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Class Information
Number: 219/489
Name: Electric heating > Heating devices > With power supply and voltage or current regulation or current control means > Combined manual and automatic regulating or control means
Description: Subject matter consisting of at least one means operative by hand at the will of an operator and one or more additional self-acting means operative upon the occurrence of a predetermined condition or set of conditions within the heating device or heated material.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7355151 |
Magnetic safety feature for cookware and cooking stoves |
Apr. 8, 2008 |
| 7196293 |
Timed accessory adapter |
Mar. 27, 2007 |
| 7060943 |
Cooking apparatus having heaters |
Jun. 13, 2006 |
| 7049554 |
Adjustable heater for aquaria |
May. 23, 2006 |
| 6822199 |
Automatic temperature conversion system for convection cooking appliance |
Nov. 23, 2004 |
| 6822201 |
Laundry dryer |
Nov. 23, 2004 |
| 6818869 |
Multiple panel oven having individual controls for combined conductive and radiant heating panels |
Nov. 16, 2004 |
| 6815644 |
Multirack cooking in speedcook ovens |
Nov. 9, 2004 |
| 6677558 |
Key input apparatus in electronic oven and control method thereof |
Jan. 13, 2004 |
| 6590188 |
Control system for bathers |
Jul. 8, 2003 |
| 6380522 |
Device for the regulation of a generator of a hot fluid in liquid or gaseous phase |
Apr. 30, 2002 |
| 6326596 |
Systems and methods for controlling power applied to a resistor array |
Dec. 4, 2001 |
| 6153858 |
Automatic lighting control system for a cooking cavity |
Nov. 28, 2000 |
| 6150640 |
Temperature controller for electric cooking appliances |
Nov. 21, 2000 |
| 5901639 |
Temperature sensitive timing assembly for toaster appliance |
May. 11, 1999 |
| 5864121 |
Heating element |
Jan. 26, 1999 |
| 5812411 |
Tapped variable potentiometer resistor with current sense and safety circuit |
Sep. 22, 1998 |
| 5796346 |
Stove having grease fire avoidance circuitry |
Aug. 18, 1998 |
| 5724244 |
Microwave oven and a cash register system including the same |
Mar. 3, 1998 |
| 5664481 |
Toaster with bakery product shield |
Sep. 9, 1997 |
| 5644974 |
Automatic resetting heat reduction assembly for toaster appliance |
Jul. 8, 1997 |
| 5385082 |
Toaster with safety shut-off |
Jan. 31, 1995 |
| 5265521 |
Toast shade selector |
Nov. 30, 1993 |
| 4968870 |
Hair curling appliance power control circuit |
Nov. 6, 1990 |
| 4816635 |
Microwave oven with remote controller |
Mar. 28, 1989 |
| 4754112 |
Cooking appliance with vapor sensor and compensation for the effect of intermediate food handling on the sensed amount of vapor |
Jun. 28, 1988 |
| 4714822 |
Cooker with means for automatically controlling the heating of a pan with food material |
Dec. 22, 1987 |
| 4695708 |
Electric cooker |
Sep. 22, 1987 |
| 4659909 |
Kitchen range safety shutoff |
Apr. 21, 1987 |
| 4581522 |
Electrical heating system including a mesh heating element |
Apr. 8, 1986 |
| 4499368 |
Utensil removal detection system for cooking appliance |
Feb. 12, 1985 |
| 4493981 |
Boil dry protection system for cooking appliance |
Jan. 15, 1985 |
| 4493980 |
Power control arrangement for automatic surface unit |
Jan. 15, 1985 |
| 4464553 |
Induction heating apparatus with an override circuit |
Aug. 7, 1984 |
| 4461949 |
Electric hot water heater energy saver |
Jul. 24, 1984 |
| 4439666 |
Electrical heating system |
Mar. 27, 1984 |
| 4416713 |
Method and apparatus for joining abutting edges of sheet material |
Nov. 22, 1983 |
| 4377739 |
Average power control apparatus and method |
Mar. 22, 1983 |
| 4315143 |
Aquarium heater |
Feb. 9, 1982 |
| 4289954 |
Energy conserving system for use with heating and/or hot water systems and the like |
Sep. 15, 1981 |
| 4267432 |
Installation circuitry for electric water heaters |
May. 12, 1981 |
| 4255648 |
Aquarium heater |
Mar. 10, 1981 |
| 4217482 |
Electric cooking apparatus with safety control |
Aug. 12, 1980 |
| 4202258 |
Cooking apparatus |
May. 13, 1980 |
| 4140048 |
Toast load selector mechanism |
Feb. 20, 1979 |
| 4114024 |
Feedback-controlled radiant furnace for firing ceramic material and the like |
Sep. 12, 1978 |
| 3979576 |
Electric heating element control circuit |
Sep. 7, 1976 |
| 3979056 |
Multi-product cooking computer |
Sep. 7, 1976 |
| 3937921 |
Temperature control system |
Feb. 10, 1976 |
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