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Class Information
Number: 219/209
Name: Electric heating > Heating devices > Combined with diverse-type art device > Electrical devices
Description: Subject matter wherein the other art device comprises a device which is electrically operated or whose operative function is to control the condition of an electrical circuit, such as a motor or switch.

Sub-classes under this class:

Class Number Class Name Patents
219/210 Crystal or other vibratory device 82

Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
6875962 Electric heating system for a motor vehicle Apr. 5, 2005
6867391 Control system for electrostatic discharge mitigation Mar. 15, 2005
6847010 Methods and circuits for measuring the thermal resistance of a packaged IC Jan. 25, 2005
6841739 Flexible circuit board having electrical resistance heater trace Jan. 11, 2005
6838647 Flexible heating element Jan. 4, 2005
6838640 Separation microcolumn assembly for a microgas chromatograph and the like Jan. 4, 2005
6830372 Thermal testing control system Dec. 14, 2004
6815643 Semiconductor device with temperature regulation Nov. 9, 2004
6809295 Television and oven combination device Oct. 26, 2004
6798706 Integrated circuit with temperature sensor and method for heating the circuit Sep. 28, 2004
6794620 Feedforward temperature control of device under test Sep. 21, 2004
6794609 Prosthetic device for use with touch-screen displays Sep. 21, 2004
6770847 Method and system for Joule heating characterization Aug. 3, 2004
6762394 Heated steering wheel Jul. 13, 2004
6759805 Circular filament lamp Jul. 6, 2004
6727468 Flexible heating system having high transmissivity Apr. 27, 2004
6723958 Display with a heater Apr. 20, 2004
6720535 Explosion protected heating system for heating an enclosure with two temperature control algorithms Apr. 13, 2004
6718164 Dynamic method and apparatus for controlling device temperature during continuous transmissions Apr. 6, 2004
6710302 Vehicle sensor assembly including integral heating unit Mar. 23, 2004
6703588 Compact, thermally stabilized housing for planar lightguide circuits Mar. 9, 2004
6700780 Apparatus for cooling electronics Mar. 2, 2004
6696669 Circuit and method for heating an adhesive to package or rework a semiconductor die Feb. 24, 2004
6677555 Optical device module using integral heat transfer module Jan. 13, 2004
6670582 Micro-thermocouple for a mass flow meter Dec. 30, 2003
6667461 Multiple load protection and control device Dec. 23, 2003
6667464 Warming, scenting and music playing cabinet for baby clothes/towels Dec. 23, 2003
6664511 Package for optical components Dec. 16, 2003
6649876 Methods and apparatuses for automatic process control for firing and biasing heated electrode refrigerant sensors Nov. 18, 2003
6650132 Method and apparatus for temperature control of a device during testing Nov. 18, 2003
6646226 Heated computer keyboard Nov. 11, 2003
6634117 Method for drying an active part and device for carrying out this method Oct. 21, 2003
6629396 Cell adaptable for construction of a housing structure Oct. 7, 2003
6621055 Thermally controlled circuit using planar resistive elements Sep. 16, 2003
6614003 Method and process of contact to a heat softened solder ball array Sep. 2, 2003
6593547 Air gap deicing device Jul. 15, 2003
6590405 CMOS integrated circuit and timing signal generator using same Jul. 8, 2003
6583388 High thermal efficiency, small form-factor packages including thermally insulative cavities, and transfer molded variants Jun. 24, 2003
6573521 Radiation source Jun. 3, 2003
6557773 Heating system for heating the passenger compartment of a motor vehicle May. 6, 2003
6559420 Micro-switch heater with varying gas sub-channel cross-section May. 6, 2003
6541736 Circuit board/printed circuit board having pre-reserved conductive heating circuits Apr. 1, 2003
6532125 Apparatus and method suitable for magnetic-thermal recording Mar. 11, 2003
6528869 Semiconductor package with molded substrate and recessed input/output terminals Mar. 4, 2003
6507076 Microwave transistor subjected to burn-in testing Jan. 14, 2003
6492620 Equipotential fault tolerant integrated circuit heater Dec. 10, 2002
6493224 Method and apparatus to increase convection heat transfer in an electrical system and a method of manufacturing the same Dec. 10, 2002
6486440 Redundant package for optical components Nov. 26, 2002
6483078 Moisture control system for electrical devices Nov. 19, 2002
6476627 Method and apparatus for temperature control of a device during testing Nov. 5, 2002

1 2 3 4 5 6 7 8

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