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Class Information
Number: 219/538
Name: Electric heating > Heating devices > With heating unit structure
Description: Subject matter consisting of a heating element, usually resistive, with a core, sheath or support means, the combination comprising a basic heating unit adapted to form a subcombination of a more comprehensive combination which is classifiable higher up in this class or in another art class.










Sub-classes under this class:

Class Number Class Name Patents
219/539 Comprising plural separate and distinct resistive elements 119
219/546 Core, sheath, or support means for heating element 182
219/552 Heating element structure 381
219/540 With heat storage or transfer means (e.g., fins or plate) 243
219/542 With resistive-element attaching, securing or electrical insulation means 255
219/541 With terminal or connector means (e.g., to external circuit means) 751


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8658949 Adaptable layered heater system Feb. 25, 2014
8604392 Hydration systems and methods Dec. 10, 2013
8581156 Apparatus with heating part Nov. 12, 2013
8558201 Infrared radiator arrangement for a gas analysis device Oct. 15, 2013
8530802 Ceramic heater and mold Sep. 10, 2013
8497452 Axial resistance sheathed heater Jul. 30, 2013
8492682 Micro heater Jul. 23, 2013
8487222 Heating electrode and method for heating material-to-be-heated by using the heating electrode Jul. 16, 2013
8479410 Dryer and a control method thereof Jul. 9, 2013
8481898 Self regulating electric heaters Jul. 9, 2013
8470138 Odor mitigation in a recycler assembly Jun. 25, 2013
8466391 Support for an electrical heating device, electrical heating device and method for the manufacture of an electrical heating device Jun. 18, 2013
8466392 Material and heating cable Jun. 18, 2013
8450661 Method of manufacturing heat-generating panel, heat-generating panel manufactured by the same, panel-shaped structure, and heat-generating system May. 28, 2013
8431873 Vane type electric heater and vane structure thereof Apr. 30, 2013
8415593 Micro-heaters and methods of manufacturing the same Apr. 9, 2013
8395096 Precision strip heating element Mar. 12, 2013
8395097 Electrical heating device Mar. 12, 2013
8395089 Electrical heating device Mar. 12, 2013
8383996 Electrical cartridge heater with supply cable Feb. 26, 2013
8367973 Heater with temperature detecting device and battery structure with the heater Feb. 5, 2013
8354622 Electric hot wedge Jan. 15, 2013
8278604 Carbon nanotube heater-equipped electric oven Oct. 2, 2012
8247743 Cooking appliance having a broiling element with loops of non-uniform length Aug. 21, 2012
8110783 Tubular heater Feb. 7, 2012
8106338 Flat heating element Jan. 31, 2012
8081464 High-voltage switch with cooling Dec. 20, 2011
8063730 Thermistor and electrical device employed with same Nov. 22, 2011
8058592 Ceramic heater, gas sensor, and method of producing ceramic heater Nov. 15, 2011
8047643 Temperature sensor mount for melt plate Nov. 1, 2011
8022340 Attaching unit and knob for a heating unit of a cigar lighter Sep. 20, 2011
8008607 Methods of forming a variable watt density layered heater Aug. 30, 2011
7964827 Laminated sheet heater, laminated sheet heater with lead wire, battery structure with heater, and heater unit Jun. 21, 2011
7949238 Heating element for appliance May. 24, 2011
7947925 Heater unit and battery structure with heater May. 24, 2011
7947933 Ceramic heater and method for manufacture thereof May. 24, 2011
7847216 Panel heater and display device using the same Dec. 7, 2010
7847222 Heater and memory cell, memory device and recording head including the heater Dec. 7, 2010
7840122 Medicine vaporizer with crimped conductive pins Nov. 23, 2010
7800021 Spray deposited heater element Sep. 21, 2010
7786411 Heated computer mouse Aug. 31, 2010
7764871 Infrared heat irradiating device Jul. 27, 2010
7714256 Flat heating element May. 11, 2010
7692122 Heat conductor support disc Apr. 6, 2010
7645963 Sol-gel based heating element Jan. 12, 2010
7642489 Flexible electrothermal composite and heating apparatus having the same Jan. 5, 2010
7633038 Heated exhaust pipeline, heating apparatus, and method of controlling same Dec. 15, 2009
7633039 Sensor device and a method for manufacturing the same Dec. 15, 2009
7629560 Modular layered heater system Dec. 8, 2009
7618588 Disposable integrated heater and tube assembly for thermally-driven chemical reactions Nov. 17, 2009

1 2 3










 
 
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