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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
6072154 Selectively activated shape memory device Jun. 6, 2000
6054676 Method and apparatus for cooling an integrated circuit device Apr. 25, 2000
6049061 Heater for use in a mobile radio base station Apr. 11, 2000
6046433 Monolithic integrated circuit die heater and methods for using same Apr. 4, 2000
6031729 Integral heater for reworking MCMS and other semiconductor components Feb. 29, 2000
6010754 Thermal head producing method Jan. 4, 2000
6008475 Heat providing structure for an electrical assembly Dec. 28, 1999
5994679 Thermal housing for optical circuits Nov. 30, 1999
5994669 Battery warmer with timer switch Nov. 30, 1999
5984165 Method of bonding a chip part to a substrate using solder bumps Nov. 16, 1999
5973293 System for controlling the internal temperature of an ice skate boot Oct. 26, 1999
5968420 Electrically conductive fluid or semifluid material Oct. 19, 1999
5968386 Method for protecting electronic components Oct. 19, 1999
5954978 Substrate, a module and a method for fastening components of the module to the substrate Sep. 21, 1999
5951893 Integrated circuit pad structure with high temperature heating element and method therefor Sep. 14, 1999
5948298 Battery heating system Sep. 7, 1999
5938956 Circuit and method for heating an adhesive to package or rework a semiconductor die Aug. 17, 1999
5935466 System and method for reducing inaccuracies caused by temperature drift in D/A converters Aug. 10, 1999
5919383 Package for a temperature-sensitive optical component with inner and outer containers and resistive element therein Jul. 6, 1999
5915462 High efficiency thermal interposer Jun. 29, 1999
5911897 Temperature control for high power burn-in for integrated circuits Jun. 15, 1999
5896259 Preheating device for electronic circuits Apr. 20, 1999
5895591 Ceramic heater and oxygen sensor Apr. 20, 1999
5862040 Smart pallet for burn-in testing of computers Jan. 19, 1999
5859407 Connecting board for connection between base plate and mounting board Jan. 12, 1999
5844208 Temperature control system for an electronic device in which device temperature is estimated from heater temperature and heat sink temperature Dec. 1, 1998
5828034 Warmed computer input peripherals for keeping a computer user's hand and fingers warm and comfortable Oct. 27, 1998
5821505 Temperature control system for an electronic device which achieves a quick response by interposing a heater between the device and a heat sink Oct. 13, 1998
5818097 Temperature controlling cryogenic package system Oct. 6, 1998
5798502 Temperature controlled substrate for VLSI construction having minimal parasitic feedback Aug. 25, 1998
5767489 Enhanced resolution liquid crystal microthermography method and apparatus Jun. 16, 1998
5760595 High temperature electromigration stress test system, test socket, and use thereof Jun. 2, 1998
5731568 Battery heating device and method Mar. 24, 1998
5710507 Temperature-controlled battery reserve system and method of operation thereof Jan. 20, 1998
5700987 Alignment and bonding techniques Dec. 23, 1997
5690849 Current control circuit for improved power application and control of thermoelectric devices Nov. 25, 1997
5672289 Heater control circuit Sep. 30, 1997
5669437 High efficiency thermal interposer Sep. 23, 1997
5645123 Semiconductor device having temperature regulation means formed in circuit board Jul. 8, 1997
5639393 Electrically heated optoelectronic device for detecting moisture on a transparent pane Jun. 17, 1997
5635893 Resistor structure and integrated circuit Jun. 3, 1997
5628929 Thermal control apparatus and method May. 13, 1997
5591364 Housing with integral opening feature Jan. 7, 1997
5585024 Protecting device for protecting an electronic equipment in order to use the electronic equipment under a hostile environment Dec. 17, 1996
5580275 Heated electrical coupler Dec. 3, 1996
5574627 Apparatus for preventing the formation of condensation on sub-cooled integrated circuit devices Nov. 12, 1996
5543923 Sensor device Aug. 6, 1996
5508126 Device for improving the current output of a chargeable battery at low outside temperatures Apr. 16, 1996
5486680 Warming system using a flexible battery Jan. 23, 1996
5434385 Dual channel D.C. low noise measurement system and test methodology Jul. 18, 1995

1 2 3 4 5 6 7 8










 
 
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