Patents for F24D 5 - Hot-air central heating systems; Exhaust-gas central heating systems (1,847)
04/1996
04/11/1996WO1996010720A1 Heaters
04/11/1996CA2201167A1 Heaters
04/10/1996CN2224363Y Convection-type oil-combustion heating device
04/03/1996CN2223787Y Fan for cold or warm wind
03/1996
03/20/1996CN2222872Y Air warming fan for bathroom
03/13/1996CN2222314Y Indoor warming device
03/13/1996CN1118424A Hot air supplying machine
02/1996
02/21/1996CN2220602Y Water-warmed warming apparatus for bathe
01/1996
01/17/1996CN2217752Y Convection and radiation type electric heating device
01/03/1996CN2216651Y Rapid heating tube warming machine
01/02/1996US5479912 Space heating appliances
12/1995
12/26/1995US5477914 Ground source heat pump system comprising modular subterranean heat exchange units with multiple parallel secondary conduits
12/20/1995CN2215691Y Electric heating air-curtain generating device
12/12/1995US5473907 Heat pump with supplementary heat
11/1995
11/30/1995WO1995032399A1 Device for heating with a radiant tube
11/30/1995WO1995032397A1 Heating and ventilation system for a building
11/22/1995CN2213302Y Energy-saving hot-air screen
11/22/1995CN2213301Y Microelectronic hot pipe heater
11/15/1995EP0681676A1 Ground source heat pump system comprising modular subterranean heat exchange units with multiple parallel secondary conduits
11/08/1995CN2212155Y Multipurpose hot wind machine
11/02/1995DE19515408A1 Ventilation heating installation with fan in air distribution channel
10/1995
10/11/1995EP0676594A2 Building heating system with heat pumps
10/11/1995CN2209770Y Forced convection radiator
09/1995
09/27/1995CN2208677Y Multi-function water warming device
09/26/1995US5452710 Self-sufficient apparatus and method for conveying solar heat energy from an attic
09/20/1995EP0672231A1 Method and arrangement for air-conditioning and heating room space
09/11/1995CA2118726A1 Heated concrete floor slab
08/1995
08/09/1995CN2204955Y Electric cold and hot airing fan
08/09/1995CN2204954Y Ventilating and warming apparatus on wall
08/03/1995DE3943650C2 Underfloor room heating system
07/1995
07/19/1995CN2203757Y Gravity hot-tube electric heating hot-air central heating system
07/18/1995US5433377 Interlock and forced air furnace and HRV
07/04/1995US5429112 Infra-red radiant tube heater
06/1995
06/29/1995WO1995017633A1 Heating device
06/21/1995CN2201599Y Domestic hot air fan
06/14/1995CN2200777Y Steam warm-air machine
06/14/1995CN2200776Y Hot-air machine with heating film as heating component
06/14/1995CN2200775Y Electrical central heating
05/1995
05/31/1995CN2199466Y Portable device for heating air
05/23/1995US5417278 Heat exchangers for heating rooms with heat from dryers
05/17/1995CN2197604Y Gas heating stove with roasting box
04/1995
04/12/1995EP0647819A1 Device for heating enclosed spaces
04/12/1995CN2194471Y 电热取暖器 Electric heater
04/05/1995CA2107650A1 Combined heating and air conditioning structure
03/1995
03/15/1995EP0643274A1 Monitoring device for condensing boiler installations
03/15/1995EP0643273A1 Combustiongas-producing installation, especially hot water boiler
03/09/1995DE4319486C1 Heating apparatus
03/02/1995DE4334191A1 Building with air-conditioning system
02/1995
02/23/1995WO1995005142A1 Cabin with a radiant heating system
02/23/1995DE4326009C1 Reflector for a radiant ceiling heating system
02/22/1995CN2190249Y Hollow tile for a heatable brick bed
02/22/1995CN1099116A Domestic heating hot-air stove
02/15/1995CN2189711Y Electric-heating type combined air-exhausting fan
02/02/1995DE4425848A1 Heatable floor
01/1995
01/25/1995EP0635675A1 Space heating appliances
01/05/1995DE4320973A1 Arrangement for heating spaces (rooms)
01/04/1995CN2186880Y Constant temp. controllable hot fan and its application device
12/1994
12/16/1994CA2103951A1 Demand radiant heating system
12/13/1994US5372016 Ground source heat pump system comprising modular subterranean heat exchange units with multiple parallel secondary conduits
12/07/1994CN2184884Y Gas burning heater
12/07/1994CN2184883Y Multifunction electric fan warm air cover
11/1994
11/16/1994CN2182950Y Electric heating apparatus
10/1994
10/27/1994CA2122221A1 Infra-red radiant tube heater
10/26/1994EP0407567B1 Radiant tube and reflector hanger
10/26/1994CN2180923Y Heat generator for hot-air fan
10/11/1994US5353986 Demand radiant heating system
09/1994
09/22/1994DE4408096A1 Ventilation-heating unit
09/14/1994CN1092150A 回转加热器 Rotary heater
08/1994
08/18/1994WO1994018510A1 Ground source heat pump system comprising modular subterranean heat exchange units with multiple parallel secondary conduits
08/18/1994CA2155667A1 Ground source heat pump system comprising modular subterranean heat exchange units with multiple parallel secondary conduits
07/1994
07/20/1994EP0606782A1 Space heating appliances
07/20/1994CN2172419Y Electrical fan hot air cover
07/13/1994CN2171799Y Gas warm apparatus
07/06/1994CN2171074Y Liquid thermal cycle type heater
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
06/08/1994CN2168193Y Electric fan warmer
05/1994
05/11/1994WO1994010405A1 Intermediate fluor structure
05/11/1994CN2164516Y Light high-effect central heating
04/1994
04/20/1994CN2162609Y Miniature warm machine
04/13/1994CN2161854Y Small size radiator device
03/1994
03/02/1994EP0584165A1 A foundation for a building structure.
03/02/1994CN1083203A Hot-air central heating boiler and heat supply system thereof
02/1994
02/16/1994CN1082171A An air direction control apparatus
02/09/1994EP0582031A1 Device for receiving heating or ventilation elements
02/01/1994CA1326619C Method and apparatus for preheating ventilation air for a building
01/1994
01/26/1994CN2154420Y Heating tube heater
01/26/1994CN2154368Y Cold-warm fan
01/19/1994EP0578694A1 Temperature regulation of various building parts of houses.
01/19/1994CN2153730Y Electrothermal fan
01/15/1994CA2073853A1 Fireplace furnace heating system
12/1993
12/28/1993US5273210 Room heating arrangement
12/23/1993DE4220420A1 Warm air heating for churches - consists of underfloor ducts with fan to blow outside air mixed with inner air through to heating batteries at outlets
12/09/1993DE4308502A1 Ceiling panels for cooling or heating rooms - consist of rows of elements with isolated panels incorporating ventilators
12/08/1993CN2148842Y Two-purpose cooling and warming fan with easily-separable electric heater
12/01/1993CN2148279Y Claw pipe heat-exchange type gas heating stove
12/01/1993CN2148278Y Dual-purpose high-efficiency warm air machine
12/01/1993CN2148277Y Thermal superconducting hot-air machine
11/1993
11/16/1993US5263114 Ceiling element for regulating temperature
11/10/1993CN2145941Y Domestic heating Unit
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