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Class Information
Number: 236/15BA
Name: Automatic temperature and humidity regulation > Furnace controlled > Commercial furnace controls > Solid fuel burning

Patents under this class:

Patent Number Title Of Patent Date Issued
8573504 Furnace Nov. 5, 2013
5794549 Combustion optimization system Aug. 18, 1998
5280756 NO.sub.x Emissions advisor and automation system Jan. 25, 1994
5277134 Coal mill control process Jan. 11, 1994
4928604 Control system for pulverized coal fired boiler May. 29, 1990
4697530 Underfed stoker boiler for burning bituminous coal and other solid fuel particles Oct. 6, 1987
4635567 Monitoring of burner operation Jan. 13, 1987
4620491 Method and apparatus for supervising combustion state Nov. 4, 1986
4598648 Fire failure safety control for stokers Jul. 8, 1986
4517902 Control circuit for a solid fuel furnace May. 21, 1985
4368678 Injection of pulverized material into a pressurized furnace Jan. 18, 1983
4173188 Coal firing systems for kilns Nov. 6, 1979

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