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Class Information
Number: 219/487
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) > Selectively, sequentially or alternately > With indicator means
Description: Subject matter including means whereby some condition of the heating device is indicated either visually or audibly.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7615726 |
Identification of electric heater capacity |
Nov. 10, 2009 |
| 7554060 |
Displaying cooking-related information |
Jun. 30, 2009 |
| 7534978 |
Process chamber of an installation for the thermal treatment of printed circuit boards |
May. 19, 2009 |
| 7473868 |
Fail safe HVAC temperature and medium presence sensor |
Jan. 6, 2009 |
| 7368686 |
Apparatus and methods for operating an electric appliance |
May. 6, 2008 |
| 7348522 |
Apparatus for thawing frozen food items |
Mar. 25, 2008 |
| 7282677 |
Menu selection device in microwave oven |
Oct. 16, 2007 |
| 7279660 |
Apparatus for brewing beverages |
Oct. 9, 2007 |
| 7176418 |
Cooking stove |
Feb. 13, 2007 |
| 7020540 |
Temperature control |
Mar. 28, 2006 |
| 6933474 |
Electronic power control for cooktop heaters |
Aug. 23, 2005 |
| 6849830 |
Apparatus and method of rapidly and evenly heating a packaged food product |
Feb. 1, 2005 |
| 6681997 |
Visual and reading enhancement apparatus for thermostats and associated methods |
Jan. 27, 2004 |
| 6664519 |
Touch-sensitive operating panel for cooking zones |
Dec. 16, 2003 |
| 6539171 |
Flexible spirally shaped heating element |
Mar. 25, 2003 |
| 6078027 |
Ceramic fixing heater containing silicon nitride |
Jun. 20, 2000 |
| 5968393 |
Hot water controller |
Oct. 19, 1999 |
| 5841112 |
Diagnostic display method for electronic cooking appliance control |
Nov. 24, 1998 |
| 5818012 |
Self-regulating cable assembly |
Oct. 6, 1998 |
| 5797445 |
Refrigerated rethermalization cart |
Aug. 25, 1998 |
| 5788789 |
Power device for fusing plastic pipe joints |
Aug. 4, 1998 |
| 5535664 |
Remote control cooking apparatus with stackable cookers |
Jul. 16, 1996 |
| 5434386 |
Electric circuit having a heater element and a night light |
Jul. 18, 1995 |
| 5432321 |
Oven with preheating phase and continued heating phase, and independent phase indicators |
Jul. 11, 1995 |
| 5416301 |
Cooking appliance with automatic power-off switch |
May. 16, 1995 |
| 5300759 |
Control system for an appliance or the like, control device therefor and methods of making the same |
Apr. 5, 1994 |
| 5171974 |
Heating system for oven zone location |
Dec. 15, 1992 |
| 4994655 |
Electro-fusion joint |
Feb. 19, 1991 |
| 4745263 |
Current regulator for carpet seaming apparatus |
May. 17, 1988 |
| 4508461 |
Distributed fiber optic temperature monitoring apparatus and method |
Apr. 2, 1985 |
| 4469545 |
Heating apparatus for thermally bonding plastic foils and method for the operation thereof |
Sep. 4, 1984 |
| 4416713 |
Method and apparatus for joining abutting edges of sheet material |
Nov. 22, 1983 |
| 4390965 |
Micro-wave ovens |
Jun. 28, 1983 |
| 4273989 |
Battery powered thermal garment with fast and efficent recharging circuit |
Jun. 16, 1981 |
| 4267432 |
Installation circuitry for electric water heaters |
May. 12, 1981 |
| 4235842 |
Temperature cycle indicating means for a sterilizer unit |
Nov. 25, 1980 |
| 4131786 |
Remotely controllable electric oven |
Dec. 26, 1978 |
| 4127854 |
Back-up and alarm circuit system |
Nov. 28, 1978 |
| 3944786 |
Cooking tray with control indicator means |
Mar. 16, 1976 |
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