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Class Information
Number: 219/660
Name: Electric heating > Inductive heating > With power supply system
Description: Subject matter wherein electrical energy is fed to an inductive heating apparatus for operation.

Sub-classes under this class:

Class Number Class Name Patents
219/661 Power switching 99
219/671 With plural load inductors 86
219/670 With specific transformer 170

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8686321 Method for supplying power to induction cooking zones of an induction cooking hob having a plurality of power converters, and induction cooking hob using such method Apr. 1, 2014
8674274 Apparatus and method for heating material by adjustable mode RF heating antenna array Mar. 18, 2014
8563905 Method for controlling the induction heating system of a cooking appliance Oct. 22, 2013
8563896 Systems and methods to modify gas metal arc welding and its variants Oct. 22, 2013
8541723 Induction heat cooking device Sep. 24, 2013
8488982 Method and apparatus to control electric power of coil which performs induction heating in imaging apparatus Jul. 16, 2013
8476562 Inductive heater humidifier Jul. 2, 2013
8471183 Induction heating apparatus Jun. 25, 2013
8461497 Power supply circuitry for inductive heating element and capable of minimizing losses to switching element Jun. 11, 2013
8431875 Method for the synchronization of induction coils supplied by power converters of an induction cooking hob and induction heating system carrying out such method Apr. 30, 2013
8427117 Electromechanical arrangement Apr. 23, 2013
8415594 Method for operating an induction heating device Apr. 9, 2013
8357883 Induction heating system for a motor-driven vehicle Jan. 22, 2013
8340538 Method and apparatus to control electronic power of coil which performs induction heating in imaging apparatus Dec. 25, 2012
8283614 Apparatuses useful in printing and methods of fixing marking materials onto media Oct. 9, 2012
8247749 Application of electric induction energy for manufacture of irregularly shaped shafts with cylindrical components including non-unitarily forged crankshafts and camshafts Aug. 21, 2012
8115147 Induction heating system output control based on induction heating device Feb. 14, 2012
7772530 Induction heat treatment of workpieces Aug. 10, 2010
7741731 PWM power regulator device Jun. 22, 2010
7701677 Inductive quench for magnet protection Apr. 20, 2010
7696458 Induction heating system and method of output power control Apr. 13, 2010
7582851 Gradient induction heating of a workpiece Sep. 1, 2009
7569800 Method and apparatus for rapid thermal processing and bonding of materials using RF and microwaves Aug. 4, 2009
7368690 Method of and apparatus for processing of semi-solid metal alloys May. 6, 2008
7361870 Supply generator for an oscillating circuit, particularly for an induction cooking hob Apr. 22, 2008
7279663 Fixing device using induction heating and method for producing same Oct. 9, 2007
7279665 Method for delivering harmonic inductive power Oct. 9, 2007
7138614 Non-contact feeder system Nov. 21, 2006
7119310 U-flow ventilated sealing head Oct. 10, 2006
7062193 Fixing device that is detachable from an image forming apparatus Jun. 13, 2006
7049764 Electrodeless lighting apparatus using microwave and method for controlling power thereof May. 23, 2006
7034263 Apparatus and method for inductive heating Apr. 25, 2006
7034264 Heating systems and methods utilizing high frequency harmonics Apr. 25, 2006
6977362 Induction heating device with a switching power source and image processing apparatus using the same Dec. 20, 2005
6933480 Image heating apparatus Aug. 23, 2005
6847019 Induction heating roller device, heating roller for induction heating roller device, fixing apparatus and image forming apparatus Jan. 25, 2005
6838785 Operating device for an electrical appliance Jan. 4, 2005
6813456 Fixing device Nov. 2, 2004
6700104 Portable stripping head induction heating system for stripping coated and lined metal objects and surfaces and methods for stripping coated metal objects and surfaces Mar. 2, 2004
6639198 Hand held induction tool with energy delivery scheme Oct. 28, 2003
6617557 Apparatus for RF active compositions used in adhesion, bonding, and coating Sep. 9, 2003
6582659 Equipment for clinical examination Jun. 24, 2003
6522846 Fixing device having connection member for supplying AC current to an electromagnetic induction coil Feb. 18, 2003
6472748 System and method for providing MMIC seal Oct. 29, 2002
6373035 Induction-heating roller device Apr. 16, 2002
6316755 Method and apparatus for producing power for an induction heating system Nov. 13, 2001
6211498 Induction heating apparatus and transformer Apr. 3, 2001
6163019 Resonant frequency induction furnace system using capacitive voltage division Dec. 19, 2000
5783921 Welding robot with base stand having self contained welding power source Jul. 21, 1998
5690851 Induction heating apparatus for drink can Nov. 25, 1997

1 2 3

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