Patents for F24H 9 - Details (27,146) |
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05/12/1981 | US4267432 Installation circuitry for electric water heaters |
05/12/1981 | US4266513 Flue heat exchanger |
05/12/1981 | CA1100820A1 Automatic damper device |
04/30/1981 | WO1981001187A1 Process for heating a boiler and boiler for implementing such process |
04/28/1981 | US4263887 Forced air wood furnace system |
04/28/1981 | US4263879 Water heater |
04/28/1981 | US4263878 Boiler |
04/07/1981 | US4260874 Microporous insulating barrier system for electrode boiler output control |
04/07/1981 | US4259982 Resistive fluid detecting means |
04/07/1981 | US4259928 Continuous flow water heater |
04/01/1981 | EP0026150A1 Heating apparatus using solid as well as liquid fuels |
03/25/1981 | EP0025769A2 Boiler for hot water heating |
03/24/1981 | US4257761 Multiple jet coal burner |
03/24/1981 | US4257389 Humidifier |
03/19/1981 | WO1981000753A1 Vertical feed wood-type fuel furnace system |
03/10/1981 | US4255115 Method and apparatus for producing a hot gas flow |
03/05/1981 | WO1981000610A1 Combustion chamber |
03/05/1981 | WO1981000609A1 Flue control |
03/04/1981 | EP0024376A1 Heating apparatus |
03/03/1981 | US4253426 Reservoir type water heating device |
02/24/1981 | US4253009 Heating element for water heater |
02/17/1981 | US4251024 Automatic vent damper |
02/10/1981 | US4249883 Automatic damper device |
01/28/1981 | EP0023000A2 Boiler with pressurized firebox |
01/21/1981 | EP0022599A2 Automatically closing damper for the injection of combustion air below the hearth of a solid fuel-fired boiler |
01/20/1981 | US4246466 Electric heat storage apparatus |
01/13/1981 | US4244349 Portable forced air heater |
01/07/1981 | EP0021516A1 An electric control device for a central heating boiler |
01/07/1981 | EP0021469A1 Heating device |
01/07/1981 | EP0021161A1 Connection device for flat hollow bodies |
01/07/1981 | EP0020741A1 Portable forced air heater |
01/06/1981 | US4243870 Vaporizer with electrode housing interlock |
01/06/1981 | US4243014 Combustion chamber construction |
01/06/1981 | US4242987 Connecting arrangement for a heating boiler |
12/30/1980 | US4241843 Lined metal tank with heat shield and method of making same |
12/30/1980 | US4241723 Pulse combustion apparatus |
12/30/1980 | US4241720 Pulse combustion apparatus |
12/23/1980 | US4240362 Boiler for domestic heating systems |
12/12/1980 | EP0016156A4 Porous vitreous carbon heater and method. |
12/11/1980 | WO1980002737A1 Natural circulation-type hot water storage heater |
12/10/1980 | EP0019671A1 Damper assembly |
12/02/1980 | US4236548 Apparatus for providing instant hot water |
12/02/1980 | US4236466 Mechanical actuation of furnace grate beams |
11/25/1980 | US4235323 Slip clutch assembly |
11/18/1980 | US4234782 Space heating using off-peak electric heat storage |
11/18/1980 | US4234039 Radiator |
11/13/1980 | WO1980002454A1 A universal furnace |
10/30/1980 | WO1980002352A1 Method and apparatus for regulating the temperature of a heating element in a water heater |
10/21/1980 | US4228783 Combustion heater |
10/21/1980 | CA1087941A1 Heating boiler for the combustion of liquid or gaseous fuel |
10/07/1980 | US4227068 Convector heater |
10/01/1980 | EP0016700A2 Device for evacuating combustion gases and for supplying fresh air for gas apparatuses of the gas-tight type |
10/01/1980 | EP0016607A1 Fluidised bed combustor |
10/01/1980 | EP0016479A2 Gas-fire place |
10/01/1980 | EP0016156A1 Porous vitreous carbon heater and method |
09/23/1980 | US4224126 Anode assembly for hot water heaters |
09/23/1980 | CA1086366A1 Convector heater |
09/23/1980 | CA1086210A1 Window heaters |
09/18/1980 | WO1980001947A1 Combustion oven operated with solid or liquid fuels |
09/17/1980 | EP0015884A1 Apparatus for production of hot water |
09/16/1980 | CA1085694A1 Multi-fuel forced air furnace |
09/02/1980 | US4220846 Method and apparatus utilizing a porous vitreous carbon body particularly for fluid heating |
08/20/1980 | EP0014612A1 Method and apparatus for the regulation of a heating installation for rooms |
08/12/1980 | CA1083546A1 Device for improving the efficiency of central hot- water heating systems |
08/05/1980 | US4215814 Flue gas trap and diverter |
08/05/1980 | US4215655 Crescent heat exchanger liquid heater |
07/29/1980 | US4214627 Fire tube for a heating boiler |
07/29/1980 | CA1082759A1 Alternative heating apparatus for use in a heating system having a fuel burner, particularly a forced- air central heating system |
07/22/1980 | US4213406 Draft interrupter of a gas-fired boiler installation |
07/15/1980 | CA1081599A1 Control of forced draught combustion apparatus |
07/09/1980 | EP0012857A1 Fluidized-bed furnace for central-heating boiler |
07/08/1980 | US4211365 Motor vehicle auxiliary heater |
07/01/1980 | US4210200 Energy saving device for habitable building enclosures having a heat changing system |
06/26/1980 | WO1980001314A1 Portable forced air heater |
06/24/1980 | CA1080040A1 Venting system for a gas-fired heating plant |
06/17/1980 | US4207860 Wood-coal heating unit |
06/11/1980 | EP0012123A1 A device for heating a fluid |
06/10/1980 | US4207457 Porcupine wire coil electric resistance fluid heater |
06/10/1980 | US4206804 Heated air circulator |
06/03/1980 | US4205653 Downflow furnace assembly |
05/28/1980 | EP0011586A1 Method and apparatus for heating using liquid fuel, the apparatus being also usable for burning solid fuel |
05/28/1980 | EP0011568A1 Improvement in sealed forced-draught domestic gas apparatuses |
05/28/1980 | EP0011457A2 Pulse combustion apparatus |
05/27/1980 | US4204829 Catalytic combustion process and system |
05/20/1980 | US4203415 Heat exchanger |
05/14/1980 | EP0010549A1 Electrical control circuit for a hot water furnace |
05/06/1980 | CA1077113A1 Heat exchanger for convector heater |
04/15/1980 | US4197831 Energy conversion system |
03/25/1980 | US4194488 Home heating system |
03/18/1980 | US4193441 Variable capacity thermal storage system employing thermal switching |
03/18/1980 | CA1073801A1 Damper control apparatus |
03/06/1980 | WO1980000334A1 Porous vitreous carbon heater and method |
03/04/1980 | US4191171 Draft hood and damper assembly for fuel fired heating apparatus |
02/19/1980 | US4189295 Control for heating apparatus |
02/19/1980 | US4189091 Furnace having a normally closed blower relay |
02/19/1980 | CA1071949A1 Boilers |
02/12/1980 | CA1071483A1 Auxiliary heating device for standard hot water type home heating systems |
01/29/1980 | US4185769 Exhaust flue damper and control system therefor |
01/22/1980 | US4185187 Electric water heating apparatus |
01/15/1980 | US4184064 Water heating means |