Patents for F24H 3 - Air heaters having heat generating means (7,733)
03/1994
03/22/1994US5296678 Vehicle sun visor having an electric fan and heater assembly for clearing the vehicle windshield
03/22/1994US5295473 Furnace
03/22/1994CA2029546C Fuel-fired condensing type forced air heating furnace
03/02/1994EP0585100A2 Furnace apparatus
03/02/1994CN2158060Y Coal-fired efficiency indirect heating hot-air furnace
03/02/1994CN1083203A Hot-air central heating boiler and heat supply system thereof
03/01/1994US5290200 Detection and evacuation of atmospheric pollutants from a confined work place
03/01/1994US5290188 Inlet and damper system for airhouses
03/01/1994US5289696 Modular evaporative humidification device
03/01/1994CA2104720A1 Furnace apparatus
02/1994
02/16/1994CN1082176A Directly-heated hot-blast furnace by burning coal
02/15/1994CA2020334C Induced draft warm air furnace with radiant infrared burner
02/10/1994DE4225719A1 Portable electric space heater combining convector and radiator - utilises infrared reflecting coatings on inside walls of cubical body having two incandescent tubular convectors at centre
02/01/1994US5282457 High efficiency gas furnace
01/1994
01/19/1994EP0578851A1 Method of filling electrically heated radiators
01/19/1994EP0524168B1 Electric fan for heating and humidifying
01/12/1994CN2153016Y Efficient energy-saving air-heating stove
01/11/1994US5278936 Thermostatically controlled portable electric space heater with automatic temperature setback for energy saving
01/11/1994CA2051804C Solid fuel burning stove
01/05/1994CN2152182Y Tube changeable combined hot wind furnace
12/1993
12/29/1993EP0575649A1 Radiator
12/28/1993US5273210 Room heating arrangement
12/28/1993US5273209 Heat exchange and fuel feed apparatus for vertical furnace
12/22/1993CN2150492Y Steam heating device
12/21/1993US5271376 Serpentined tubular heat exchanger apparatus for a fuel-fired forced air heating furnace
12/14/1993CA1325235C Porous electric heating element incorporating perforated and/or notched metal plates
11/1993
11/25/1993DE4216951A1 Space heater for use in homes or offices - has thermostat-controlled resistance heating elements switched in parallel until desired surface temp is obtained or alternatively in series until desired power is reached
11/24/1993EP0570642A1 Heat exchanger
11/17/1993CN2146678Y Multi-functional heating humidifier
11/16/1993US5262619 Heating device with PTC resistors non-abrasively positioned in a metallic heat body for heating flowing media
11/03/1993EP0568464A1 Heater, in particular towel dryer with electric heating cord
11/03/1993CN2145348Y Rotational flow metal hot-blas-air furnace
10/1993
10/26/1993US5256857 Finned PTC air heater assembly for heating an automotive passenger compartment
10/20/1993EP0417309B1 Fan heater controller
10/19/1993US5253635 Gas-fired heater
10/05/1993US5251281 Stabilizing means
10/05/1993US5249956 Multifuel heater
09/1993
09/29/1993CN1076771A System for controlling heat quantity of burner
09/23/1993DE4208951A1 Hot gas producing heater - has burner using heat value of poor gas for heating process air with heat passing through hole cover for application to air
09/22/1993CN2142546Y Household coal or gas fired warm-air supplier
09/14/1993US5245692 Portable hemispheric electric space heater with circumferential filtered warm air discharge
09/07/1993US5243683 Laminar streamflow-guided hair dryer with finned PTC heating means
08/1993
08/25/1993EP0556433A1 Oil radiator structure particularly for heating rooms
08/25/1993CN2140611Y Electric baking oven used for air-heater
08/25/1993CN1075543A Oil radiator structure particularly for heating rooms
08/24/1993US5239610 Wall mounted plug-in electric space heater with mounting clip for preventing accidental unplugging
08/24/1993US5239163 Automobile air heater utilizing PTC tablets adhesively fixed to tubular heat sinks
08/10/1993US5235668 Portable electric space heater with air cooled outer wall surfaces
08/03/1993CA1320945C Space heating and ventilating systems for buildings
07/1993
07/08/1993WO1993013360A1 Gas-fired heaters with burners which operate without secondary air
06/1993
06/29/1993US5222476 Low NOx aspirated burner apparatus
06/16/1993CN2136429Y Drying and heating device
06/09/1993EP0544853A1 Air heater.
05/1993
05/26/1993EP0542785A1 Adjustable panel and mounting assembly.
05/25/1993US5214740 Portable electric heating apparatus for supplying heated dry non-flammable gas to an applicator gun
05/19/1993CN2133768Y Directly heating hot-blast stove
05/05/1993CN2132125Y Hot-blast stove
04/1993
04/28/1993CN2131070Y Down-combustion type energy-saving hot-air stove
04/28/1993CN2131069Y Heat-pipe type coal air-heater
04/28/1993CN2131068Y Multifunctional household air-warmer
04/27/1993US5206476 Supplementary automobile duct heater
04/27/1993US5205276 Compact furnace heat exchanger
04/24/1993CA2081158A1 Electric heating device with heating element in enameled sheet including a temperature-compensated resistive lining
04/14/1993CN2129905Y Anti-explosive fresh air heating machine group
04/14/1993CN2129904Y 太阳能空气加热器 Solar air heater
04/13/1993US5201651 Construction heater and method of manufacture of heater
04/07/1993CN2129393Y Colour-vapour humidifying ceramic warm blowing machine
04/06/1993US5199416 Hot air heat exchanger
03/1993
03/23/1993US5197111 Convection heater with heating elements arranged in a stair step configuration
03/16/1993US5195164 Electric heater/blowers with selectively-locked output variable heat and blower controls
03/10/1993EP0531092A1 Hot-air blower
03/10/1993EP0530525A1 Device for heating streaming media
02/1993
02/24/1993CN2127480Y Air heater of drying tower
02/18/1993WO1993002768A1 A method for purifying gas distribution systems
02/14/1993CA2075768A1 Electric stove
02/13/1993CA2075689A1 Heating device for heating flowing media
02/10/1993CN2126902Y Vertical spiral plate coal hot-blast stove
02/10/1993CN1068882A Hot-air generator with multiple kinds of energy output
02/09/1993US5184600 Regulating the humidity of a heated space by varying the amount of moisture transferred from the combustion gases
02/09/1993US5184355 Water closet blowing warm air and water closet unit attachable to toilet room
02/04/1993WO1993002323A1 Environmental control in a confined workplace
02/02/1993CA1313337C Fuel pre-heater for liquid fueled engine
01/1993
01/27/1993EP0524168A1 Electric fan for heating and humidifying.
01/20/1993EP0524128A1 Steam generator, usable as a heater and a boiler
01/13/1993CN2126555Y Bulkhead convolution type gas hot-air heating farnace
01/12/1993US5178651 Method for purifying gas distribution systems
01/12/1993US5178124 Plastic secondary heat exchanger apparatus for a high efficiency condensing furnace
01/07/1993WO1993000781A1 A microwave heating method and a relative microwave heating device
01/05/1993CA1312348C2 Furnace inducer outlet elbow
12/1992
12/29/1992US5174271 Heat exchanger with unitary air intake and exhaust member for an air conditioner
12/23/1992EP0519303A1 Hot air heat exchanger
12/16/1992EP0518007A1 Burner device
12/09/1992CN2124430U Multipurpose thermal tube type atmospheric stove
12/02/1992CN2123733U Two-purpose machine for stoving and warming
11/1992
11/26/1992WO1992020975A1 Air heater
11/26/1992DE4116692A1 Waermetauschereinsatz fuer luftheizgeraete Waermetauschereinsatz for luftheizgeraete
11/24/1992US5165386 Compact gas-fired air heater
11/17/1992US5164626 Coil element and heat generating motor assembled therefrom
11/17/1992US5163234 Hand drier control apparatus
11/11/1992CN2121653U Drying oven
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