| Patents for F24D 13 - Electric heating systems (7,412) |
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| 12/31/1997 | WO1997050279A1 Heating device, regenerative heat generating body and protective sheet for same |
| 12/31/1997 | CA2258964A1 Heating device, regenerative heat generating body and protective sheet for same |
| 12/18/1997 | DE19623964A1 Ceramic heating element in cassette form |
| 12/17/1997 | CN2270905Y Electric heater using oil as heating medium with electrothermol humidifier |
| 12/17/1997 | CN2270904Y Cold or hot foot rest device |
| 12/11/1997 | DE19622788A1 Electrical resistance heating for room air conditioning |
| 12/03/1997 | CN2269544Y Electric heating heat-transfer device |
| 11/26/1997 | CN2268875Y Fireplace style electric heater |
| 11/18/1997 | US5687522 Formwork for building a concrete wall |
| 11/12/1997 | CN2267413Y Automatical control electric heating type arrangement for warming room |
| 11/12/1997 | CN2267412Y Electric heater for domestic room-warming arrangement |
| 11/12/1997 | CN2267411Y Energy saving electric arrangement for warming room |
| 11/05/1997 | CN2266708Y Domestic multifunction cold and heating system |
| 10/30/1997 | WO1997040646A1 Method for heating the surface of an antenna dish |
| 10/30/1997 | WO1997040322A1 Method for heating a solid surface such as a floor, wall, roof, or countertop surface |
| 10/30/1997 | DE19548546A1 Floor drying during construction |
| 10/29/1997 | CN2266090Y Heat conducting electric warmer |
| 10/29/1997 | CN2266089Y Long service life safety energy-saving electric warmer |
| 10/15/1997 | EP0800637A1 Ceiling mounted electrical heater |
| 10/08/1997 | CN2264328Y Energy saving fast heating electrothermal radiating appts |
| 10/08/1997 | CN1161430A Apparatus for heating room with electrically heated hot water tube, and method therefor |
| 09/24/1997 | CN2263300Y Miniature hanging electric water heater |
| 09/17/1997 | CN2262676Y Heater with adjustable angle radiating lamp |
| 09/10/1997 | CN2262204Y Electric hot tube type heater |
| 09/10/1997 | CN2262203Y Warm air blower |
| 09/04/1997 | DE19607907A1 Simple and effective floor heating cable |
| 09/03/1997 | CN2261582Y Heating apparatus without electronic waves |
| 08/28/1997 | WO1997031165A1 Concrete wall formwork |
| 08/28/1997 | DE19707240A1 Electric underfloor room heating device |
| 07/23/1997 | EP0785493A1 Method for obtaining a personal comfort temperature in a room and device for implementing the method |
| 07/23/1997 | CN2258259Y Energy-saving efficient heater for each household |
| 06/26/1997 | WO1997022465A1 Thermal walkway cover |
| 06/25/1997 | EP0780527A1 A slurry screed construction with reduced curing time and process for manufacturing the same |
| 06/18/1997 | CN1152094A Heating installation using cold wind in winter |
| 06/04/1997 | EP0670985B1 Wall element with integral heating |
| 05/14/1997 | EP0714274B1 Cabin with a radiant heating system |
| 05/02/1997 | EP0770317A1 Electrical heating device |
| 05/01/1997 | WO1997016052A1 Heating apparatus |
| 04/30/1997 | CN2253435Y Oil-filling electric radiator with side radiating plate-fin |
| 04/24/1997 | WO1997015171A2 Electrical resistance heating for air conditioning in dwellings and buildings |
| 04/24/1997 | WO1997014921A1 Panels for electrically heating rooms with false ceilings |
| 04/24/1997 | DE19538686A1 Electrical resistance heater for rooms |
| 04/23/1997 | CN1148154A Floor hot water central heating system, device and hellow connection elements |
| 04/16/1997 | CN2252304Y Household bathroom warmer |
| 04/02/1997 | CN2251108Y Electric heater using water-heating |
| 03/26/1997 | EP0764256A1 Electric radiator with a heating body embedded in a light alloy unit |
| 03/26/1997 | CN2250493Y Heat pipe civil heater |
| 03/25/1997 | US5614292 Thermal walkway cover having carbonized rubber |
| 03/19/1997 | CN2249872Y Warmer supplied by D.C. power |
| 03/19/1997 | CN2249871Y Electric heating basin |
| 03/19/1997 | CN2249870Y Convection forcing electric warmer |
| 03/12/1997 | CN2249372Y Oil-filled type electric heating radiator |
| 03/12/1997 | CN2249371Y Heating and water-heating device |
| 03/12/1997 | CN2249370Y 电暖器 Heater |
| 03/05/1997 | CN2248840Y Infrared electrically heating device |
| 03/05/1997 | CN1144136A Infant warmer radiant heater head |
| 02/27/1997 | WO1997007366A1 Electric heater and method for making same |
| 02/27/1997 | CA2228709A1 Electric heater and method for making same |
| 02/26/1997 | CN2248309Y Electric heating water heater |
| 02/20/1997 | WO1997006389A1 Coving heating system |
| 02/19/1997 | CN2247773Y Infrared warmer |
| 02/12/1997 | CN2247304Y Hot-air type electric-heating oil radiator |
| 02/12/1997 | CN2247303Y Low-consumption electric steam radiator |
| 02/12/1997 | CN2247302Y Moisturizing energy-saving electric-heating radiator |
| 02/12/1997 | CN1142741A Manufacture of graphite heating plate |
| 02/05/1997 | CN2246769Y Simple electric-heating stove |
| 02/05/1997 | CN2246768Y Drying apparatus of electric radiator |
| 01/29/1997 | EP0588911B1 Heated floor |
| 01/29/1997 | CN2246262Y Wall-hanging crystal heating appts. |
| 01/22/1997 | CN2245742Y Multifunction lighting and warming device for bathroom |
| 01/22/1997 | CN2245741Y Multipurpose electric radiator |
| 01/22/1997 | CN2245419Y Three-purpose device with warm, lighting and ventilation functions used in bathroom |
| 01/15/1997 | EP0753983A2 Infant warmer radiant heater head |
| 01/15/1997 | CN2245185Y Electric heater with heating plate |
| 01/15/1997 | CN2245184Y Far infrared ultra-thin heating plate |
| 01/08/1997 | CN2244690Y Hot-water circulation electric heater |
| 01/08/1997 | CN2244689Y Electric heater |
| 01/08/1997 | CN2244688Y Wall heater for bathroom |
| 01/07/1997 | US5592647 Polsitive temperature coefficient |
| 01/01/1997 | CN2244161Y Phase changing heat accumulating electric heating device |
| 01/01/1997 | CN2244160Y Multifunctional electric hand cage |
| 12/25/1996 | CN2243622Y European style electric warming apparatus |
| 12/25/1996 | CN2243621Y High performance fast action electric heater |
| 12/25/1996 | CN2243620Y Multifunctional warming apparatus |
| 12/25/1996 | CN2243619Y Series products of safety electric heater |
| 12/25/1996 | CN2243618Y PTC heater for warm air curtain apparatus |
| 12/19/1996 | DE19521864A1 Control of electric storage heater |
| 12/18/1996 | CN2243038Y Plate-shape electric heating device |
| 12/18/1996 | CN2243037Y High-efficency three-in-one heating lamp for bathroom |
| 12/11/1996 | CN2242409Y Temp. adjustable quartz heating stove |
| 12/11/1996 | CN2242408Y Electric heating device |
| 12/11/1996 | CN2242407Y Microcomputerized electric blanket |
| 12/11/1996 | CN2242406Y Tubular type electric heating system being able to combined with furniture |
| 12/11/1996 | CN2242042Y Improved electric sleeping rug |
| 12/04/1996 | CN2241836Y Warming device |
| 12/04/1996 | CN2241835Y Electric heating picture |
| 12/04/1996 | CN2241834Y Electrothermal foot-warming hood |
| 11/28/1996 | WO1996037736A1 System for heating indoor areas by electricity with 'sandwich'-type structures |
| 11/28/1996 | CA2221926A1 System for heating indoor areas by electricity with "sandwich"-type structures |
| 11/20/1996 | EP0743492A2 Floor heating system and floor-heating device and hollow connecting member |