Resources Contact Us Home
Browse by Category: Main > Electrical & Energy
Class Information
Number: 219/483
Name: Electric heating > Heating devices > With power supply and voltage or current regulation or current control means > Controlling or regulating plural separate distinct heating resistance elements(i.e., one control system for all elements)
Description: Subject matter including means whereby a plurality of separate and distinct resistance heating units or elements, within or forming a subcombination of a single heating device, may be activated either as a unit or selectively, or whereby the current applied to each selectively or to the whole may be regulated between predetermined values or for predetermined intervals of time.

Sub-classes under this class:

Class Number Class Name Patents
219/484 Of diverse resistance characteristics or value 29
219/486 Selectively, sequentially or alternately 431
219/485 With total current or power limiting means 130

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

Patent Number Title Of Patent Date Issued
8693854 Vacuum heating device and vacuum heat treatment method Apr. 8, 2014
8669500 Interface device for oven Mar. 11, 2014
8663391 Electrostatic chuck having a plurality of heater coils Mar. 4, 2014
8637795 Self-configuring flexible heater Jan. 28, 2014
8637794 Heating plate with planar heating zones for semiconductor processing Jan. 28, 2014
8610036 Device and method for monitoring a heating appliance Dec. 17, 2013
8598496 Method for testing the operation of a heating element used for an activated carbon filter Dec. 3, 2013
8598497 Cooking temperature and power control Dec. 3, 2013
8558147 Shaped heater for an aerosol generating system Oct. 15, 2013
8541717 Device for remotely detonating explosives Sep. 24, 2013
8540924 Method and device for preheating a pressed material mat during manufacture of wood material boards Sep. 24, 2013
8530800 Heater control device, image forming apparatus, and computer program product Sep. 10, 2013
8525083 Water heater with power consumption reporting Sep. 3, 2013
8525081 Food steamer containers with sequential ohmic water heating Sep. 3, 2013
8521013 Temperature sensing device and heating device Aug. 27, 2013
8512538 Capillary electrophoresis device Aug. 20, 2013
8479410 Dryer and a control method thereof Jul. 9, 2013
8466390 Heater control architecture for an ice protection system Jun. 18, 2013
8410401 Powertrain driveline warm-up system and method Apr. 2, 2013
8395095 Electrothermal transfer device and electrothermal transfer method Mar. 12, 2013
8388884 Heating method for a composite laminator Mar. 5, 2013
8378272 Heat treatment apparatus, heat treatment method and storage medium Feb. 19, 2013
8344292 Rotary switch with improved simmer performance Jan. 1, 2013
8314709 Fire detection fault enhancement Nov. 20, 2012
8315510 Light emitting type heat treatment apparatus Nov. 20, 2012
8283608 Method for heating at least one component of an SCR system using resistive heating elements Oct. 9, 2012
8280531 Method and computer program for controlling the heat treatment of metal workpieces Oct. 2, 2012
8274020 Apparatus and method of controlling a triple heating element of a cooking appliance Sep. 25, 2012
8269145 Method for operating a heating element in a motor vehicle by pulse width modulation Sep. 18, 2012
8269149 Cooking device Sep. 18, 2012
8263911 Electronic device with heating protection circuit and heating protection method thereof Sep. 11, 2012
8258440 Rethermalizing apparatus Sep. 4, 2012
8247741 Dynamic system for variable heating or cooling of linearly conveyed substrates Aug. 21, 2012
8242417 Temperature control method of heat processing plate, computer storage medium, and temperature control apparatus of heat processing plate Aug. 14, 2012
8237094 Pulse modulation heating system and method Aug. 7, 2012
8232508 Water heater power control device Jul. 31, 2012
8225708 Multi-beverage brewer with on-demand variable brew water temperature and method Jul. 24, 2012
8217320 Thermal type flow sensor Jul. 10, 2012
8203102 Thermal type flow sensor Jun. 19, 2012
8203103 Plasma arc coating system and method Jun. 19, 2012
8204633 Water heater demand side management system Jun. 19, 2012
8164031 Electric trace tube bundle with internal branch circuit Apr. 24, 2012
8165726 Water heater energy savings algorithm for reducing cold water complaints Apr. 24, 2012
8148669 Apparatus and method for effectuating temperature control in roller grills Apr. 3, 2012
8138453 Electric oven with multiple broil heaters and method for preheating the electric oven Mar. 20, 2012
8119952 System with flicker control and method of reducing flicker generated by a system Feb. 21, 2012
8084715 Method and means for heating and controlling the temperatures in a sauna Dec. 27, 2011
8084719 Variable heat distribution for indoor cooking appliance Dec. 27, 2011
8053708 User-configurable interface for a cooking appliance Nov. 8, 2011
8049144 Plasma arc coating system Nov. 1, 2011

1 2 3 4 5 6 7 8

  Recently Added Patents
Pattern transfer apparatus and method for fabricating semiconductor device
Image-monitoring method for electroporation treatment and as associated image-monitoring appliance
System and method for terminating communication sessions with roaming mobile devices
Graphical communication user interface with graphical position user input mechanism for selecting a display image
Compounds and compositions for treating chemical warfare agent-induced injuries
Knife grip
Spin transition material
  Randomly Featured Patents
Pharmaceutical or food composition for treating pathologies related to graft versus host, allergic or autoimmune reaction
Ground fault circuit interrupter
Method for document to template alignment
Replacement handle and disposable cover combination for surgery room light fixtures
Method for monitoring process drift using plasma characteristics
Semiconductor device for reading signal from photodiode via transistors
Catheter with beveled needle tip
Control system of zoom lens for digital still cameras
Electrode placement device for taking electrocardiograms and method of use
Nonvolatile semiconductor memory apparatus and manufacturing method thereof