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Class Information
Number: 219/541
Name: Electric heating > Heating devices > With heating unit structure > With terminal or connector means (e.g., to external circuit means)
Description: Subject matter including specific terminal or connector elements whereby an electrical connection with an external electrical circuit may be made.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

Patent Number Title Of Patent Date Issued
7538301 Tubular heating element with conical heating coil May. 26, 2009
7528350 Process for producing PTC element/metal lead element connecting structure and PTC element for use in the process May. 5, 2009
7514654 Glass article with metal member joined thereto, and junction structure using the same Apr. 7, 2009
7498544 Firing furnace and method for manufacturing porous ceramic fired object with firing furnace Mar. 3, 2009
7479620 Heater and the method for producing the same using PCB Jan. 20, 2009
7453052 Electrical distribution apparatus with controlled cooling Nov. 18, 2008
7449661 In-pipe heat trace system Nov. 11, 2008
7446286 Heater strip for an electric heater, heater with such a heater strip and method for manufacturing the heater strip Nov. 4, 2008
7442904 Metal sheathed heater and thermostat assembly and method of use Oct. 28, 2008
7432472 Flooring board with an embedded electrically influenced sheet Oct. 7, 2008
7429720 Electric heating pipe and electric heating apparatus using it Sep. 30, 2008
7423242 Oven for non-metal melting Sep. 9, 2008
7423239 Laminated element provided with a heated layer Sep. 9, 2008
7408133 Method of thermally coupling a flow tube or like component to a thermal sensor and sensor systems formed thereby Aug. 5, 2008
7405378 Safety blanket Jul. 29, 2008
7402776 Device and system for heating a mobile electronic device Jul. 22, 2008
7394044 Device for exchanging heat Jul. 1, 2008
7388176 Heating device with thin heating boards Jun. 17, 2008
7378621 Molybdenum silicide type element May. 27, 2008
7372007 Medium voltage heater element May. 13, 2008
7365286 Heater assembly including housing with strain relief features Apr. 29, 2008
7355147 Ice removal for a pond Apr. 8, 2008
7351935 Method for producing a ceramic heater, ceramic heater produced by the production method, and glow plug comprising the ceramic heater Apr. 1, 2008
7348521 Electric oven Mar. 25, 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
7326886 Wafer support member and semiconductor manufacturing system using the same Feb. 5, 2008
7324746 Fluid heater and evaluation equipment incorporating the same Jan. 29, 2008
7301126 Panel element with a heating layer Nov. 27, 2007
7291816 Transparent electrothermal body and the method of making it Nov. 6, 2007
7288749 Electrical heating device and method of its manufacture Oct. 30, 2007
7288748 PTC electrical heating devices Oct. 30, 2007
7282678 Electric heating module Oct. 16, 2007
7282679 Electrical contact connection and method for forming such a contact connection Oct. 16, 2007
7280749 Filament for radiation source Oct. 9, 2007
7277628 Heater for aircraft potable water tank Oct. 2, 2007
7271369 Multilayer positive temperature coefficient device and method of making the same Sep. 18, 2007
7265323 Electrically conductive heated glass panel assembly, control system, and method for producing panels Sep. 4, 2007
7265322 Method for making a plastic pane with electrical conductor structure and plastic pane with embedded wires Sep. 4, 2007
7262388 Vehicle light heater Aug. 28, 2007
7250586 Surface heating system and method for producing it and a heatable object Jul. 31, 2007
7247819 Substrate heating apparatus Jul. 24, 2007
7241975 Igniter systems with associated lead frame Jul. 10, 2007
7230214 Metal sheathed heater using splice connection assembly with heat shrinkable tubing, and method of use Jun. 12, 2007
7211152 Heating element CVD system and connection structure between heating element and electric power supply mechanism in the heating element CVD system May. 1, 2007
7205504 Interlayer composite for a laminated transparency Apr. 17, 2007
7205506 Glow plug with heat range indicative color Apr. 17, 2007
7196288 Flexible heating element Mar. 27, 2007
7184656 Infrared lamp, heating apparatus, and method for manufacturing infrared lamp Feb. 27, 2007
7180031 Electrical connection in glazing operations Feb. 20, 2007

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