| Patents for H01C 7 - Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material (13,712) |
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| 04/22/2009 | CN100481278C Lamination type pottery-gold rheostat |
| 04/21/2009 | US7522399 Surge arrester |
| 04/21/2009 | US7522030 Starter relay |
| 04/16/2009 | US20090097300 Variable resistance element, its manufacturing method and semiconductor memory device comprising the same |
| 04/16/2009 | US20090096569 Ceramic Component Element And Ceramic Component And Method For The Same |
| 04/16/2009 | US20090096568 Variable resistance element, and its manufacturing method |
| 04/16/2009 | DE10211029B4 Temperatursensor Temperature sensor |
| 04/16/2009 | DE102008048840A1 Surge arrester, has wedge holding glass-fiber reinforced plastic bars in through hole of fitting, and slot pre-formed in longitudinal direction of bars whose base is rounded off, where wedge is engaged in section of slot |
| 04/16/2009 | CA2640987A1 Device having at least one ptc resistor |
| 04/15/2009 | EP2047487A1 Overvoltage protection device with mechanical arresting device activated in the case of thermal overload |
| 04/15/2009 | EP2047486A1 Resistor element with ptc properties and high electrical and thermal conductivity |
| 04/15/2009 | EP1883934B1 Surge arrester with a cage embodiment |
| 04/15/2009 | CN201222389Y Electric iron 27.5KV detachable type composite material zinc oxide lightning arrester |
| 04/15/2009 | CN201222388Y Improved safety type lightning protection device |
| 04/15/2009 | CN201222387Y High molecule PTC chip and surface paste-loading type overcurrent over-temperature protection element |
| 04/15/2009 | CN100479185C Resistance device and mfg. method |
| 04/15/2009 | CN100479072C Over current protection element |
| 04/15/2009 | CN100478392C High-temperature-resisting thermosensitive resistance composite material and its production |
| 04/09/2009 | WO2009044462A1 Lightning arrestor |
| 04/09/2009 | WO2009043826A1 Electrical multilayer component and method for producing an electrical multilayer component |
| 04/08/2009 | EP2044599A2 Resistor assembly |
| 04/08/2009 | CN201219054Y Paster glass seal type negative temperature coefficient thermistor |
| 04/08/2009 | CN101404386A Lightning protection device for communication product |
| 04/08/2009 | CN100477438C Integrated device providing overcurrent and overvoltage protection and common-mode filtering to data bus interface |
| 04/08/2009 | CN100477031C Method for forming outer electrode of electronic element and said electronic element |
| 04/08/2009 | CN100477023C Connection structure of outer shell for safe type piezoresistor |
| 04/08/2009 | CN100477022C PTC composite, manufacturing method thereof and obtained thermosensitive electronic material therefrom |
| 04/08/2009 | CN100477021C Techniques for fabricating a resistor on a flexible base material |
| 04/07/2009 | US7515032 Combined PTC device |
| 04/02/2009 | US20090085715 Power resistor |
| 04/02/2009 | US20090085714 Thermistor |
| 04/02/2009 | US20090085713 Low Profile Heater |
| 04/02/2009 | DE10211034B4 Temperatursensor Temperature sensor |
| 04/01/2009 | EP2043110A2 Sheath wire and sheet resistance |
| 04/01/2009 | EP1911047B1 Circuit protection device having thermally coupled mov overvoltage element and pptc overcurrent element |
| 04/01/2009 | EP1692921B1 Fluid heating device and continuous flow heater |
| 04/01/2009 | CN201215750Y Composite outer sleeve seamless zinc oxide lightning arrester having insulation conducting wire |
| 04/01/2009 | CN201215749Y 电涌放电器 Surge arresters |
| 04/01/2009 | CN201215748Y Thermistor device for circuit |
| 04/01/2009 | CN101401269A Arrester |
| 04/01/2009 | CN101401172A Ceramic component element and ceramic component and method for the same |
| 04/01/2009 | CN101399106A Aurum-nickel doped monocrystalline silicon sheet type negative temperature coefficient heat-variable resistor and method for making same |
| 04/01/2009 | CN101399105A Thermistor |
| 04/01/2009 | CN101399104A Monocrystalline silicon positive temperature coefficient sheet type heat-variable resistor and method for making same |
| 04/01/2009 | CN101399103A Multilayer high molecular positive temperature coefficient thermal sensitive resistor |
| 04/01/2009 | CN101399102A Sheath wire and sheet resistance |
| 04/01/2009 | CN101399101A Film resistor structure and method for manufacturing same |
| 04/01/2009 | CN101399100A Low-resistance thermosensitive resistor and its making method thermister chip and method for manufacturing same |
| 04/01/2009 | CN100474459C Surface mounted high-molecular based circuit protector and preparing process thereof |
| 03/26/2009 | WO2009038418A2 Varistor and varistor apparatus |
| 03/26/2009 | US20090079535 Varistor and varistor apparatus |
| 03/26/2009 | DE102007044453A1 Elektrisches Vielschichtbauelement Electrical multilayer component |
| 03/25/2009 | CN201213197Y Lightning protection system |
| 03/25/2009 | CN101395100A Semiconductor ceramic composition and method for producing the same |
| 03/25/2009 | CN101393798A Multilayer ceramic device and mounting structure therefor |
| 03/25/2009 | CN100472674C Overcurrent protection component |
| 03/25/2009 | CN100472673C Multilayer chip varistor |
| 03/25/2009 | CN100472672C High voltage withstanding over current protection element and its manufacturing method |
| 03/25/2009 | CN100472671C Resistor and electronic device |
| 03/25/2009 | CN100471820C Sintered electroconductive oxide, thermister element using sintered electroconductive oxide, and temperature sensor using thermal resistor element |
| 03/24/2009 | US7508644 Spark gap apparatus and method for electrostatic discharge protection |
| 03/24/2009 | US7508639 Input/output devices with robustness of ESD protection |
| 03/24/2009 | US7507382 Zinc oxide nanoparticles produced by laser pyrolysis |
| 03/19/2009 | WO2009034082A2 Method for producing a multi-layer component |
| 03/19/2009 | WO2009034081A1 Damage-limiting switching device for surge arresters such as varistors, spark gaps or similar means |
| 03/18/2009 | EP2037467A1 Stacked semiconductor ceramic capacitor with varistor function and method for manufacturing the same |
| 03/18/2009 | EP2036099A1 Battery sensor unit and method for producing the battery sensor unit |
| 03/18/2009 | CN201210661Y PTC starter for compressor |
| 03/18/2009 | CN201210434Y Metal oxide resistor chip |
| 03/18/2009 | CN201210433Y Pasted sheet type thermistor |
| 03/18/2009 | CN201210432Y Welding type thermistor |
| 03/18/2009 | CN201210431Y Welding type negative temperature coefficient thermistor |
| 03/18/2009 | CN201210430Y Glass sealed thermistor |
| 03/18/2009 | CN201210429Y Thermistor |
| 03/18/2009 | CN101389581A Semiconductor ceramic composition |
| 03/12/2009 | US20090066472 Gas sensor, air-fuel ratio controller, and transportation apparatus |
| 03/11/2009 | CN201207318Y Metal oxide lightning arrester used for ultra-high voltage electric grid and power transmission and transformation system |
| 03/11/2009 | CN101383209A Ultra-high voltage can type lightning arrestor without parallel voltage equalizing capacitor |
| 03/11/2009 | CN101383208A Preparation of high voltage gradient zinc oxide varistor valve |
| 03/11/2009 | CN101383207A Surge protector having novel plug device |
| 03/11/2009 | CN100468897C Gas insulated switching apparatus and its applicaiton in circuit breaker with earthing shell |
| 03/11/2009 | CN100468894C Multi-gap combined protective device for overvoltage protection system |
| 03/11/2009 | CN100468582C Nanometer doped composite low-voltage zinc oxide pressure sensitive resistor and its manufacture |
| 03/10/2009 | US7501927 High-power resistor |
| 03/05/2009 | WO2009028865A2 Surge absorber with side gap electrode and method of manufacturing the same |
| 03/05/2009 | DE102007042468A1 Electronic circuit components have structured surfaces to improve current and voltage conductivity |
| 03/05/2009 | DE102007040407A1 PTC-Anordnung PTC device |
| 03/04/2009 | CN201204108Y Electrified replaceable automatic-release type arrester |
| 03/04/2009 | CN201204107Y Integrated intelligent prewarning type metal-oxide arrester |
| 03/04/2009 | CN201204106Y Low-voltage film piezoresistor with adjustable threshold voltage |
| 03/04/2009 | CN100466112C Resistor |
| 02/26/2009 | WO2009025178A1 Semiconductor ceramic material and ntc thermistor |
| 02/26/2009 | US20090052223 Switching Element, Method of Manufacturing the Switching Element, and Memory Element Array |
| 02/25/2009 | CN201199660Y Safety device for motor |
| 02/25/2009 | CN101373663A Method for manufacturing electronic component |
| 02/25/2009 | CN100464378C A piezoresistor having arc-extinguishing and flame-proofing function |
| 02/24/2009 | US7495877 Circuit configuration and method to reduce ringing in the semiconductor power switching circuits |
| 02/24/2009 | US7495194 Heating apparatus and heating method |
| 02/19/2009 | WO2009022655A1 Ptc device and process for manufacturing the same |
| 02/19/2009 | US20090046408 Surge arrester with a cage design, and a production method for it |