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