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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:
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Patent Number Title Of Patent Date Issued
5596673 Evaporation crucible assembly Jan. 21, 1997
5592749 Hands-free hair dryer Jan. 14, 1997
5589091 Glow plug with prestressed contact surfaces Dec. 31, 1996
5577156 Device for heating and vaporizing a vaporizable module Nov. 19, 1996
5573690 Ceramic articles Nov. 12, 1996
5569474 Mold for injection molding of plastics using thin film electric heater Oct. 29, 1996
5565121 Arrangement for relieving stress on electric elements in seats and a method for assembling the arrangement Oct. 15, 1996
5560846 Robust ceramic and metal-ceramic radiant heater designs for thin heating elements and method for production Oct. 1, 1996
5560847 Environmental protection of a pipe by means of a conductive polymer sheet Oct. 1, 1996
5545878 Defrost heater with spiral vent Aug. 13, 1996
5543601 Multiple connection terminal assembly for an electrically heated transparency Aug. 6, 1996
5536478 Electrical leads for a fluid heaters Jul. 16, 1996
5521357 Heating device for a volatile material with resistive film formed on a substrate and overmolded body May. 28, 1996
5519187 Electrically conductive ceramic glow plug with axially extending pocket and terminal received therein May. 21, 1996
5510594 Method of manufacturing thick-film circuit component Apr. 23, 1996
5504965 Electrically heated wiper blade utilizing spiral coiled resister wire Apr. 9, 1996
5493379 Heater having contacts for AC and DC Feb. 20, 1996
5489762 Appliances having resistive heating elements and thermal protective apparatus used therewith Feb. 6, 1996
5488350 Diamond film structures and methods related to same Jan. 30, 1996
5471032 Electrical resistance ignitor with spaced parallel filaments brazed in refractory block recesses Nov. 28, 1995
5459748 Apparatus and method for electrically heating a refractory lined vessel by directly passing current througth an electrically conductive refractory via a resilient electrote assembly Oct. 17, 1995
5449886 Electric heating element assembly Sep. 12, 1995
5444228 Flat, flexible heating element with integrated connector Aug. 22, 1995
5444813 Infrared lamp mounting arrangement using spaced mounting holes enabling desired positioning thereof Aug. 22, 1995
5420394 Casing and heater configuration in a material processing apparatus May. 30, 1995
5382384 Conductive polymer composition Jan. 17, 1995
5369248 Electro-weldable connecting piece having connection terminals and its method of manufacture Nov. 29, 1994
5359179 Band and strip heater construction with variable lead/terminal connection capability Oct. 25, 1994
5354969 Positive-temperature-coefficient thermistor heating device and process for production of the same Oct. 11, 1994
5343021 Heater mounted on a substrate having a hole penetrating through the substrate Aug. 30, 1994
5338918 Heat generator assembly in a material processing apparatus Aug. 16, 1994
5334818 Modular high density electric heating element arrangement for an air flow heater Aug. 2, 1994
5318756 Electrode feed through Jun. 7, 1994
5303325 Air heater Apr. 12, 1994
5300349 Formed bodies consisting of glass and provided with electric circuits and method of their production Apr. 5, 1994
5298723 Heater element support assembly Mar. 29, 1994
5281845 PTCR device Jan. 25, 1994
5278940 Device utilizing a PTC resistor for electrically heating flowing liquid or gaseous media Jan. 11, 1994
5276307 Electrical appliance with hermetically sealed connector having venting means Jan. 4, 1994
5270521 Heating apparatus comprising a plate-shaped PTC thermistor accommodated in an insulating spacer and terminal plates in snap-engagement with the spacer Dec. 14, 1993
5266278 Honeycomb heater having integrally formed electrodes and/or integrally sintered electrodes and method of manufacturing such honeycomb heater Nov. 30, 1993
5262619 Heating device with PTC resistors non-abrasively positioned in a metallic heat body for heating flowing media Nov. 16, 1993
5263115 PTC electric heating element assembly Nov. 16, 1993
5260549 Automobile windshield heater connector Nov. 9, 1993
5250228 Conductive polymer composition Oct. 5, 1993
5247158 Electrical heater Sep. 21, 1993
5238650 Electrode feed through Aug. 24, 1993
5235163 Resistive contact for resin-based heating elements Aug. 10, 1993
5229581 Electro-welding element of conductive plastic and an electro-welding coupling including said element for interconnecting pieces made of plastic Jul. 20, 1993
5229582 Flexible heating element having embossed electrode Jul. 20, 1993

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