Patents for F24D 5 - Hot-air central heating systems; Exhaust-gas central heating systems (1,847)
05/2000
05/18/2000CA2254326A1 Portable modular support system
05/17/2000CN1253259A Cold and warm air conditioner
05/03/2000EP0882200B1 Method and device for heating and cooling buildings, and a heat-insulating wall covering
05/03/2000CN2376598Y Vacuum internal heating type electric radiator
05/03/2000CN1252124A Heaters
04/2000
04/12/2000EP0760072B1 Heating and ventilation system for a building
04/12/2000CN2373719Y Electric heating warmer
03/2000
03/28/2000CA2151773C Air inductor device for controlled fresh air intake in an air heating system
03/08/2000CN2367943Y Heating apparatus capable of drying clothing
03/01/2000EP0982164A2 Heating device for a hot air system
03/01/2000CN2366740Y Intelligent type machine for heating
02/2000
02/23/2000CN2365581Y Electric water heater capable of supplying warm air
02/16/2000EP0979975A2 Warm air heating system
02/16/2000CN2364366Y Humidifying air warming fan
02/16/2000CN2364365Y Energy-saving electric warmer
02/01/2000US6019099 Heat removal system for fireplaces
01/2000
01/26/2000EP0974032A1 Heaters
01/12/2000CN2358377Y Double valve hot-air heating system for bathing
01/05/2000CN1240265A Directional control unit for operatig medium in air conditioning system
12/1999
12/23/1999DE19827031A1 Ventilation heating system with fresh air and ventilation facility
12/22/1999CN2355236Y Thermal insulating front cover of fan in winter
12/16/1999DE19825903A1 Heating system especially for portable building structures
12/15/1999EP0824622B1 A supporting device
12/09/1999WO1999063179A1 Device forming a partition between storeys
12/08/1999CN1047232C Device for heating with radiant tube
11/1999
11/18/1999DE19819639A1 Process for heating and-or hot water supply for passive or low energy houses
11/17/1999CN2349481Y 取暖器 Heaters
11/03/1999CN2347081Y Bathroom electric heating appts.
10/1999
10/27/1999EP0952405A2 Underfloor heating
10/19/1999US5967411 Method and apparatus for controlling supplemental heat in a heat pump system
10/06/1999CN2342277Y Gas burning wall stove
10/06/1999CN2342276Y Electric heater
09/1999
09/29/1999CN2341055Y Hot airing device for bath
09/21/1999US5954046 Heating and ventilation system for a building
09/14/1999US5950720 For heating or cooling rooms
09/09/1999DE19820795A1 Space heater for building
09/01/1999CN2336247Y Electric heating heat pipe air warming fan
08/1999
08/25/1999EP0937955A1 Radiant heat drying system
08/18/1999CN1225990A Heat-circulation type heat-insulated shower device
08/11/1999CN2332941Y Electrothermal hot air appts.
08/11/1999CN2332940Y Warm air fan
08/04/1999EP0932799A1 Building with a heating system
08/04/1999CN2331886Y Warm-air device
07/1999
07/28/1999EP0931989A2 Method and apparatus for controlling supplemental heat in a heat pump system
07/28/1999CN1224144A Method and apparatus for controlling supplemental heat in heat pump system
06/1999
06/29/1999CA2040095C Control in combination with thermostatically responsive assembly
06/24/1999DE19757010A1 Church heating system with air and water heating units
06/24/1999DE19756441A1 Warm air central heating system
06/22/1999US5913789 Construction element and guide channel for smoke pipe
06/16/1999CN2324466Y Warm-air central heating system
06/16/1999CN2324465Y Efficient air heater
06/16/1999CN1219669A Heat supply method and system with air as heat transmission carrier
06/09/1999EP0857282B1 Method and device for heating by means of a heat pump
06/03/1999WO1999027307A1 Gas fired infrared radiant tube heating system using plural burner assemblies and single gas delivery system
05/1999
05/27/1999DE19751986A1 Hall heating system with integral hot air feedback
05/20/1999WO1999024757A1 Space heating appliances
05/12/1999CN2318548Y Wall-hanging-type warm-air machine
04/1999
04/14/1999EP0908683A1 Multifunctional heating device
04/08/1999DE19820796C1 Space heater for building rooms
04/01/1999DE19821319C1 Device for heating of rooms
03/1999
03/31/1999CN2312418Y Hot-air central heating equipment
03/11/1999WO1999011982A1 Device for the temperature control of buildings
03/10/1999CN2310262Y Electric heating hot-air blowing device
03/03/1999EP0672231B1 Method and arrangement for air-conditioning and heating room space
03/02/1999US5876323 Heated, opened access door for incubator
02/1999
02/04/1999DE19733521A1 Air heater for individual heating of several rooms
02/03/1999EP0894224A1 Infrared heating system and metering element
02/03/1999EP0894223A1 Radiation heater
01/1999
01/31/1999CA2212147A1 Gas fired heater
01/27/1999EP0893655A2 Heat station for a warm air church heating
01/21/1999DE19738172C1 Temperature control for building
01/21/1999DE19735298A1 System for wall duct heating
01/21/1999DE19730691A1 Domestic air conditioning system
01/06/1999CN1204034A Multistage far-infrared radiation machine
12/1998
12/30/1998CN2302443Y Heating and ventilating two-purpose machine for toilet
12/30/1998CN1203343A Burner
12/23/1998CN2301647Y Indoor ventilating and heating machine
12/09/1998EP0882200A1 Method and device for heating and cooling buildings, and a heat-insulating wall covering
12/02/1998EP0880957A2 Heated, opened access door for incubator
12/02/1998CN2299262Y Multifunctional heating appts.
12/01/1998US5842854 Infrared heating system and metering element
11/1998
11/26/1998DE19721462A1 Room-heater with pipe and heat source preferably burner of air and fuel
11/26/1998DE19720971A1 Air-heater for controlled ventilation of building
11/12/1998DE19806925A1 Radiation heat room heating system
11/11/1998EP0877208A2 Radiating space heating system
10/1998
10/28/1998CN2295941Y Hot airing apparatus
10/22/1998WO1998046946A1 Heaters
10/07/1998CN2293759Y Gas-combustion heating system for outdoor small space house resembling pavilion
09/1998
09/30/1998EP0866938A1 Ceiling radiator
09/30/1998CN2293014Y Heat reflecting plate adjusted electric warmer
09/26/1998CA2233053A1 High efficiency hydronic heating system
09/09/1998CN2290797Y Multipurpose room, bathroom heating appts.
09/01/1998US5802249 Cabin wth a radiant heating system
08/1998
08/26/1998CN2289160Y Heating and ventilating machine
08/12/1998EP0857282A1 Method and device for heating with the aid of a heat pump
08/05/1998EP0856706A1 Improvements in and relating to radiant tube heaters
07/1998
07/30/1998DE19703189A1 Wall heating system with low thermal loading
06/1998
06/24/1998EP0848797A1 Heating device having a radiant tube
06/24/1998CN2284922Y Scavenging, drying and heating machine
06/24/1998CN2284921Y Lighting, ventilating and heating device for bathroom
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