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Class Information
Number: 219/494
Name: Electric heating > Heating devices > With power supply and voltage or current regulation or current control means > Automatic regulating or control means > Thermally responsive
Description: Subject matter including at least one means which is responsive to the temperature of the heated material, the heating element itself, or the surrounding atmosphere, by means of which the amount of current traversing the heating element or elements is controlled.










Sub-classes under this class:

Class Number Class Name Patents
219/495 Thermomagnetic 21


Patents under this class:

Patent Number Title Of Patent Date Issued
8704630 Apparatus and methods for temperature-based control of communication device operations Apr. 22, 2014
8693854 Vacuum heating device and vacuum heat treatment method Apr. 8, 2014
8692167 Medical device heaters and methods Apr. 8, 2014
8680442 Systems and methods for a temperature-controlled electrical outlet Mar. 25, 2014
8669501 Control system for cooking appliance during jewish holidays and sabbath Mar. 11, 2014
8664571 Clothing piece with heating device Mar. 4, 2014
8653420 Temperature control circuit of oven controlled crystal oscillator Feb. 18, 2014
8637794 Heating plate with planar heating zones for semiconductor processing Jan. 28, 2014
8629378 Heating control device and method thereof Jan. 14, 2014
8624169 Electric grilling appliance Jan. 7, 2014
8624167 Device for making a muffle Jan. 7, 2014
8610037 Cooking score thermometer Dec. 17, 2013
8598499 Roll-out thermal envelope roof de-icing system Dec. 3, 2013
8598498 Processing controller for driving the heat sources of a cooker Dec. 3, 2013
8598494 Method for controlling power supply to the liquid contents of a cooking vessel Dec. 3, 2013
8592730 Heater assembly for suture welder Nov. 26, 2013
8581154 Method for effectuating temperature control in roller grills Nov. 12, 2013
8575522 Hot-air supplying device and hot-air supplying method having bypass Nov. 5, 2013
8569663 Small-sized pool and PTC heater for internal liquid heating Oct. 29, 2013
8563904 Heated eyelash curler Oct. 22, 2013
8563903 Method and circuit for controlling radiant heat of transistor using metal-insulator transition device Oct. 22, 2013
8563902 Heater control device and method for exhaust gas sensor Oct. 22, 2013
8563901 Method and apparatus for top heat bake assist in a gas oven appliance Oct. 22, 2013
8557317 Device for detecting the internal temperature of a foodstuff Oct. 15, 2013
8555775 Method for operating of a boiler of a device such as a coffee maker Oct. 15, 2013
8552345 Method for operating a diesel fuel filter heater Oct. 8, 2013
8541720 Apparatus for remotely measuring surface temperature using embedded components Sep. 24, 2013
8541718 Hypodermic needle destruction Sep. 24, 2013
8541716 Heater control with high-limit thermal safety shutdown Sep. 24, 2013
8541715 Hair iron and methods of operation thereof Sep. 24, 2013
8540924 Method and device for preheating a pressed material mat during manufacture of wood material boards Sep. 24, 2013
8536495 Device for regulated water heating using the energy gained by photovoltaic cells Sep. 17, 2013
8525083 Water heater with power consumption reporting Sep. 3, 2013
8515267 Liquid heating device and method for heating a liquid Aug. 20, 2013
8513577 Device for controlling a thermo-electric system Aug. 20, 2013
8513575 Utilization of overvoltage and overcurrent compensation to extend the usable operating range of electronic devices Aug. 20, 2013
8502119 Travel drive Aug. 6, 2013
8492680 Heating device for seat Jul. 23, 2013
8487738 Method and apparatus for securely storing medical items within a thermal treatment system Jul. 16, 2013
8481898 Self regulating electric heaters Jul. 9, 2013
8467668 Infrared room heater system Jun. 18, 2013
8466391 Support for an electrical heating device, electrical heating device and method for the manufacture of an electrical heating device Jun. 18, 2013
8466390 Heater control architecture for an ice protection system Jun. 18, 2013
8461493 Energy conservation system Jun. 11, 2013
8461492 Emergency shut-off system for a cooking appliance and method of use thereof Jun. 11, 2013
8457479 Rapid thermal processing apparatus and method of manufacture of semiconductor device Jun. 4, 2013
8440942 Circuit arrangement for protection of a heating element from overheating heating device and method for fused protection of the heating device May. 14, 2013
8436281 Food heaters with removable rollers May. 7, 2013
8431876 System for controlled aging of electrical windings Apr. 30, 2013
8431872 Countertop cooker Apr. 30, 2013











 
 
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