| Patents for F24H 3 - Air heaters having heat generating means (7,733) |
|---|
| 11/13/1991 | EP0456173A1 Forced-convection air heater element for clothes dryers |
| 11/13/1991 | EP0198858B1 Fireproof cabinet system for electronic equipment |
| 11/05/1991 | US5062409 Hot-air furnace |
| 10/31/1991 | WO1991016579A1 Electric fan for heating and humidifying |
| 10/30/1991 | CN2087760U Energy-saving hot-air furnace |
| 10/29/1991 | US5061177 Method and apparatus for heating a flow of gaseous fluid by successive thermal exchanges |
| 10/29/1991 | US5060722 Furnace heat exchanger |
| 10/23/1991 | CN2087323U Radiator |
| 10/23/1991 | CN2087313U Energy-saving smokeless stove for curing tea-leaves |
| 10/22/1991 | US5058217 Water closet blowing warm air and water closet unit attachable to toilet room |
| 10/15/1991 | US5058196 Electric infrared heater having a gas permeable electroformed porous metallic panel coated with a porous ceramic far-infrared radiating layer |
| 10/15/1991 | US5058193 Electric hair-dryer adapted to be mounted on the back of a hand |
| 10/15/1991 | US5057672 Radiator having ptc electric resistance heating elements and spring-biased fin arrangement |
| 10/15/1991 | US5056501 Combustion heater |
| 10/09/1991 | EP0451032A1 Heater combining a radiating decorative panel and a functional element with an electric resistor |
| 10/09/1991 | CN1055234A Equipment for geothermal heating and water supply |
| 10/02/1991 | CN2085933U Vacuum electrothermic warming device using acetone as evaporating agent |
| 10/01/1991 | US5052367 Ventilating heater |
| 09/25/1991 | CN2085508U Steam driven heat tube type hot air generator |
| 09/24/1991 | US5050796 Fuel preheating device for a heater |
| 09/22/1991 | CA2012869A1 Black heat portable electric furnace |
| 09/10/1991 | US5047786 Electric heating apparatus utilizing dual chambers for heating by convection |
| 09/10/1991 | US5046481 Heating apparatus |
| 09/10/1991 | US5046480 Compression furnace |
| 09/07/1991 | CA2011615A1 Instant heating system for motor vehicles and the like |
| 09/03/1991 | US5044940 Blast furnace air heater |
| 08/27/1991 | US5042453 Compact, high efficiency heat exchanger for a fuel-fired forced air heating furnace |
| 08/27/1991 | US5042267 Combination evaporator and radiant heater defrost means |
| 08/21/1991 | EP0442841A2 Improved direct gas-fired burner assembly |
| 08/13/1991 | US5038751 Direct fired unit heater |
| 08/13/1991 | US5038750 Air heating apparatus |
| 08/08/1991 | WO1991011665A1 Heat generator-exchanger |
| 08/06/1991 | US5036829 Heating apparatus |
| 07/25/1991 | DE4001999A1 Air heater using IR radiation and heat pipes - divided into passive and active pipes to increase heat transfer surface |
| 07/24/1991 | CN2081510U Coal hot-blast stove |
| 07/18/1991 | DE4100523A1 Car air-conditioning burner - has cover incorporating wick support and fuel passage to it |
| 07/10/1991 | EP0436085A1 An air heating apparatus for packaging materials, provided with means for recirculation of the heated air |
| 07/10/1991 | CN2080643U Front hood of electrothermal fan |
| 07/10/1991 | CN2080642U Hot-air heating device for domestic animals and poultry houses |
| 07/02/1991 | US5028683 Electron-beam curable polyurethane compositions; and method |
| 06/12/1991 | EP0431446A1 Heat exchange assembly for unit heaters |
| 06/12/1991 | CN1052086A Heating apparatus for packaging materials |
| 06/11/1991 | US5023925 Hot air hand welding device |
| 06/11/1991 | US5022851 Fuel pre-heater for liquid fueled engine |
| 06/11/1991 | US5022379 Coaxial dual primary heat exchanger |
| 05/29/1991 | DE3939055A1 Environmental room heater heating system - has heating element radiating heat to water contained in wall holder and covered by filter |
| 05/29/1991 | DE3938895A1 Pig iron electro heating plate - is suitable for stationary or portable use with new heat surface on rear provided by corrugated metal plate |
| 05/17/1991 | CA2003238A1 Electrically heated sauna oven |
| 05/16/1991 | DE4015639A1 Mit elektromagnetischen wellen arbeitende heizvorrichtung With electromagnetic waves working heater |
| 05/15/1991 | EP0426919A1 Hot gas soldering system |
| 05/15/1991 | CN2077096U Mine combined hot-blast stove |
| 05/08/1991 | DE3936933A1 Heating device for gas in fluid flow - has insulating plastics housing incorporating connection cables for supplying enclosed electrical heating element |
| 05/07/1991 | US5014339 Device for heating up a flow of gas |
| 04/23/1991 | US5009592 Hot air generating device with a catalytic burner |
| 04/18/1991 | DE3934547A1 Convection heater with electrical resistive heating element - made of specified PTC material with angular position control setting air passage opening |
| 04/16/1991 | CA1282991C Regulation of atmospheric conditions within a confined space |
| 04/09/1991 | US5005556 Efficient gas hot-air furnace and heating process |
| 04/02/1991 | CA1282315C Fuel operated vehicle heater |
| 03/27/1991 | EP0418236A1 A device in hot-air units |
| 03/27/1991 | CN2073999U Horizontal high-efficiency hot-blast stove |
| 03/20/1991 | EP0417309A1 Fan heater controller |
| 03/05/1991 | US4996972 Hot air heat gun |
| 02/28/1991 | DE3928352A1 Gas-fired heater esp. for vehicular passenger accommodation - incorporates electrically-insulating bushings and ring for gas mixing and filtering insert for flame monitoring |
| 02/27/1991 | EP0413942A2 Heating device |
| 02/27/1991 | CN1049554A Energy-saving free of smoke range for tea curing |
| 02/26/1991 | US4995376 Pulse furnace |
| 02/26/1991 | CA1280742C Heat exchanger |
| 02/20/1991 | EP0413411A1 Hot-air furnace |
| 02/19/1991 | US4993944 Direct gas-fired burner assembly |
| 01/29/1991 | US4988847 Electrically heated air blower unit for defogging bathroom mirrors |
| 01/29/1991 | US4987881 Fuel burning furnace |
| 01/24/1991 | WO1991000811A1 Portable vehicle heater |
| 01/22/1991 | US4987290 Electric panel heater with uniform emissions of infrared rays and warm air |
| 01/09/1991 | EP0406359A1 Protective device for extracting impurities |
| 01/08/1991 | US4982785 Serpentine heat exchanger |
| 01/02/1991 | EP0406181A1 Protected multi-functional thermoelectrical apparatus for generating a jet of hot air |
| 01/02/1991 | EP0405621A2 Recuperative furnace |
| 01/02/1991 | CN2068663U Vertical hand reciprocatable coal-feeding hot blast boiler |
| 01/02/1991 | CN2068662U Heat supperconductive convection electrical heater |
| 01/02/1991 | CN2068661U Reverse flame phase-change heat-transfer pipe air boiler |
| 12/20/1990 | DE3919515A1 Radiator for central heating system - is made from light alloy extrusion, containing several tubes |
| 12/19/1990 | EP0402436A1 Heating appliance |
| 12/12/1990 | CN2067388U Small-size coal-combustion hot-air furnace |
| 12/09/1990 | WO1990015291A1 An efficient gas hot-air furnace and heating process |
| 12/09/1990 | CA2058621A1 Efficient gas hot-air furnace and heating process |
| 12/04/1990 | US4974579 Induced draft, fuel-fired furnace apparatus having an improved, high efficiency heat exchanger |
| 11/28/1990 | EP0241494B1 Device for heating rooms uniformly |
| 11/28/1990 | CN2066565U Step series type electrothermic air tube |
| 11/08/1990 | DE3914908A1 Enclosed air heater - has components in firm of clamped pocket modules, readily adaptable to different flow direction and constraints |
| 11/06/1990 | US4967726 Space heating and ventilation systems for buildings |
| 10/31/1990 | EP0395457A1 Process and apparatus for heating a flow of a gaseous fluid by successive heat exchanges |
| 10/31/1990 | CN1046598A Heat exchanger |
| 10/24/1990 | EP0393937A2 Heat exchanger |
| 10/24/1990 | EP0393119A1 Tungsten-halogen heater |
| 10/24/1990 | CN2064483U Fuel warmers using infrared rays |
| 10/23/1990 | US4965432 Portable vehicle heater |
| 10/18/1990 | DE3912099A1 Grey cast iron electric heating plate - has cast heating members and integral cast steel tube in which heating element is replaceably inserted |
| 10/03/1990 | EP0390326A2 Gas heating unit and electrical control circuit therefor |
| 10/03/1990 | CN2063208U Honeycomb type hot-blast heater |
| 10/02/1990 | US4960102 Fuel-fired condensing type forced air heating furnace |