Patents for F24D 13 - Electric heating systems (7,412)
03/1994
03/16/1994CN2158981Y Quick-acting electric heating device
03/16/1994CN1083911A Electrothermal floor brick and its production method and install method about it
03/09/1994EP0358670B1 Surface coating
03/09/1994CN2158506Y Heat-pipe type electrical heater
03/02/1994CN2158052Y Heating system with electric heating device
02/1994
02/23/1994CN2157438Y Flexible electric warmer
02/23/1994CN2157437Y Electric foot heating blanket
02/16/1994CN2156427Y Dry no-fan electric heater
02/09/1994CN2155513Y Electric heating water radiator
02/02/1994CN2154977Y Electrothermal plate
01/1994
01/26/1994CN2154421Y Glass plate type transparency electric heater
01/12/1994CN2153004Y Efficient energy-saving electric heater
01/12/1994CN2153003Y Efficient insertion part type heat-tube electric heater
01/05/1994CN2152167Y Infrared electric heating device with ring heating tube
12/1993
12/23/1993WO1993025780A1 Slab for depositing heating or cooling elements on surfaces, such as floors, adapted for heating or cooling
12/23/1993WO1993025776A1 Formwork for building a concrete wall, and heating wall thus obtained
12/23/1993CA2137798A1 Formwork for building a concrete wall, and heating wall thus obtained
12/22/1993CN2150483Y Strongly magnetic electric-heating energy-storaged heating device
12/14/1993US5269108 Heated glazed wall
12/08/1993CN2148913Y Electric heating stove
12/02/1993CA2097206A1 Wall structure for use in buildings
12/01/1993CN2148281Y Heating bushing for heating radiator
12/01/1993CN2148280Y Portable miniature electric warming device
11/1993
11/25/1993WO1993023969A1 Heating device
11/24/1993CN2147452Y Domestic electric heating water device for warming
11/16/1993US5263114 Ceiling element for regulating temperature
10/1993
10/28/1993DE4228321C1 Heating mat for electrical surface heating - has adjacent meander loops of heating wire pointed together via elastic longitudinal coupling elements
10/27/1993CN2144787Y High efficiency full reflection electrothermal converter type warm-air blower
10/26/1993US5256858 Soda lime glass inner insulating layer
10/20/1993CN2144265Y Heat-pipe air-condition type warmer
10/13/1993CN2143743Y Mushroom shape double radiation surface infra red eletric heating device
10/06/1993CN2143303Y 防水自动暖气机 Automatic water heater
10/06/1993CN2143302Y Electric and decorative indoor heating facility
09/1993
09/30/1993WO1993019565A1 An induction panel heater
09/30/1993DE4312400A1 Person oriented local IR heating of spaces in low energy building - using programme engineered spatial location and following of personnel by corresp. sensor and computing techniques
08/1993
08/26/1993DE4306790A1 Natural stone heating radiator - has closer spaced heat distribution tubes near bottom section and with sliding contact heat plate
08/25/1993CN2141048Y Domestic electric heater
08/18/1993CN2140486Y Thermal pipe heating apparatus
08/18/1993CN2140485Y Offset electrothermal heating apparatus
08/17/1993CA1321411C Facade heating
08/11/1993EP0554459A1 Heating apparatus using ptc thermistor
08/05/1993DE4203303A1 Heating of flat radiators located in room by means of heat energy conversion - using heat energy supplied to coating applied on carrier plate which is converted to IR radiation and heating of coating is limited by limit of energy drain to surface
08/04/1993CN2139670Y Ceramic heater for warming
07/1993
07/28/1993EP0552434A1 Heated backrest
07/14/1993CN2138265Y Circular heater
07/14/1993CN2138264Y Multifunctional electric health-care warmer
07/14/1993CN2138263Y Super-thin electric warmer
07/14/1993CN2138260Y Quartz infrared electronic heater
07/01/1993DE4143036A1 Room ventilator with duct to outside air - is incorporated in window frame head together with sound vibrations suppressor
06/1993
06/23/1993CN2136955Y Air-conditioning machine with function of warming
06/23/1993CN2136954Y Energy-saving, long-life electronic warmer
06/09/1993CN2135739Y Wall type energy-saving fast heating electric heater
06/02/1993CN2135118Y High-efficient quick-heating portable electric heater
06/02/1993CN2135117Y Hot-pipe electric heater
06/02/1993CN2135116Y Superconducting electric heater
05/1993
05/27/1993DE4138397A1 Heating system for dwelling and therapy rooms - has heating/radiating elements, with carrier, of prepressed material, for tube/hose system, and fireproof cement for tiles
05/26/1993EP0543589A1 Multi-purpose tile heater
05/26/1993CN2134614Y Calandria electric central heating
05/20/1993CA2083302A1 Heating tile
05/19/1993CN2133793Y Heat-storing unit
05/19/1993CN2133792Y Convection ratiating electric warming device
05/19/1993CN2133791Y Electric warming unit using fluorescent lamp ballast waste heat
05/12/1993CN2132942Y Finned type electric heating radiator
05/06/1993DE4136134A1 Wall-mounted electric room heater - uses flat conductor as heating element with heat radiation characteristic corresponding to that of living tissue
05/05/1993CN2132117Y Electric heating device for separate unit
05/05/1993CN2132116Y High efficiency electric heater
04/1993
04/28/1993CN2131051Y Improved ceramic electric heater for fan
04/14/1993EP0445253B1 Surface heater
04/07/1993CN1070729A Far infrared hot-tube type efficient electric heating appliance
03/1993
03/25/1993DE4209124A1 High thermal capacity flat heater plate - consists of polymer-concrete sheet of any desired shape completely covering heater element and fitted with thermostat, leads etc.
03/24/1993EP0533072A1 Flat heating element
03/24/1993CN2128708Y Superconducting hot water heating device
03/24/1993CN2128707Y Power on & heat-retaining electronic timer for electric heating device
03/16/1993CA1314581C Heater device used for floor material etc. and floor material with heater contained therein
02/1993
02/27/1993WO1993004490A1 Heating apparatus using ptc thermistor
02/24/1993CN2127476Y Convection electrical heater
02/18/1993DE4126723A1 Wall- or floor-covering - has electrical resistance heaters between layers joined together
02/17/1993CN2127156Y Multi-purpose semicondutor infrared heating device
02/03/1993CN2126734Y Electric heating wall
01/1993
01/28/1993DE4124684A1 Surface electrical heating element e.g. for car seat - has carrier of flexible material into which is set heating element consisting of multiple filaments
01/19/1993US5180900 Electrical resistance element with heat-sensitive disconnect capability
12/1992
12/30/1992CN2126390U Multi-purpose electric heater
12/23/1992WO1992022773A1 Heated floor
12/23/1992CN2125789U Low-voltage electric heating device for warming
12/23/1992CA2111216A1 Heated floor
12/02/1992CN2123721U Supercondtion electric heating radiator
11/1992
11/25/1992CN2123030U Water-electric heater
11/24/1992US5166497 Facade heating
11/18/1992CN2122346U High efficiency energy-saving heating apparatus
11/11/1992CN2121641U Domestic far-infrared electric heater
11/04/1992CN2120984U Electric heat warm wall
11/04/1992CN2120983U Electric warm board
11/04/1992CN2120982U Energy saving magnetization warming apparatus
10/1992
10/28/1992CN2120293U Multi-function electric heater
10/27/1992US5159176 Device for heating, by infrared radiation, fixed on a wall or the ceiling of a room of a building
10/22/1992DE4220742A1 Integrated surface heating system for buildings - uses material combination of grid-shaped pre-coated aluminium@ mat embedded in clay layers and in contact with heat sources
10/22/1992DE4112565A1 Heating mat for floors - uses flexible matrix carrying heating wires embedded within screed upon hard foam base with water barrier
10/21/1992CN2119602U Heat pipe electric heater
10/21/1992CN2119601U Air heater
10/14/1992CN2118938U Rapid electric heater
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