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Class Information
Number: 219/494
Name: Electric heating > Heating devices > With power supply and voltage or current regulation or current control means > Automatic regulating or control means > Thermally responsive
Description: Subject matter including at least one means which is responsive to the temperature of the heated material, the heating element itself, or the surrounding atmosphere, by means of which the amount of current traversing the heating element or elements is controlled.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7626147 |
Heating body |
Dec. 1, 2009 |
| 7617764 |
Remote controllable automatic apparatus for preparing fried potato product from dehydrated potato |
Nov. 17, 2009 |
| 7619185 |
Image forming apparatus and electric-power control method |
Nov. 17, 2009 |
| 7619184 |
Multi-parameter process and control method |
Nov. 17, 2009 |
| 7619181 |
Heating system for bathing unit |
Nov. 17, 2009 |
| 7615724 |
Electric water heater |
Nov. 10, 2009 |
| 7605349 |
Slow cooker and method of operation |
Oct. 20, 2009 |
| 7605351 |
Redundant control circuit for hot melt adhesive hose assembly heater circuits and temperature sensors |
Oct. 20, 2009 |
| 7600507 |
Control system for an exhaust gas sensor |
Oct. 13, 2009 |
| 7600508 |
Control system for an exhaust gas sensor |
Oct. 13, 2009 |
| 7603205 |
Apparatus and method for thermal stabilization of PCB-mounted electronic components within an enclosed housing |
Oct. 13, 2009 |
| 7576304 |
Monitor device for monitoring the exposure of circuits to current and voltage from a tool |
Aug. 18, 2009 |
| 7577493 |
Temperature regulating method, thermal processing system and semiconductor device manufacturing method |
Aug. 18, 2009 |
| 7576301 |
Building incorporating a thermal insulation assembly and method of conserving energy |
Aug. 18, 2009 |
| 7573006 |
Apparatus relating to the reconstruction of semiconductor wafers for wafer-level processing |
Aug. 11, 2009 |
| 7568477 |
Control system for an exhaust gas sensor |
Aug. 4, 2009 |
| 7569797 |
Electric liquid-heating |
Aug. 4, 2009 |
| 7566845 |
Overheat protection circuit for power supply devices and direct-current power supply device |
Jul. 28, 2009 |
| 7566848 |
Catalytic combustion type gas sensor |
Jul. 28, 2009 |
| 7564009 |
Spot warming device, and method |
Jul. 21, 2009 |
| 7560669 |
Method of thermal treatment of components |
Jul. 14, 2009 |
| 7555829 |
Method for adjusting an output parameter of a circuit |
Jul. 7, 2009 |
| 7549566 |
Method, apparatus and program of thermal analysis, heat controller and heating furnace using the method |
Jun. 23, 2009 |
| 7544917 |
Sealing construction |
Jun. 9, 2009 |
| 7541559 |
Conveyor oven and method with smart control |
Jun. 2, 2009 |
| 7514652 |
Spa with circuit for detecting excessive ground current |
Apr. 7, 2009 |
| 7514653 |
Small diameter pipe repair device |
Apr. 7, 2009 |
| 7507937 |
Electronic power control for cooktop heaters |
Mar. 24, 2009 |
| 7501605 |
Method of tuning thermal conductivity of electrostatic chuck support assembly |
Mar. 10, 2009 |
| 7501604 |
Sensor element for determining gas components in gas mixtures, and method for manufacturing it |
Mar. 10, 2009 |
| 7498545 |
Electric motor controller in electric compressor |
Mar. 3, 2009 |
| 7498546 |
Detachable breakaway power supply source |
Mar. 3, 2009 |
| 7495194 |
Heating apparatus and heating method |
Feb. 24, 2009 |
| 7488919 |
Warming apparatus |
Feb. 10, 2009 |
| 7470873 |
Desalinization system and method |
Dec. 30, 2008 |
| 7454308 |
System for detection of waterlogging in steam heating coils |
Nov. 18, 2008 |
| 7449661 |
In-pipe heat trace system |
Nov. 11, 2008 |
| 7449662 |
Air heating apparatus |
Nov. 11, 2008 |
| 7445381 |
Apparatus and method for determining the amount of time until a desired temperature is reached |
Nov. 4, 2008 |
| 7446283 |
Method for controlling a cooking process, and cooking appliance |
Nov. 4, 2008 |
| 7441713 |
Tamper resistant temperature dial and associated method of use |
Oct. 28, 2008 |
| 7439472 |
Heating body |
Oct. 21, 2008 |
| 7435929 |
Methods for monitoring or controlling the ratio of hydrogen to water vapor in metal heat treating atmospheres |
Oct. 14, 2008 |
| 7423240 |
Pulse width modulated defroster |
Sep. 9, 2008 |
| 7423243 |
Heating system and method |
Sep. 9, 2008 |
| 7417208 |
Power supply device |
Aug. 26, 2008 |
| 7411162 |
Hot wire control apparatus and method |
Aug. 12, 2008 |
| 7411163 |
Device for providing a melt |
Aug. 12, 2008 |
| 7408132 |
Temperature sensor for power supply |
Aug. 5, 2008 |
| 7408421 |
Determining thermal absorption using ring oscillator |
Aug. 5, 2008 |
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