Patents
Sitemap › F24 - Heating; Ranges; Ventilating › F24H - Fluid heaters, e.g. water or air heaters, having heat-generating means, in general › F24H 6 - Combined water and air heaters
Patents for F24H 6 - Combined water and air heaters (438)
03/1999
03/03/1999EP0776445A4 Combination water heating and space heating apparatus
02/1999
02/10/1999CN2307244Y High efficiency hot-air stove using liquid as heat-transfer medium
01/1999
01/16/1999CA2243063A1 Improved heater for liquids
12/1998
12/30/1998CN2302474Y Electric water heater
12/02/1998EP0880660A1 Heating apparatus and method for operation thereof
11/1998
11/12/1998DE19806925A1 Radiation heat room heating system
11/11/1998EP0877208A2 Radiating space heating system
10/1998
10/14/1998CN2294425Y Gas combustion combined water and air heater
09/1998
09/30/1998EP0867667A2 Oil radiator equipped with heat exchanger for the production of hot water
09/30/1998CN2293030Y Multipurpose hot air furnace
09/30/1998CN2293027Y Energy-saving hot air boiler
09/02/1998CN2289996Y Hot oil, hot-bast stove
09/01/1998US5799620 For transforming heat of combustion from a burner into useful heat
08/1998
08/19/1998CN2288391Y Electrothermic device for heating water and jetting hot air
06/1998
06/03/1998CN2283215Y Electric heating type dual-purpose machine for heating and shower
05/1998
05/14/1998WO1998020287A1 Heating apparatus and method for operation thereof
05/14/1998CA2241944A1 Heating apparatus and method for operation thereof
03/1998
03/18/1998CN2276619Y Multifunction electric water heater
11/1997
11/05/1997CN2266720Y Microgap steam heater
10/1997
10/30/1997WO1997040317A1 Heat generator-recovery unit
09/1997
09/23/1997CA2172416A1 Combined hot water and space heater
06/1997
06/04/1997EP0776445A2 Combination water heating and space heating apparatus
03/1997
03/05/1997CN2248847Y Heater for water or air
02/1997
02/05/1997CN2246780Y Wet-heat air generating furnace
01/1997
01/15/1997CN2245197Y Dual-purpose atmospheric stove with water and air heater
12/1996
12/03/1996US5579756 Combination heater
08/1996
08/21/1996CN2233545Y Heating, drying and blowing electric heating shower
08/13/1996US5544645 Combination water heating and space heating apparatus
07/1996
07/31/1996CN2232125Y Water tank type shower bath with heating device
06/1996
06/05/1996CN2228639Y Bathroom pre-heater
04/1996
04/11/1996WO1996006309A3 Combination water heating and space heating apparatus
04/03/1996CN2223826Y Water heater and being giving warm wind simultaneously
02/1996
02/29/1996WO1996006309A2 Combination water heating and space heating apparatus
02/29/1996CA2197174A1 Combination water heating and space heating apparatus
11/1995
11/29/1995CN2213959Y Multifunction bathtub
07/1995
07/26/1995CN1105747A Multifunctional quick-acting electric water heater
05/1995
05/09/1995US5413279 Vehicle heating
03/1995
03/01/1995EP0640200A1 Quick operating heat exchanger device
03/01/1995CN2190766Y 常压热水热风锅炉 Pressure hot water boiler
01/1995
01/11/1995EP0633434A1 Combination heating apparatus
11/1994
11/08/1994US5361751 Combination hot air furnace and hot water heater
10/1994
10/11/1994CA2002488C Forced draft direct vent system for a water heater
01/1994
01/15/1994CA2073853A1 Fireplace furnace heating system
12/1993
12/28/1993US5273209 Heat exchange and fuel feed apparatus for vertical furnace
11/1993
11/18/1993EP0462154B1 Vehicle heating
11/10/1993CN2145957Y Enclosed water cycling warming machine
07/1993
07/06/1993US5224650 Fireplace furnace heating system
06/1993
06/24/1993WO1993012389A1 Quick operating heat exchanger device
06/24/1993DE4217546A1 Domestic water heater with water tank inside insulated casing - has vertical air duct through tank with cold air inlet at bottom and warm air outlet at top
01/1993
01/14/1993DE4121953A1 Combined low temp. heating system and domestic hot water supply - includes a container with heat exchanger and a fuel fired boiler with a pump and heat exchanger with control valve
06/1992
06/02/1992US5118039 Domestic hot water heating control circuit for furnace control systems
01/1992
01/08/1992CN1057714A Multifunctional electro-heating shower bath
12/1991
12/27/1991EP0462154A1 Vehicle heating.
12/24/1991US5074464 Forced draft direct vent system for a water heater
10/1991
10/31/1991WO1991016572A1 Heat exchanger
09/1991
09/17/1991CA1289023C Integral liquid-backed gas-fired space heating and hot water system
09/10/1991US5046478 Recuperative furnace system for space air and domestic hot water
08/1991
08/13/1991US5039007 Water and air heating system
07/1991
07/04/1991DE3943335A1 Combined, compact car heater with heat exchangers
06/1991
06/27/1991WO1991009257A1 A device in heating apparatuses
05/1991
05/21/1991US5016577 Heat exchanger
11/1990
11/20/1990US4971025 Gas-powered apparatus for producing warm water and for heating an enclosed space
09/1990
09/08/1990WO1990010552A1 Vehicle heating
09/08/1990CA2049039A1 Vehicle heating
06/1990
06/27/1990EP0374878A2 Gas-powered apparatus for producing warm water and for heating an enclosed space
05/1990
05/15/1990US4925093 Forced draft direct vent system for a water heater
03/1990
03/20/1990US4909190 Boilers
01/1990
01/09/1990US4893113 Gas alarm and detoxification heating systems
11/1989
11/29/1989EP0343937A1 Boilers
09/1989
09/26/1989CA1260901A1 Method of heating any building or room and apparatus for carrying out the said method
09/13/1989EP0332039A2 Heater
08/1989
08/23/1989CN2043327U Hot-blast heating stove or range
08/10/1989DE3802407A1 Apparatus for heating rooms
08/03/1989DE3801437A1 Heating boiler with pulsation burner
07/1989
07/26/1989EP0324881A1 Household water heater
05/1989
05/02/1989US4825847 Air furnace system
04/1989
04/26/1989EP0312689A1 Heater
03/1989
03/02/1989DE3727372A1 Heating boiler or condensing boiler
03/01/1989EP0304508A1 Oil or gas fired condensing boiler
10/1988
10/25/1988US4779795 Convector room heater incorporating a hot water boiler
09/1988
09/28/1988EP0284142A1 Device for a building with provisions for the discharge of exhausted air, the supply of fresh air and the heating of the rooms of the building
09/21/1988CN87216545U Liquid and gas mixer
09/01/1988DE3705871A1 Hot-air generator
08/1988
08/24/1988EP0279767A2 Integral liquid-backed gas-fired space heating and hot water system
08/02/1988CA1239841A1 Method of producing hot air and hot water for sanitary purposes and apparatus for carrying out the said method
06/1988
06/07/1988US4748968 Gas fired device for generating heat for dwelling
04/1988
04/19/1988US4738394 Integral liquid-backed gas-fired space heating and hot water system
04/06/1988EP0262263A1 An air heating apparatus
10/1987
10/20/1987US4700686 Heating apparatus
05/1987
05/05/1987US4662350 Heating apparatus for a water heating for small rooms
04/1987
04/29/1987CN86202208U Thermal insulation hood with source
03/1987
03/12/1987DE3531634A1 Electric hot-water accumulator
02/1987
02/03/1987US4640458 Method of producing hot air and hot water for sanitary purposes and apparatus for carrying out the said method
01/1987
01/27/1987US4638943 Method of heating any building or room and apparatus for carrying out the said method
10/1986
10/29/1986EP0199124A2 Device for the production of hot water
09/1986
09/24/1986EP0195383A2 Condensing boiler
09/17/1986EP0194975A2 Radiating heating installation
08/1986
08/06/1986CN85203231U Multi-functional refrigerator
02/1986
02/19/1986EP0172087A1 Apparatus for the production of hot air and domestical hot water
02/19/1986EP0172086A1 Apparatus for heating a building or a room
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