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