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Class Information
Number: 219/518
Name: Electric heating > Heating devices > With current connection and/or disconnection means (e.g., switch) > Automatically operated > Responsive to weight, position, or presence of body to be heated
Description: Subject matter wherein the particular current connection or disconnection means includes switch means operative by the weight of or the placing, in a certain location, of a body to be heated.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7605349 |
Slow cooker and method of operation |
Oct. 20, 2009 |
| 7498546 |
Detachable breakaway power supply source |
Mar. 3, 2009 |
| 7488919 |
Warming apparatus |
Feb. 10, 2009 |
| 7484386 |
Method and apparatus for controlling a treatment process in safety glass production |
Feb. 3, 2009 |
| 7425690 |
Hob with illumination and method for illuminating a hob |
Sep. 16, 2008 |
| 7361867 |
Electronic scale and method for weight measurement including correction means for correcting a weight dependent signal |
Apr. 22, 2008 |
| 7355151 |
Magnetic safety feature for cookware and cooking stoves |
Apr. 8, 2008 |
| 7351943 |
Automated microwave turntable |
Apr. 1, 2008 |
| 7348522 |
Apparatus for thawing frozen food items |
Mar. 25, 2008 |
| 7238923 |
Cooking apparatus having a bar code reader and a cooking method of the same |
Jul. 3, 2007 |
| 7223951 |
Cooking control method of microwave oven and apparatus for performing the same |
May. 29, 2007 |
| 7170037 |
Indentification system for insert elements for tempering foods accommodated in containers |
Jan. 30, 2007 |
| 7157674 |
Induction heater with controlled current to heating coil |
Jan. 2, 2007 |
| 7151241 |
Controller and heating wire capable of preventing generation of electromagnetic waves |
Dec. 19, 2006 |
| 7135658 |
Magnetic safety feature for cookware and cooking stoves |
Nov. 14, 2006 |
| 7112768 |
Temperature control system for a bathing unit |
Sep. 26, 2006 |
| 7075044 |
Induction heating cooking apparatus, operation of which is interrupted by container eccentricity |
Jul. 11, 2006 |
| 6946632 |
Cooking apparatus equipped with weight measuring device |
Sep. 20, 2005 |
| 6930287 |
Random positioning cooking hob with user interface |
Aug. 16, 2005 |
| 6911635 |
Cooking apparatus and method |
Jun. 28, 2005 |
| 6911634 |
Weight detecting device for microwave ovens |
Jun. 28, 2005 |
| 6882797 |
Multiple plate fluid warmer unit |
Apr. 19, 2005 |
| 6870138 |
Electric cooking hob and method for determining the location of cooking utensils on it |
Mar. 22, 2005 |
| 6825453 |
Microwave oven and method for controlling the same |
Nov. 30, 2004 |
| 6812440 |
Induction heating device |
Nov. 2, 2004 |
| 6765179 |
Electric radiant element with an active sensor for cooking vessel detection |
Jul. 20, 2004 |
| 6737617 |
Methods and apparatus for a signal distortion based detection system |
May. 18, 2004 |
| 6693262 |
Cooking hob with discrete distributed heating elements |
Feb. 17, 2004 |
| 6660974 |
Warming system and method for heating various items utilized in surgical procedures |
Dec. 9, 2003 |
| 6617554 |
Counter-top electric cooker having a safety shut-off switch |
Sep. 9, 2003 |
| 6614006 |
Device for determining the location of cooking utensils on a cooking hob comprising discrete distributed heating elements |
Sep. 2, 2003 |
| 6600140 |
Configuration with a cooker and cooktop with an integrated weighting function |
Jul. 29, 2003 |
| 6583392 |
Apparatus and method for determining properties of a cooktop using ultrasound techniques |
Jun. 24, 2003 |
| 6541742 |
Cooktop with weighing unit |
Apr. 1, 2003 |
| 6501054 |
Device and method for controlling cooking areas with glass-ceramic cooking surfaces |
Dec. 31, 2002 |
| 6492627 |
Heating unit and control system for cooktops having capability to detect presence of a pan and methods of operating same |
Dec. 10, 2002 |
| 6489596 |
Quantitative cooking device |
Dec. 3, 2002 |
| 6452136 |
Monitoring and control system and method for sensing of a vessel and other properties of a cooktop |
Sep. 17, 2002 |
| 6429407 |
Household electronic toaster |
Aug. 6, 2002 |
| 6413630 |
Decorative film |
Jul. 2, 2002 |
| 6350971 |
Apparatus and method for detecting vessel movement on a cooktop surface |
Feb. 26, 2002 |
| 6348677 |
Sensor circuit for detecting the presence of a pan on an electric cooker hob |
Feb. 19, 2002 |
| 6343543 |
Household electric toaster |
Feb. 5, 2002 |
| 6300603 |
Stovetop burner with safety feature |
Oct. 9, 2001 |
| 6291803 |
Method and system of regulating heat in a vehicle seat |
Sep. 18, 2001 |
| 6274847 |
Multi-purpose cooking apparatus |
Aug. 14, 2001 |
| 6268591 |
Safety and/or control device for electric cooking appliance |
Jul. 31, 2001 |
| 6268593 |
Cooking apparatus capable of determining weight of food on turn table and method of detecting weight of food on turn table |
Jul. 31, 2001 |
| 6259069 |
Apparatus for detecting the presence of a cooking vessel |
Jul. 10, 2001 |
| 6253761 |
Sensing device for stoves |
Jul. 3, 2001 |
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