Patents
Sitemap › F24 - Heating; Ranges; Ventilating › F24H - Fluid heaters, e.g. water or air heaters, having heat-generating means, in general › F24H 3 - Air heaters having heat generating means
Patents for F24H 3 - Air heaters having heat generating means (7,733)
01/1982
01/20/1982EP0044063A1 Hot gas generator
01/12/1982US4310747 Method and apparatus utilizing a porous vitreous carbon body particularly for fluid heating
01/12/1982US4310746 Electric fluid heating apparatus
01/12/1982US4309978 Forced air heater
01/12/1982US4309977 Pulse combustion apparatus
01/05/1982US4309594 Modular infrared space heater device
01/05/1982US4309593 Electric heater which reduces the chance of electrical shock
01/05/1982CA1115610A1 Method and means for heating by wood burning
12/1981
12/29/1981US4307701 Portable heat distribution system
12/29/1981US4307568 Gas turbine power plant having a heat exchanger
12/29/1981CA1115157A1 Method of burning solid fuel in a closed firebox and a stove for carrying out the method
12/22/1981US4307284 Electric space heater unit utilizing incandescent lamps as the heat source
12/22/1981CA1114875A1 Baseboard heater with internal cable carrier
12/16/1981EP0041862A2 Improvements relating to air heaters
12/09/1981EP0041376A1 High-efficiency recuperative furnace
12/08/1981US4304291 Heat exchanger for a convector heater
12/01/1981US4304003 Apparatus controlled by a microprocessor
11/1981
11/24/1981US4301783 Three wall forced air heating unit
11/18/1981EP0040037A1 A heat exchange unit
11/03/1981US4298061 Heat exchanger with crimped flange seam
10/1981
10/21/1981EP0038308A1 A thermal convector device capable of operating by natural and/or forced convection
10/20/1981US4295606 Heating system
10/15/1981WO1981002964A1 Modular infrared space heater device
10/14/1981EP0037433A2 Heating stove for solid fuels
10/06/1981US4292954 Wood burning heater
10/06/1981CA1110309A1 Forced flow air heater with a housing
09/1981
09/29/1981CA1109743A1 Oil stove for burning waste oil and normal heating oil
09/08/1981US4288218 Heating apparatus
09/08/1981US4287872 Methods and apparatus for ductlessly distributing and circulating heated air from a gas-fired heater to heat large volumes of air in industrial facilities
09/08/1981CA1108499A1 Two-stage heat exchanger
09/08/1981CA1108497A1 Radiantly heated furnace
09/01/1981US4286943 Air heater
09/01/1981US4286570 Efficiency heater
09/01/1981CA1108212A1 Automobile auxiliary heater
08/1981
08/18/1981CA1107165A1 Energy saving furnace construction
07/1981
07/28/1981CA1105906A1 Closed circuit heating system
07/14/1981US4278423 Heating and ventilating system for poultry houses
07/14/1981US4278067 Furnace
07/07/1981US4277021 Closed circuit heating system
07/07/1981CA1104448A1 Stacked indirect air heater with single path airflow
07/01/1981EP0031206A1 An air-heating gas burner
06/1981
06/30/1981US4276018 Mobile heater
06/30/1981US4275705 Two-stage heat exchanger
06/16/1981US4273990 Baseboard heater with high temperature cut-off switch
06/16/1981US4273075 Heat generating device
06/09/1981CA1102645A1 Furnace
05/1981
05/27/1981EP0029041A1 A universal furnace.
05/26/1981CA1101748A1 Recirculating processing oven heater
05/19/1981US4268248 Portable preheater
05/19/1981CA1101328A1 High pressure heater
04/1981
04/28/1981US4263887 Forced air wood furnace system
04/14/1981US4261326 High-efficiency recuperative furnace
03/1981
03/24/1981US4258248 Instant hot air welcome mat
03/17/1981US4256082 Warm air furnace
03/10/1981US4255115 Method and apparatus for producing a hot gas flow
03/03/1981CA1096919A1 Heating assemblies
03/03/1981CA1096730A1 Heating stove
02/1981
02/24/1981US4252520 Infra-red domestic furnace
02/17/1981US4250866 Thermal energy storage to increase furnace efficiency
02/04/1981EP0023211A1 Three wall forced air heating unit
01/1981
01/27/1981CA1094421A1 Wood burning stove
01/13/1981US4244349 Portable forced air heater
01/07/1981EP0020741A1 Portable forced air heater
01/06/1981US4243176 Sealing and air/fuel mixture flow metering plate for gas furnaces
01/06/1981CA1093132A1 Modular infrared space heater device
01/06/1981CA1092961A1 Indirect heat transfer apparatus
12/1980
12/30/1980US4241719 Heater stove apparatus
12/23/1980CA1092199A1 Microwave furnace for heating air
12/12/1980EP0016156A4 Porous vitreous carbon heater and method.
11/1980
11/26/1980EP0019376A1 A heating device employing a thermistor
11/18/1980US4233955 Fireplace and room heater
11/13/1980WO1980002454A1 A universal furnace
11/11/1980US4233494 Throughflow electric heater for fluids such as air
11/11/1980US4232651 Wood burning furnace
11/04/1980US4232211 Automobile auxiliary heater
11/04/1980US4231735 Radiant heater
11/04/1980CA1089023A1 Microwave heating method and apparatus
10/1980
10/28/1980US4230090 Heating stove
10/21/1980US4228783 Combustion heater
10/07/1980US4227068 Convector heater
10/01/1980EP0016156A1 Porous vitreous carbon heater and method
09/1980
09/23/1980US4223659 Forced air heater
09/23/1980CA1086366A1 Convector heater
09/23/1980CA1086210A1 Window heaters
09/16/1980US4223205 Central heating systems furnace having a self-contained electric steam heating unit
09/16/1980US4222364 Rear-loading dual mode furnace
09/16/1980CA1085694A1 Multi-fuel forced air furnace
09/03/1980EP0014788A1 Friction heat generator and method of generating heat in the same
09/02/1980US4220846 Method and apparatus utilizing a porous vitreous carbon body particularly for fluid heating
08/1980
08/26/1980CA1084405A1 Space heater
08/26/1980CA1084372A1 Ductless forced-circulation undercounter
08/19/1980US4218211 Energy recovery system
08/19/1980US4217878 Biomass fueled furnace
08/19/1980US4217877 Energy-saving forced-air furnace
08/19/1980US4217876 Heater
08/12/1980US4216823 Baseboard heating apparatus with cable carrier
08/12/1980US4216759 Auxiliary heater for vehicles
08/05/1980US4215669 Hot air furnace
07/1980
07/29/1980CA1082759A1 Alternative heating apparatus for use in a heating system having a fuel burner, particularly a forced- air central heating system
07/15/1980US4212233 Blower unit for wall heater having slotted front panel
1 ... 66 67 68 69 70 71 72 73 74 75 76 77 78