Patents for F24H 3 - Air heaters having heat generating means (7,733)
09/1989
09/27/1989EP0333739A1 Convector heating apparatus.
09/26/1989US4870253 Mobile apparatus for heating rooms
09/26/1989CA1260779A1 Method and device for the generation of hot air
09/19/1989US4867673 Condensing furnace
09/12/1989CA1259368A1 Electric resistance heater and limit switch assembly
09/06/1989CN2044053U Air changing type radiator
08/1989
08/30/1989CN2043736U Vertical hot-air furnace capable of returning smoke from two sides of the furnace
08/30/1989CN2043716U Domestic hot air heating arrangement
08/29/1989US4860725 Power burner-fluid condensing mode furnace
08/24/1989DE3804570A1 Space heater, in particular for heating saunas
08/23/1989EP0328893A1 Electric space heater
08/23/1989CN2043328U High-efficiency hot-blast machine
08/23/1989CN2043327U Hot-blast heating stove or range
08/17/1989DE3910247A1 Heating furnace for a hot air heating system having electrical heat generation for living rooms and lounges
08/17/1989DE3803696A1 Fan heater
08/15/1989US4857705 Wall mounted electric air heating device for drying or warming a person
08/15/1989US4856581 Heat exchanger unit formed of a plurality of modular units including connection couplers
08/08/1989US4855570 Electric fluid heating unit having radial PTC ceramic heating elements
08/03/1989DE3801879A1 Air-conveying device for a heating installation, in particular a tiled stove
08/03/1989DE3801585A1 Apparatus for heating rooms
08/02/1989CN2042174U Miniature warmer
08/01/1989US4852799 Weatherized, baffled, gas filtered, semi-automatic heating system for a poultry house or the like
07/1989
07/25/1989US4850859 Liquid fueled hydrogen heater
07/25/1989US4850264 Regulation of atmospheric conditions within a confined space
07/18/1989US4848313 Compact forced air heater
07/12/1989CN2041019U High-efficiency energy-saving heating stove
07/05/1989EP0322627A1 Apparatus for heating a current of gas
07/05/1989CN2040589U Multipurpose high-efficient coal stove
06/1989
06/22/1989DE3741663A1 Central heating boiler
06/21/1989EP0320966A1 Air flow heater unit, particularly for tumbler clothes driers
06/15/1989WO1989005426A1 Tungsten-halogen heater
06/08/1989DE3740074A1 Air heater
06/06/1989US4836183 Rotary body room air heater
06/06/1989US4836182 Gas burning heating device
06/06/1989US4836086 Apparatus and method for the mixing and diffusion of warm and cold air for dissolving fog
05/1989
05/30/1989US4835367 Portable electric radiant fan heater utilizing ceramic panel shielded halogen lamp
05/17/1989CN2037829U Domestic electrical radiant heater
05/17/1989CN2037828U Spraying air heater
05/10/1989CN2037422U Steam generator for bath cover
05/02/1989US4827105 Hand held hair dryer
04/1989
04/19/1989CN2036262U Air-electric twopurpose heating stove
04/05/1989CN2035447U Energy-saving electric heater for warming
03/1989
03/29/1989EP0309034A1 Gas burner
03/28/1989CA1251820A1 Oscillating louvre fan heater
03/22/1989EP0307460A1 Compact forced air heater
03/22/1989CN2034669U Gas burner for warming
03/14/1989US4811723 Method and a device for the generation of hot air
03/07/1989US4809593 Portable fan device for forced air heating
03/02/1989DE3727345A1 Air-conditioning ventilator combination for heating and cooling motor vehicles and rooms
03/01/1989CN2033483U Plate type heat-tube electric heating
03/01/1989CN2033482U Coal tube type warm-air stove
02/1989
02/28/1989US4807588 Water permeable heat exchanger for condensing furnace
02/23/1989WO1989001592A1 A device in hot-air units
02/15/1989CN2032689U Dexterous hot-blast heater
02/08/1989CN2032296U Sub-header high-temp. hot-air furnace
02/08/1989CN1030974A Gas warm-air machine
01/1989
01/26/1989DE3723326A1 Electrical energy economiser convector as radiator (stationary and portable) for heating dwellings and offices, as well as mobile rooms
01/10/1989US4797535 Tungsten-halogen heater
01/04/1989CN2030293U Heat blow, reversed flame and heat preservation coal stove
01/03/1989US4794908 Gas-fired heater means
01/03/1989CA1247842A1 Method and apparatus for manufacturing a furnace heat exchanger and plate assembly
12/1988
12/29/1988DE3816635A1 Verfahren und vorrichtung zum beheizen von gegenstaenden Method and device for heat articles
12/27/1988US4794225 Tube axial handheld blow dryer for hair
12/27/1988US4793322 Direct-vented gas fireplace
12/21/1988CN88219638U Hot-air cylinder
12/21/1988CN88202417U Small type high efficiency warm-air stove
12/15/1988DE3818729A1 Hot-cold air converter
12/13/1988US4791274 Electric finned-tube baseboard space heater employing a vaporized working fluid
11/1988
11/30/1988EP0292547A1 Control device for heating apparatus having two operation modes
11/30/1988EP0292531A1 Electric heating convector with double operation mode
11/29/1988CA1245545A1 Method and apparatus for applying heat to articles and materials
11/23/1988EP0292441A1 Mobile apparatus for heating rooms
11/23/1988CN88204234U Independent hot-blast machine
11/17/1988WO1988008758A1 Device for supplying a flow of heated air
11/15/1988US4785162 Multiple-function electric dryer having an adjustable position discharge nozzle
11/15/1988US4784110 Wall furnace
11/09/1988EP0289635A1 Electric fan heater
11/01/1988US4782213 Ceiling fan electrically heating environmental air
10/1988
10/26/1988CN87213608U Spurt-hot pipe type hot-blast stove
10/25/1988US4780595 Body dryer
10/25/1988US4779676 Condensing furnace
10/12/1988CN87216988U Two-circuit indirectly-heating hot-blast stove using metal body and burnt coal
10/06/1988WO1988007651A1 Compact forced air heater
10/05/1988EP0285171A2 Surface radiator
09/1988
09/22/1988DE3708056A1 Heating element for heating flowing media
09/21/1988EP0282860A2 Method and laying out for applying heat to the surface of a work piece
09/21/1988EP0282849A1 Device for generating hot gas for shrinking plastic sheets
09/21/1988CN87215575U Box type electric warmer for heat protection
09/14/1988EP0282085A1 Heating element for fluids
09/14/1988EP0281551A1 Apparatus for the oxidation of particles suspended in the air.
09/07/1988EP0281401A2 Finned-tube space heater
09/06/1988US4768495 Heating apparatus and method
09/06/1988CA1241589A1 Space heater
09/01/1988DE3705871A1 Hot-air generator
08/1988
08/24/1988CN88210719U High efficient changing heating tube type energy saving electric central heating
08/24/1988CN87214418U Warm air stove heated by fuel gas
08/16/1988CA1240609A1 Pulsing combustion
08/10/1988CN87217218U Flameless combustion heater for killing mosquito and heating
08/10/1988CN87214006U Central warm air heater by heating air with coal
08/09/1988US4762488 Portable gas-fired forced-draft heater
1 ... 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78