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Class Information
Number: 126/502
Name: Stoves and furnaces > Fireplaces or accessories > Condition responsive control
Description: Subject matter including means to sense a condition or change of condition in the environment or in the operation of said structure or device; and said means effects a control function on the operation of said structure or device.










Sub-classes under this class:

Class Number Class Name Patents
126/504 Of flue damper 23
126/503 Of fluid fuel feed 28


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8636226 Aid for loading a solid fuel boiler coupled with an accumulation system Jan. 28, 2014
8469021 Fireplace assembly with integrated burn control system Jun. 25, 2013
8082915 Pellet stove Dec. 27, 2011
7870854 Closed-loop control system for heating systems Jan. 18, 2011
7726300 Backlighting system for a fireplace Jun. 1, 2010
7686011 Compact window heating unit utilizing pelletized fuel Mar. 30, 2010
7457689 Process control methodologies for biofuel appliance Nov. 25, 2008
7449244 Plate made of a glass material for a device of the fireplace insert or stove type Nov. 11, 2008
7146975 Gas fire log system with collapsing logs Dec. 12, 2006
7066170 Apparatuses and methods for balancing combustion air and exhaust gas for use with a direct-vent heater appliance Jun. 27, 2006
6910410 Method and apparatus for manufacturing charcoal grilled foods Jun. 28, 2005
6634939 Ventilation system and method Oct. 21, 2003
6257230 Adapter for ventless fireplace Jul. 10, 2001
6227194 Fireplace May. 8, 2001
6129079 Gas fireplace with rotating log assembly Oct. 10, 2000
6047695 Fireplace heat exchanger Apr. 11, 2000
5957679 Gas fireplace burner control system Sep. 28, 1999
5873356 High efficiency wood pellet stove Feb. 23, 1999
5775408 Integrated gas fireplace and air conditioner system Jul. 7, 1998
5727540 Fireplace heat exchanger Mar. 17, 1998
5575274 Gas log fireplace system Nov. 19, 1996
5572986 Fireplace heat exchanger Nov. 12, 1996
5479915 Heating device for gaseous fuels Jan. 2, 1996
5471973 Direct vent fireplace Dec. 5, 1995
5462043 Wood burning furnace Oct. 31, 1995
5320090 Blower apparatus for gas heated logs Jun. 14, 1994
4928667 Gas fire heating unit May. 29, 1990
4779795 Convector room heater incorporating a hot water boiler Oct. 25, 1988
4773589 Heat control systems Sep. 27, 1988
4724798 Outdoor woodburning furnace Feb. 16, 1988
4691686 Gaseous flow control for combustion devices Sep. 8, 1987
4688545 Stove Aug. 25, 1987
4658804 Movable hearth boiler with internal combustion and adjustable draught Apr. 21, 1987
4629114 Heater device control Dec. 16, 1986
4583517 Fireplace screen Apr. 22, 1986
4545360 Clean burning solid fuel stove and method Oct. 8, 1985
4512329 Heat circulating fireplace grate assembly for gas fired logs Apr. 23, 1985
4503836 Fireplace and stove apparatus Mar. 12, 1985
4497262 Wood fired boiler Feb. 5, 1985
4487195 Fuel burning heating apparatus Dec. 11, 1984
4479605 Heating system Oct. 30, 1984
4473061 Combined grate and hot water heater Sep. 25, 1984
4471755 Fireplace structure Sep. 18, 1984
4470542 Single closed loop fireplace home heating system Sep. 11, 1984
4470400 Fireplace insert Sep. 11, 1984
4465055 Fireplace stove assembly Aug. 14, 1984
4462542 Heating system Jul. 31, 1984
4461242 Means for heating water by wood burning Jul. 24, 1984
4455995 Heating stove with heat regulating system Jun. 26, 1984
4455994 Woodburning heating stove and heat extractor Jun. 26, 1984

1 2 3










 
 
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