Patents
Sitemap › F24 - Heating; Ranges; Ventilating › F24D - Domestic- or space-heating systems, e.g. central heating systems; Domestic hot-water supply systems; Elements or components therefor › F24D 9 - Central heating systems employing combinations of heat-transfer fluids covered by two or more of groups
Patents for F24D 9 - Central heating systems employing combinations of heat-transfer fluids covered by two or more of groups (211)
03/2007
03/14/2007CN2878991Y Condensate water recycling device in steam heat exchange station
12/2006
12/21/2006US20060285572 Process container with cooling elements
11/2006
11/16/2006WO2006122311A2 Microfluidic chip
03/2006
03/08/2006CN1244773C Heat pump type hot water heating system
02/2006
02/22/2006EP1627195A1 Process container with cooling elements
12/2005
12/22/2005US20050279343 Heat source for radiant heating system
12/15/2005WO2005119014A1 Remote-heating plant for urban, civil, industrial and agricultural applications
12/01/2005CA2473359A1 Radiant heating system using forced air furnace as heat source
04/2005
04/13/2005CN2692543Y Multifunctional heating device
12/2004
12/16/2004US20040251310 Energy system
12/16/2004DE10323944A1 Prozessbehälter mit Kühlelementen Process with cooling elements
12/09/2004WO2004106831A1 Process container with cooling elements
08/2004
08/10/2004US6772712 Energy system
06/2004
06/23/2004CN1506624A Heat pump type hot water heating system
04/2004
04/01/2004US20040060522 Energy system
12/2003
12/23/2003US6666172 Energy system
07/2003
07/16/2003CN1114794C Stepped circulating heat supply system
03/2003
03/13/2003US20030047144 Energy system
08/2002
08/29/2002DE10103773A1 Öl-Wasser Elektrokombinationsheizung Oil-water combination electric heating
08/28/2002CN2508152Y Small central heating system
09/2001
09/12/2001CN2447664Y Strong radiator with full-sealed cover
07/2001
07/10/2001US6259072 Zone controlled radiant heating system utilizing focused reflector
05/2001
05/16/2001EP1100114A2 Zone controlled radiant heating system utilizing focused reflector
05/02/2001CN2428717Y Heat-conductive oil multi-temp. control apparatus for industrial use
09/2000
09/21/2000DE19910690A1 Radiator holder comprises plate with two sections, support edge, fixture as spacer piece, support and head pieces
03/2000
03/21/2000CA2073337C Method and device in closed heating plants
01/2000
01/26/2000CN2360763Y Gas medium heating appts.
01/19/2000CN2359594Y Rotary stop apparatus for no-water-tank direct connecting heating system of high building
01/12/2000CN1240912A Stepped circulating heat supply system
11/1999
11/10/1999CN2348281Y Body-warming machine for floor-warming, shower and steam bath
08/1999
08/04/1999CN2331887Y Modular pressureless heating device
03/1999
03/03/1999EP0672231B1 Method and arrangement for air-conditioning and heating room space
11/1998
11/26/1998DE19720971A1 Air-heater for controlled ventilation of building
09/1998
09/30/1998CN1194358A Heat exchanging heating machine set with coal burning heat-conducting oil heating furnace
07/1997
07/09/1997CN1035366C Grinding tool with fan-shaped laminated end face
06/1997
06/04/1997CN2255576Y Multi-function domestic boiler
04/1997
04/09/1997CN2251683Y High thermal efficiency energy-saving steam jet heat exchanger
11/1996
11/12/1996US5573183 Method and apparatus for heating building and ventilation air
10/1996
10/16/1996EP0629275B1 Method and apparatus for heating building and ventilation air
02/1996
02/14/1996CN2220029Y Multipurpose health-care heater
09/1995
09/20/1995EP0672231A1 Method and arrangement for air-conditioning and heating room space
07/1995
07/05/1995EP0536133B1 Method and device in closed heating plants
12/1994
12/21/1994EP0629275A1 Method and apparatus for heating building and ventilation air.
07/1994
07/05/1994US5325821 Method and device in closed heating plants
06/1994
06/23/1994WO1994014011A1 Method and arrangement for air-conditioning and heating room space
06/23/1994CA2150696A1 Method and arrangement for air-conditioning and heating room space
02/1994
02/15/1994CA2028771C Integrated hot water supply and space heating system
09/1993
09/16/1993WO1993018350A1 Method and apparatus for heating building and ventilation air
09/16/1993CA2131443A1 Method and apparatus for heating building and ventilation air
07/1993
07/28/1993CN2139235Y Multipurpose heat-accumulation high-efficiency coal-saving stove
04/1993
04/14/1993EP0536133A1 Method and device in closed heating plants.
03/1993
03/10/1993CN1069801A Lamellar and grinding tool
12/1992
12/10/1992DE4217083A1 Central heating system for small houses - comprises combination of floor heating circuits and warm air circulation units, combination being fed by single fluid heating sources
09/1992
09/02/1992EP0365586B1 Ventilation equipment and method
08/1992
08/13/1992DE4100674A1 Combined heating and ventilating system - comprises circuits boosted by heat exchangers and pump and controlled by valves
06/1992
06/03/1992EP0488064A1 Process for heating a building.
07/1991
07/23/1991US5033361 Ventilation equipment
07/09/1991WO1991010868A1 Method and device in closed heating plants
01/1991
01/30/1991EP0196298B1 Method and device for operation of a heating plant
12/1990
12/11/1990US4976464 Fuel-fired heat pump system
11/1990
11/28/1990EP0241494B1 Device for heating rooms uniformly
09/1990
09/10/1990CA2011847A1 Fuel-fired heat pump system
08/1990
08/21/1990US4950871 Arrangement for heating rooms uniformly trough the equalization of the temperature distribution between the ceiling and the floor regions
07/1990
07/18/1990CN2059493U Double-purpose self-making central heating device
05/1990
05/02/1990EP0365586A1 Ventilation equipment and method.
03/1990
03/13/1990CA1266571A1 Hot water heating and defrost in a heat pump circuit
06/1989
06/07/1989CN1004441B Steam and hot water combined heating system
01/1989
01/12/1989DE3721454A1 Heating plant
12/1988
12/29/1988WO1988010402A1 Ventilation equipment
11/1988
11/22/1988CA1245116A1 Method and device for operation of a heating plant
02/1988
02/03/1988CN87203296U Domestic cold-warm airing device
10/1987
10/21/1987EP0241494A1 Device for heating rooms uniformly.
09/1987
09/11/1987WO1987005378A1 Central heating system composed of a plurality of water systems located in every living spaces of a building respectively
08/1987
08/18/1987US4687133 Method and device for operation of a heating plant
04/1987
04/16/1987DE3536476A1 Improved installation for heating rooms
03/1987
03/26/1987WO1987001794A1 Device for heating rooms uniformly
03/03/1987US4646537 Hot water heating and defrost in a heat pump circuit
01/1987
01/31/1987CN86101862A Steam and hot water combined heating system
01/29/1987DE3525478A1 Device for heating rooms
01/08/1987DE3524210A1 Method for ventilating and more rapid control of rooms with floor heating
10/1986
10/08/1986EP0196298A1 Method and device for operation of a heating plant.
07/1985
07/24/1985EP0148988A2 Process and apparatus for heating the air, especially for dwellings
05/1985
05/23/1985WO1985002247A1 Method and device for operation of a heating plant
04/1985
04/10/1985EP0054050B1 Method and device for controlled heat transmission from a primary steam circuit to a heat consumer
11/1984
11/13/1984CA1177935A1 Heating and airconditioning system
11/06/1984US4480785 Method and apparatus for the regulated transfer of heat from a primary steam network to a heat consumer
10/1984
10/16/1984US4477021 Method and apparatus for a regulated heat transfer from a primary steam network to a heat consumer
04/1984
04/11/1984EP0060290B1 Method and device for the controlled heat exchange between a primary steam circuit and heat consumer
11/1983
11/01/1983US4412509 Energy conversion system and components thereof
10/1983
10/18/1983US4410131 Heating and air conditioning system
07/1983
07/20/1983EP0083726A1 Installation for air heating
10/1982
10/13/1982EP0062297A2 Installation for heating and ventilation
09/1982
09/22/1982EP0060290A1 Method and device for the controlled heat exchange between a primary steam circuit and heat consumer.
06/1982
06/23/1982EP0054050A1 Method and device for controlled heat transmission from a primary steam circuit to a heat consumer.
06/09/1982EP0053403A1 Ventilation and heating device for single rooms or the like
04/1982
04/01/1982WO1982001057A1 Method and device for the controlled heat exchange between a primary steam circuit and heat consumer
12/1981
12/24/1981WO1981003680A1 Method and device for controlled heat transmission from a primary steam circuit to a heat consumer
08/1981
08/18/1981US4284130 Heating installation having a radiation- and convection floor heater
04/1981
04/28/1981CA1100007A1 Heating system utilizing fuel bearing multi-tube water jacket
03/1981
03/17/1981US4256081 Air circulation and humidification system for stoves
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