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Class Information
Number: 219/540
Name: Electric heating > Heating devices > With heating unit structure > With heat storage or transfer means (e.g., fins or plate)
Description: Subject matter including significant heat transfer or storage means, such as fins or plates whereby the heat energy generated in the heating unit is transferred to a space or body of material which is to be heated.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8704139 Electric heating device Apr. 22, 2014
8575518 Convective heater Nov. 5, 2013
8558201 Infrared radiator arrangement for a gas analysis device Oct. 15, 2013
8541721 Wake generating solid elements for joule heating or infrared heating Sep. 24, 2013
8466391 Support for an electrical heating device, electrical heating device and method for the manufacture of an electrical heating device Jun. 18, 2013
8467668 Infrared room heater system Jun. 18, 2013
8455801 Heating equipment for a plate to be heated and heating method Jun. 4, 2013
8431874 High-capacity PTC heater Apr. 30, 2013
8431873 Vane type electric heater and vane structure thereof Apr. 30, 2013
8405008 Positive temperature co-efficient heating element assembly and appliance incorporating the heating element assembly Mar. 26, 2013
8395097 Electrical heating device Mar. 12, 2013
8395089 Electrical heating device Mar. 12, 2013
8367986 Heating element Feb. 5, 2013
8319159 Radiant panel of anodized aluminium with electric resistance of stainless steel Nov. 27, 2012
8304701 Ceramic heater and method for making the same Nov. 6, 2012
8258434 Heating apparatus for heat retaining hair clips Sep. 4, 2012
8008606 Composite heating element with an integrated switch Aug. 30, 2011
7989735 Heating apparatus for heat retaining hair clips Aug. 2, 2011
7977607 Frame for holding heating elements of an electric heater of a ventilating, heating and/or air conditioning unit Jul. 12, 2011
7977605 Heating assembly comprising a PTC element, in particular for a motor vehicle Jul. 12, 2011
7910864 PTC heating element Mar. 22, 2011
7880581 PTC thermistor Feb. 1, 2011
7800028 Controllable electrothermal element of PTC thick film circuit Sep. 21, 2010
7777162 Connector and heater that equip this for closeness of a heating pipe Aug. 17, 2010
7741586 Heat transfer device for use in barbeques Jun. 22, 2010
7709770 Heating device for heating a patient's body May. 4, 2010
7618588 Disposable integrated heater and tube assembly for thermally-driven chemical reactions Nov. 17, 2009
7595468 Passive thermal solution for hand-held devices Sep. 29, 2009
7482557 Lamella type radiator element having foldable projections and a notch Jan. 27, 2009
7442903 Heat sink for electronic device Oct. 28, 2008
7420143 Durable graphite connector and method for manufacturing thereof Sep. 2, 2008
7399948 PTC heating unit suitable for use in motor vehicles Jul. 15, 2008
7388176 Heating device with thin heating boards Jun. 17, 2008
7378614 Heat rod assembly and pre-heater for vehicles including the same May. 27, 2008
7361868 Electrical heating device, especially for motor vehicles Apr. 22, 2008
7335855 Electric PCB heating component, electronic circuit board and heating method Feb. 26, 2008
7326885 Hot plate with stainless steel top Feb. 5, 2008
7321107 Thermally-conductive, electrically non-conductive heat transfer material and articles made thereof Jan. 22, 2008
7297901 PTC element module and pre-heater for vehicles including the same Nov. 20, 2007
7288748 PTC electrical heating devices Oct. 30, 2007
7282678 Electric heating module Oct. 16, 2007
7262388 Vehicle light heater Aug. 28, 2007
7244913 Temperature regulator for microchemical chip Jul. 17, 2007
7199336 Protection structure of ceramic resistor heating module Apr. 3, 2007
7132627 Electric heating unit housed in a calorie accumulator block Nov. 7, 2006
7120353 Infrared sauna Oct. 10, 2006
7098426 Electric heating device with heating zones Aug. 29, 2006
7064301 Electric heater Jun. 20, 2006
7019267 Sample tray heater module Mar. 28, 2006
7012226 Cartridge heater with a release coating Mar. 14, 2006

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