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