285
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Issue date May 30, 1989
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Canadian Gas Research Institute
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Ferdinand K. Besik
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F24 - HEATING RANGES VENTILATING
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Flue condensate shield
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Patent number 4,436,059
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Issue date Mar 13, 1984
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Canadian Gas Research Institute
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Antonio Galati
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F24 - HEATING RANGES VENTILATING
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Two-stage heat exchanger
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Patent number 4,275,705
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Issue date Jun 30, 1981
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Canadian Gas Research Institute
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Orland O. Schaus
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F24 - HEATING RANGES VENTILATING
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Flue heat exchanger
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Patent number 4,266,513
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Issue date May 12, 1981
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Canadian Gas Research Institute
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Orland O. Schaus
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F24 - HEATING RANGES VENTILATING
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