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Class Information
Number: 236/91B
Name: Automatic temperature and humidity regulation > Thermostatic > Hot and cold > With oil burner

Patents under this class:

Patent Number Title Of Patent Date Issued
7432477 Set-back control for both HVAC and water heater via a single programmable thermostat Oct. 7, 2008
7255285 Blocked flue detection methods and systems Aug. 14, 2007
5337955 Combined boiler water temperature control Aug. 16, 1994
5285959 Air heating apparatus Feb. 15, 1994
4411385 Controller for the operation of heaters Oct. 25, 1983

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