Patents
Patents for F24B 7 - Stoves, ranges, or flue-gas ducts, with additional provisions for convection heating (916)
01/1982
01/12/1982US4309976 Wood heater
12/1981
12/30/1981EP0042615A1 Stove of the tile-stove type
12/29/1981CA1115157A1 Method of burning solid fuel in a closed firebox and a stove for carrying out the method
12/15/1981US4305373 Fireplace furnace
12/08/1981US4304214 System of wood combustion employing forced draft
11/1981
11/25/1981EP0040557A1 Heating device with a heat-recovery system
11/25/1981EP0040354A2 Heating box, particularly for tiled stoves
11/24/1981US4301783 Three wall forced air heating unit
11/18/1981EP0040100A1 Solid fuel stove
11/17/1981US4300526 Woodburning stove
11/03/1981CA1111729A1 Fireplace furnace with heat exchange tubes
10/1981
10/21/1981EP0038309A1 Hot air stove for local heating
10/06/1981US4293094 Supplemental heating system
10/06/1981US4292954 Wood burning heater
09/1981
09/29/1981US4291669 Efficient fuel burning stove or furnace with thermal energy slow propagation flue structure
09/08/1981US4287870 Indoor barbeque cooking device
08/1981
08/04/1981US4281634 Wood burning space heating stove
07/1981
07/28/1981US4280656 Chimney heat economizer
07/28/1981US4280476 Stove having auxiliary damper operably connected to access door
07/28/1981CA1105790A1 Wood burning stove
07/21/1981US4279239 Wood-fired fireplace
07/07/1981US4276926 Stove pipe heater
06/1981
06/23/1981CA1103541A1 Heating unit
05/1981
05/19/1981US4267884 Heat recovery device for use in return air duct of forced air furnace for recovering heat from the flue of such furnace
05/05/1981US4265213 Free standing stove
04/1981
04/28/1981US4263885 Woodburning stove
04/14/1981US4261324 Wood burning stove with integral forced air heat exchanger system
03/1981
03/31/1981US4258693 Wood burning stove
03/31/1981CA1098403A1 Zero clearance mobile home fireplace unit
03/31/1981CA1098402A1 Improved mobile home heater
03/17/1981US4256081 Air circulation and humidification system for stoves
03/03/1981CA1096730A1 Heating stove
02/1981
02/17/1981US4250868 Draft inducer/damper systems
02/17/1981US4250867 Heating unit
02/17/1981US4250864 Stove heat exchanger
02/11/1981EP0023757A1 Ventilation heat exchanger
02/04/1981EP0023211A1 Three wall forced air heating unit
02/03/1981US4248204 Solar rock fireplace heating system
02/03/1981US4248203 Wood burning stove
01/1981
01/27/1981CA1094421A1 Wood burning stove
01/06/1981US4243177 Chimney heat capturing system
12/1980
12/30/1980US4241719 Heater stove apparatus
12/23/1980US4240403 Fireplace stove
11/1980
11/25/1980CA1090224A1 Fireplace heat amplifier
11/18/1980US4233955 Fireplace and room heater
10/1980
10/28/1980US4230090 Heating stove
10/28/1980CA1088393A1 Wood burning stove
10/21/1980CA1087947A1 Auxiliary wood burning furnace
10/07/1980US4226363 Stove bench
09/1980
09/30/1980CA1086592A1 Heating apparatus
09/23/1980US4223659 Forced air heater
08/1980
08/12/1980US4217094 Combination safety and heat conservation panel
08/05/1980US4215814 Flue gas trap and diverter
08/05/1980CA1083000A1 Fireplace room heater
07/1980
07/29/1980US4214569 Fireplace stove
07/29/1980CA1082549A1 Fireplace grate and blower
07/29/1980CA1082548A1 Stove construction
07/22/1980US4213443 Stove construction
07/10/1980WO1980001409A1 Three wall forced air heating unit
07/01/1980US4210119 Sheet metal fireplace stove with improved draft
06/1980
06/17/1980CA1079593A1 Heating apparatus
06/11/1980EP0011657A1 Combustion furnace for domestic refuse or the like
06/10/1980US4206743 Heating apparatus
06/10/1980US4206742 Heat extractor and shield for room stoves and the like
05/1980
05/27/1980US4204517 Fireplace furnace
05/06/1980US4201186 Solid-fuel burner
05/06/1980US4201185 Method and means for heating by wood burning
04/1980
04/29/1980US4200086 Wood burning stove and fireplace
04/22/1980US4198952 Stove
03/1980
03/04/1980US4191162 Energy saving air-flow heater
02/1980
02/12/1980US4187905 Attachable pipe radiator
02/12/1980US4187829 Fireplace heat exchanger assembly
02/12/1980CA1071485A1 Heating stove
02/05/1980US4186718 Stoves
01/1980
01/29/1980US4185611 Fireplace heating unit
01/22/1980US4184544 Apparatus and method for recovering waste heat from flue gases
01/22/1980US4184473 Improved mobile home heater
12/1979
12/25/1979US4180051 Furnace
12/04/1979US4176787 Heat recovery device for use in return air duct of forced air furnace
11/1979
11/20/1979CA1066576A1 Portable heating and cooking stove
10/1979
10/23/1979US4171773 Fire jet air displacement heat exchanger device
10/02/1979CA1063472A2 Fireplace systems
10/02/1979CA1063471A2 Fireplace systems
09/1979
09/18/1979CA1062570A1 Fireplace heat intensifier
05/1979
05/15/1979US4154210 Wood fired furnace
05/08/1979CA1054007A1 Heater
04/1979
04/24/1979US4150658 Circulating-air heating stove
04/10/1979US4148302 Thermal flue apparatus
04/03/1979US4147303 Heat-saving smoke pipe attachment
03/1979
03/06/1979US4142679 Building heating system
02/1979
02/13/1979US4138985 Portable heating and cooking stove
02/13/1979CA1048361A1 Adjustable heat recovery system for flue stacks
01/1979
01/30/1979US4136663 Heating unit
01/30/1979US4136662 Wood burning stove
12/1978
12/19/1978US4130105 Auxiliary wood burning furnace
12/12/1978US4129251 Heat extractor for stoves
11/1978
11/28/1978US4127100 Wood burning stove
10/1978
10/03/1978US4117883 Heat retriever
09/1978
09/12/1978US4112914 Combined fireplace hood and heating unit
09/05/1978US4111182 Franklin stove attachments
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