Patents for F24B 5 - Combustion-air or flue-gas circulation in or around stoves or ranges (978) | |
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11/1981 | |
11/25/1981 | EP0040557A1 Heating device with a heat-recovery system |
11/18/1981 | EP0040100A1 Solid fuel stove |
11/17/1981 | US4300526 Woodburning stove |
10/1981 | |
10/29/1981 | WO1981003057A1 Arrangement for firing solid fuels |
10/14/1981 | EP0037451A1 Device for an open fireplace |
10/07/1981 | EP0037281A2 Solid fuel burning stove and catalytic converter |
09/1981 | |
09/29/1981 | US4291669 Efficient fuel burning stove or furnace with thermal energy slow propagation flue structure |
09/29/1981 | CA1109744A2 Mobile home heater |
09/22/1981 | US4290410 Coal stove |
09/15/1981 | CA1108953A1 Draft tube for wood burning stoves |
09/03/1981 | WO1981002464A1 Wood and coal burning heating method and apparatus |
08/1981 | |
08/11/1981 | CA1106715A1 Stove |
08/06/1981 | WO1981002194A1 Coal furnace |
07/1981 | |
07/21/1981 | US4279238 Wood burning heating apparatus |
07/21/1981 | US4279237 Combination stove and fireplace |
05/1981 | |
05/20/1981 | EP0028782A2 Tile stove |
05/19/1981 | US4267817 Wood-burning stove |
05/05/1981 | US4265215 Space heater |
05/05/1981 | US4265214 Heater |
05/05/1981 | US4265213 Free standing stove |
04/1981 | |
04/07/1981 | CA1098788A1 Fireplace |
04/07/1981 | CA1098786A1 Furnace |
03/1981 | |
03/24/1981 | US4257338 Process for improved solid fuel combustion |
03/18/1981 | EP0025424A1 Improvement in a stove |
02/1981 | |
02/24/1981 | US4252104 Space heaters |
02/17/1981 | US4250868 Draft inducer/damper systems |
02/17/1981 | CA1095794A1 Wood burning stove for heating homes |
02/10/1981 | US4249509 Wood burning apparatus having improved efficiency |
02/10/1981 | CA1095360A1 Heating stove |
02/03/1981 | US4248203 Wood burning stove |
01/1981 | |
01/06/1981 | CA1092924A2 Heating apparatus having improved combustion |
01/06/1981 | CA1092923A2 Heating apparatus having improved combustion |
01/06/1981 | CA1092922A2 Heating apparatus having improved combustion |
01/06/1981 | CA1092921A2 Heating apparatus having improved combustion |
12/1980 | |
12/30/1980 | US4241719 Heater stove apparatus |
12/23/1980 | US4240403 Fireplace stove |
11/1980 | |
11/11/1980 | US4232653 Wood-burning furnace |
11/11/1980 | US4232650 Baffled stove |
11/04/1980 | CA1088831A1 Heating apparatus having improved combustion |
10/1980 | |
10/28/1980 | CA1088393A1 Wood burning stove |
10/07/1980 | US4226363 Stove bench |
10/07/1980 | US4226224 Wood burning stove for heating homes |
09/1980 | |
09/16/1980 | US4222363 Draft tube for wood burning stoves |
09/09/1980 | US4221207 Heating apparatus having improved combustion |
07/1980 | |
07/15/1980 | US4212286 Sheet metal fireplace type stove |
06/1980 | |
06/17/1980 | US4207860 Wood-coal heating unit |
05/1980 | |
05/06/1980 | US4201186 Solid-fuel burner |
04/1980 | |
04/29/1980 | CA1076443A2 Heating apparatus having improved combustion |
04/29/1980 | CA1076442A2 Heating apparatus having improved combustion |
04/29/1980 | CA1076441A2 Heating apparatus having improved combustion |
04/08/1980 | US4196713 Fuel burning heater |
03/1980 | |
03/25/1980 | US4194487 Downdraft woodburning stove |
03/11/1980 | US4192285 Air tight fuel burning stove |
02/1980 | |
02/12/1980 | CA1071485A1 Heating stove |
01/1980 | |
01/08/1980 | US4182304 Downdraft furnace |
01/01/1980 | US4181116 Stove |
12/1979 | |
12/18/1979 | CA1068186A1 Fireplace stove |
12/11/1979 | CA1067775A1 Fireplace |
10/1979 | |
10/02/1979 | US4169457 Thermostatically regulated space heaters for burning wood, coal and the like |
10/02/1979 | CA1063472A2 Fireplace systems |
10/02/1979 | CA1063471A2 Fireplace systems |
08/1979 | |
08/07/1979 | US4163440 Radiant heater |
07/1979 | |
07/31/1979 | CA1059397A1 Fireplace chimney furnace |
07/17/1979 | CA1058465A1 Heating apparatus having improved combustion |
06/1979 | |
06/12/1979 | US4157704 Fireplace stove |
05/1979 | |
05/15/1979 | US4154212 Fuel burning heater |
05/08/1979 | CA1054007A1 Heater |
03/1979 | |
03/13/1979 | CA1050373A1 Automatic wood burning heating stove |
01/1979 | |
01/30/1979 | US4136662 Wood burning stove |
01/16/1979 | CA1046370A1 Space heaters |
10/1978 | |
10/03/1978 | US4117826 Wood burning stove |
10/03/1978 | US4117824 Automatic wood burning heating stove |
09/1978 | |
09/05/1978 | US4111181 Combustion air system |
07/1978 | |
07/25/1978 | US4102318 Stratified combustion furnace |
10/1977 | |
10/04/1977 | US4051831 Heating stove |
05/1977 | |
05/31/1977 | US4026264 Portable fireplace heating unit |
04/1977 | |
04/05/1977 | US4015580 Safe heater |
10/1976 | |
10/26/1976 | US3987778 Auxiliary fireplace structure |