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Class Information
Number: 219/485
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) > With total current or power limiting means
Description: Subject matter including means whereby the total current traversing the plurality of resistance elements at any time is maintained at or below a predetermined value or whereby the total power consumed by the plurality of heating elements is maintained constant.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7589299 |
Electronic power control for cooktop heaters |
Sep. 15, 2009 |
| 7495194 |
Heating apparatus and heating method |
Feb. 24, 2009 |
| 7368686 |
Apparatus and methods for operating an electric appliance |
May. 6, 2008 |
| 7368832 |
Circuit and fault tolerant assembly including such circuit |
May. 6, 2008 |
| 7358666 |
System and method for sealing high intensity discharge lamps |
Apr. 15, 2008 |
| 7332692 |
Redundant control circuit for hot melt adhesive assembly heater circuits and temperature sensors |
Feb. 19, 2008 |
| 7304270 |
Integrated warmer drawer and warmer zone controls |
Dec. 4, 2007 |
| 7256372 |
Fluid-heating apparatus, circuit for heating a fluid, and method of operating the same |
Aug. 14, 2007 |
| 7214910 |
On-chip power supply regulator and temperature control system |
May. 8, 2007 |
| 7202449 |
Brewing machine power management system and method |
Apr. 10, 2007 |
| 7109448 |
Control system for cooking appliance employing radiant cooking |
Sep. 19, 2006 |
| 7076324 |
Directionless rotary encoder control system for a household appliance |
Jul. 11, 2006 |
| 7041940 |
Power management systems and methods |
May. 9, 2006 |
| 6989514 |
System and method for controlling temperature control elements that are used to alter liquid temperature |
Jan. 24, 2006 |
| 6881932 |
High reliability heater modules |
Apr. 19, 2005 |
| 6875961 |
Method and means for controlling electrical distribution |
Apr. 5, 2005 |
| 6849830 |
Apparatus and method of rapidly and evenly heating a packaged food product |
Feb. 1, 2005 |
| 6841761 |
Nominal voltage identification system for electric resistance |
Jan. 11, 2005 |
| 6831257 |
Control system for multiple heating towers a method for heating liquids and distributing operating wear amongst a plurality of heating towers |
Dec. 14, 2004 |
| 6806446 |
Power management controls for electric appliances |
Oct. 19, 2004 |
| 6794618 |
Method for electrical heating of furnaces for heat treatment of metallic workpieces |
Sep. 21, 2004 |
| 6777652 |
Programmable oven with broiler temperature interlock |
Aug. 17, 2004 |
| 6740854 |
Device for satellites including power supply means and associated with heating means |
May. 25, 2004 |
| 6730884 |
Protective circuit for electrical heating element |
May. 4, 2004 |
| 6713729 |
Electric load control system and vehicle air-conditioning system having the same |
Mar. 30, 2004 |
| 6700101 |
Power management system in electrical cooking appliances |
Mar. 2, 2004 |
| 6680464 |
Electrofusion joining control device |
Jan. 20, 2004 |
| 6670584 |
Spa electric heater system using multiple spa heaters |
Dec. 30, 2003 |
| 6492629 |
Electrical heating devices and resettable fuses |
Dec. 10, 2002 |
| 6483081 |
In-line cure furnace and method for using the same |
Nov. 19, 2002 |
| 6399926 |
Heat-treating apparatus capable of high temperature uniformity |
Jun. 4, 2002 |
| 6355915 |
Heat/blower unit with load control |
Mar. 12, 2002 |
| 6350967 |
Energy saving water heater control |
Feb. 26, 2002 |
| 6351083 |
Circuit for selective power supply to electrical units |
Feb. 26, 2002 |
| 6246034 |
Multi-period cycle-skipping for low flicker, fine-resolution power control |
Jun. 12, 2001 |
| 6133555 |
Zero defect management system for restaurant equipment and environment equipment |
Oct. 17, 2000 |
| 6124576 |
Arrangement for limiting the temperature of a glass-ceramic cooking zone |
Sep. 26, 2000 |
| 6117266 |
Furnace for continuous, high throughput diffusion processes from various diffusion sources |
Sep. 12, 2000 |
| 6093916 |
Control device with first and second power control elements to control heater drive apparatus |
Jul. 25, 2000 |
| 6060697 |
Substrate processing apparatus having regulated power consumption and method therefor |
May. 9, 2000 |
| 6018152 |
Method and device for de-icing conductors of a bundle of conductors |
Jan. 25, 2000 |
| 5994675 |
Semiconductor processing furnace heating control system |
Nov. 30, 1999 |
| 5990459 |
System for controlling a plurality of resistive heating elements |
Nov. 23, 1999 |
| 5990454 |
Lightwave oven and method of cooking therewith having multiple cook modes and sequential lamp operation |
Nov. 23, 1999 |
| 5973299 |
System and method for heater control for evaporation of cryogenic fluids for cooling scientific instruments |
Oct. 26, 1999 |
| 5968393 |
Hot water controller |
Oct. 19, 1999 |
| 5922226 |
Method and apparatus for controlling energizing of heater in air-fuel ratio sensor |
Jul. 13, 1999 |
| 5811764 |
Method for reducing flicker in electrophotographic printers and copiers |
Sep. 22, 1998 |
| 5788789 |
Power device for fusing plastic pipe joints |
Aug. 4, 1998 |
| 5767934 |
Liquid-crystal display with foil heater and PTC sensor for backlight |
Jun. 16, 1998 |
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