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Class Information
Number: 219/548
Name: Electric heating > Heating devices > With heating unit structure > Core, sheath, or support means for heating element > Of particular construction or material
Description: Subject matter wherein the core, sheath or support means is compromised of a significant material or is constructed in a particular manner.










Sub-classes under this class:

Class Number Class Name Patents
219/549 Flexible 604
219/551 Gasket or wafer-type insulator means 16
219/550 Sectional or interconnectable insulator means 50


Patents under this class:
1 2 3 4 5 6 7 8 9 10

Patent Number Title Of Patent Date Issued
8680435 Electrical heating device Mar. 25, 2014
8680443 Combined material layering technologies for electric heaters Mar. 25, 2014
8664571 Clothing piece with heating device Mar. 4, 2014
8637794 Heating plate with planar heating zones for semiconductor processing Jan. 28, 2014
8637796 Electrical heating device and heat generating element of an electrical heating device Jan. 28, 2014
8608885 Substrate heat treatment apparatus Dec. 17, 2013
8597753 Self-adhesive radiant heating underlayment Dec. 3, 2013
8592732 Resistive heating device for fabrication of nanostructures Nov. 26, 2013
8575523 Planar heating element for underfloor heating Nov. 5, 2013
8558201 Infrared radiator arrangement for a gas analysis device Oct. 15, 2013
8541722 Electrical heater and method for manufacturing an electrical heater Sep. 24, 2013
8536497 Methods for forming long subsurface heaters Sep. 17, 2013
8530802 Ceramic heater and mold Sep. 10, 2013
8525084 Electrical heating element Sep. 3, 2013
8502120 Insulating blocks and methods for installation in insulated conductor heaters Aug. 6, 2013
8497452 Axial resistance sheathed heater Jul. 30, 2013
8492682 Micro heater Jul. 23, 2013
8481889 Hand grip member with electric heater Jul. 9, 2013
8481897 Printed circuit board or card comprising a heating wire Jul. 9, 2013
8475606 In-situ oxidized thermally applied ceramic coating Jul. 2, 2013
8466392 Material and heating cable Jun. 18, 2013
8461491 Support for an electrical heating device, electrical heating device and manufacturing method Jun. 11, 2013
8453943 Heating cartridge for thermostatic element and method for manufacturing same, as well as thermostatic valve comprising such a cartridge Jun. 4, 2013
8450663 Electrical heating element for vertical installation May. 28, 2013
8431874 High-capacity PTC heater Apr. 30, 2013
8410406 Helical wire heating coil assemblies and methods for assembling helical wire heating coil assemblies Apr. 2, 2013
8410676 Sheet-shaped heat and light source, method for making the same and method for heating object adopting the same Apr. 2, 2013
8405008 Positive temperature co-efficient heating element assembly and appliance incorporating the heating element assembly Mar. 26, 2013
8399814 Heating assemblies providing a high degree of uniformity over a surface area Mar. 19, 2013
8395089 Electrical heating device Mar. 12, 2013
8395096 Precision strip heating element Mar. 12, 2013
8395097 Electrical heating device Mar. 12, 2013
8383995 Flexible hot plate and cooking unit Feb. 26, 2013
8378266 Smart layered heater surfaces Feb. 19, 2013
8367986 Heating element Feb. 5, 2013
8362406 Method of manufacturing an electric heating device and electric heating devices Jan. 29, 2013
8344295 Nanosoldering heating element Jan. 1, 2013
8338759 Heating cable Dec. 25, 2012
8334480 Electrically heated towel rack Dec. 18, 2012
8319158 Electric heating radiator device Nov. 27, 2012
8304701 Ceramic heater and method for making the same Nov. 6, 2012
8304694 Electric heating material and laminate floor containing same and method for producing the laminate floor Nov. 6, 2012
8283602 Heating blanket Oct. 9, 2012
8283612 Heated planar element Oct. 9, 2012
8278606 Pocketable body warmer Oct. 2, 2012
8258443 Heating unit for warming pallets Sep. 4, 2012
8241582 Reactor with electrical insulating film, fuel cell apparatus, electronic device and method of producing electrical insulating film Aug. 14, 2012
8217308 Heater-equipped seat Jul. 10, 2012
8212184 Cold temperature control in a semiconductor device Jul. 3, 2012
8188406 Steering wheel planar heat generating element May. 29, 2012

1 2 3 4 5 6 7 8 9 10










 
 
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