| 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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| 02/19/2009 | US20090046406 Overvoltage device with enhanced surge suppression |
| 02/19/2009 | US20090045908 Polymer Ptc Element |
| 02/19/2009 | US20090045907 Microvaristor-Based Overvoltage Protection |
| 02/18/2009 | EP2026360A1 Material with PTC behaviour for medium- and high-temperature application, self-regulating structures comprising same and manufacturing method |
| 02/18/2009 | EP2026359A1 Protective device |
| 02/18/2009 | CN201196910Y Packaging body used for sheet-type multilayer ceramic capacitor and sheet-type multi-layer piezoresistor |
| 02/18/2009 | CN201196893Y Multifunctional surge discharging module |
| 02/18/2009 | CN101369790A Energy-saving type integral single phase AC electric motor starting and protection device |
| 02/18/2009 | CN101369478A Nickel or nickel base alloy electrode sheet type resistor and method of producing the same |
| 02/18/2009 | CN101367649A Voltage dependent resistor dielectric material of zinc oxide and method of manufacturing electrical resistor |
| 02/18/2009 | CN101367648A Magnetic ZnO composite piezoresistive material and method of manufacturing the same |
| 02/18/2009 | CN100463323C Temperature safety apparatus |
| 02/18/2009 | CN100463079C Current/voltage non-linear resistor |
| 02/18/2009 | CN100463078C Resistor |
| 02/18/2009 | CN100462328C Graphite, phenolic resin, (Ba1-x-y, Srx, Pby) TiO3 based PTC thermistor and method for preparing the same |
| 02/18/2009 | CN100462317C Electronic device having lead and cadmium free electronic overglaze applied thereto |
| 02/12/2009 | WO2009019833A1 Metal oxide sintered body for thermistor, thermistor element, thermistor temperature sensor, and method for producing metal oxide sintered body for thermistor |
| 02/12/2009 | WO2008151967A3 Material in which the electrical resistance has a positive temperature coefficient, and method for the production thereof |
| 02/12/2009 | US20090042457 Method of manufacturing a crimped assembly, and related apparatuses |
| 02/12/2009 | DE19727009B4 Strombegrenzender Widerstand mit PTC-Verhalten Current-limiting resistor having PTC behavior |
| 02/12/2009 | DE10051388B4 Verfahren zur Herstellung einer keramischen Grünfolie und Verfahren zur Herstellung eines keramischen Vielschichtbauelements A process for producing a ceramic green sheet and method of manufacturing a ceramic multilayer component |
| 02/11/2009 | CN201194189Y Lightning arrester |
| 02/11/2009 | CN101364463A Chip resistor and preparation thereof |
| 02/11/2009 | CN101364462A Chip resistor and preparation thereof |
| 02/11/2009 | CN101364461A Perforating resistor defining chip resistor and preparation thereof |
| 02/05/2009 | DE112007000655T5 Thermisches Vorscannen elektrischer Schaltungen unter Verwendung thermisch trimmbarer Widerstände Thermal pre-scanning electrical circuits using thermally trimmable resistors |
| 02/04/2009 | EP2020009A1 Microvaristor-based overvoltage protection |
| 02/04/2009 | CN201191547Y 35kV tapper shape supporting column type composite sleeve gapless metal-oxide lighting arrester |
| 02/04/2009 | CN201191546Y High intensity insulated connecting rod |
| 02/04/2009 | CN201191545Y Switching overvoltage absorption apparatus |
| 02/04/2009 | CN101361406A Heat-generating element for an electrical heating device and method for manufacturing the same |
| 02/04/2009 | CN101361145A Surge arrester having at least one arresting element, for example a varistor |
| 02/04/2009 | CN101359528A Jointing construction for sampling valve plate for resistence leakage current of lightning arrester |
| 02/04/2009 | CN100459357C Voltage limiter |
| 02/04/2009 | CN100458983C Organic positive temperature coefficient thermistor |
| 02/04/2009 | CN100458982C Circuit protection device |
| 01/29/2009 | WO2009012550A2 Zinc oxide (zno) varistors degradation analysis system using parameters from the modified longevin model |
| 01/29/2009 | US20090027158 Stacked electronic part and method of manufacturing the same |
| 01/29/2009 | US20090027157 Varistor and electronic component module using same |
| 01/29/2009 | DE102008033664A1 Varistor Varistor |
| 01/29/2009 | DE102008031663A1 Keramikverbindung für nichtlineare Widerstände, elektronisches Bauelement und Mehrschicht-Chip-Varistor Ceramic compound for nonlinear resistors, electronic component and multilayer chip varistor |
| 01/28/2009 | EP2019395A2 Stacked electronic part and method of manufacturing the same |
| 01/28/2009 | EP2018791A1 Material and heating cable |
| 01/28/2009 | CN201188337Y Low-voltage film piezoresistor for protecting low-voltage electronic circuit and electric appliance |
| 01/28/2009 | CN101354937A Integrated thermistor and metallic element device and method |
| 01/28/2009 | CN101354936A Method for preparing additive for zinc oxide resistance slice |
| 01/28/2009 | CN101354935A Stacked electronic part and method of manufacturing the same |
| 01/28/2009 | CN101354934A Alloy foil resistance chip and preparation method thereof |
| 01/28/2009 | CN100456394C Method for making double-layer alloy plating metallic film resistor |
| 01/28/2009 | CN100455636C Electrically heatable pressure-sensitive adhesive compound |
| 01/27/2009 | US7483251 Multiple planar inductive loop surge suppressor |
| 01/27/2009 | US7483248 Method and apparatus for detecting current changes in integrated circuits |
| 01/22/2009 | WO2009012369A2 Thick film layered resistive device employing a dielectric tape |
| 01/22/2009 | US20090021342 Thick Film Layered Resistive Device Employing a Dielectric Tape |
| 01/22/2009 | US20090021341 Varistor |
| 01/22/2009 | US20090021340 Multilayer ceramic electronic component |
| 01/22/2009 | CA2693199A1 Thick film layered resistive device employing a dielectric tape |
| 01/21/2009 | EP2016596A1 Use of b203 in a tin oxide-based semi conductive ceramic for reducing the leakage current thereof and for possibly stabilizing the electrical properties thereof |
| 01/21/2009 | CN201185111Y Flake type thermister |
| 01/21/2009 | CN201185110Y Puncture type lightning protection insulator |
| 01/21/2009 | CN101350242A Method for sintering zinc oxide resistance sheet |
| 01/21/2009 | CN101350241A Varistor |
| 01/21/2009 | CN101350240A Stacking slice type piezoresistor and manufacturing method thereof |
| 01/21/2009 | CN101350239A Stacking slice type piezoresistor and manufacturing method thereof |
| 01/21/2009 | CN101350238A Method for processing surface of stacking slice type electronic element |
| 01/21/2009 | CN100454447C Single-layer three-phase sudden-wave absorber and its manufacturing method |
| 01/21/2009 | CN100454443C Environment pretection leadless surface silver coating for PTC ceramic and its preparation method |
| 01/20/2009 | CA2356383C Improved lightning arrestor based on electrical varistors |
| 01/15/2009 | US20090019414 High tolerance tcr balanced high current resistor for rf cmos and rf sige bicmos applications and cadenced based hierarchical parameterized cell design kit with tunable tcr and esd resistor ballasting feature |
| 01/15/2009 | US20090015367 Nonlinear resistor ceramic composition, electronic component, and multilayer chip varistor |
| 01/14/2009 | EP2015318A2 Stacked PTC thermistor and process for its production |
| 01/14/2009 | EP2014626A1 Semiconductor ceramic composition |
| 01/14/2009 | CN201181637Y Lightning protection distribution transformer |
| 01/14/2009 | CN201181617Y Labeling seat and electronic element using the same |
| 01/14/2009 | CN101345105A Nonlinear resistor ceramic composition, electronic component, and multilayer chip varistor |
| 01/14/2009 | CN100452609C Over voltage breaking protector |
| 01/08/2009 | US20090011526 Increasing an electrical resistance of a resistor by nitridization |
| 01/07/2009 | EP2011128A1 Process for the dimensioning of an arresting element cut-off switch offor a surge absorberarrester |
| 01/07/2009 | EP1484772B1 Ptc thermistor and method for manufacturing ptc thermistor |
| 01/07/2009 | CN201178099Y LED and thermistor of positive temperature coefficient |
| 01/07/2009 | CN101341558A Stacked semiconductor ceramic capacitor with varistor function and method for manufacturing the same |
| 01/07/2009 | CN100449902C Inserting electric device, especially overvoltage discharger |
| 01/07/2009 | CN100449655C Surface-mounted thermistor and manufacturing method thereof |
| 01/07/2009 | CN100449654C Electronic device and process of making electronic device |
| 01/06/2009 | US7474076 Secondary battery with positive temperature coefficient (PTC) safety element |
| 01/01/2009 | US20090002911 Over voltage protection device with an air-gap |
| 01/01/2009 | US20090002910 Over voltage protection device with an air-gap |
| 01/01/2009 | US20090002123 Ti(N) thin-film resistor deposited on ALN substrate and attenuator using same |
| 01/01/2009 | US20090002122 System for setting shutdown voltage of electronic device |
| 12/31/2008 | WO2009001649A1 Esd protection element manufacturing method |
| 12/31/2008 | EP2009749A2 Method of dissipating an electric over-voltage potential |
| 12/31/2008 | EP2009647A1 Method for fabricating thin film sensor, thin film sensor and thin film sensor module |
| 12/31/2008 | EP2008287A1 Electrical ptc thermistor component, and method for the production thereof |
| 12/31/2008 | CN201174327Y Split type intelligent lightning protecting accessory |
| 12/31/2008 | CN201174285Y Chip type ceramic component having overcurrent protection and electrostatic protection function |
| 12/31/2008 | CN101336459A Cage-type surge arrester and production method thereof |
| 12/31/2008 | CN101336458A Cage-type surge arrester |
| 12/31/2008 | CN101335127A Electrical assembly comprising PTC-resistor elements |
| 12/31/2008 | CN101335126A Low-voltage film pressure sensitive resistor based on c axis directional pillar shaped ZnO film |
| 12/31/2008 | CN101335125A Surface mounted over-current over-temperature protection element and manufacturing process |