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Class Information
Number: 338/21
Name: Electrical resistors > Resistance value responsive to a condition > Current and/or voltage (e.g., ballast resistor) > Voltage surge-responsive or lightning arrester type
Description: Subject matter wherein the resistance element is formed of material whose resistance value changes sharply and often discontinuously upon a change in terminal voltage from a low to a relatively high value or upon a rise in the terminal voltage above a threshold value.










Patents under this class:
1 2 3 4 5 6 7 8 9

Patent Number Title Of Patent Date Issued
8643462 Switch module Feb. 4, 2014
8629751 High amperage surge arresters Jan. 14, 2014
8629752 Suppressor Jan. 14, 2014
8625248 Electrostatic discharge protector Jan. 7, 2014
8618904 ESD protection device Dec. 31, 2013
8610534 Component Dec. 17, 2013
8584348 Method of making a surface coated electronic ceramic component Nov. 19, 2013
8562871 Composition and associated method Oct. 22, 2013
8562859 Voltage nonlinear resistor, lightning arrester equipped with voltage nonlinear resistor, and process for producing voltage nonlinear resistor Oct. 22, 2013
8552831 Chip varistor Oct. 8, 2013
8535575 Current-voltage non-linear resistor and method of manufacture thereof Sep. 17, 2013
8525634 Chip varistor Sep. 3, 2013
8508325 Chip varistor and chip varistor manufacturing method Aug. 13, 2013
8508326 Surge protection device using metal oxide varistors (MOVs) as the active energy control multiple gap discharging chain Aug. 13, 2013
8508328 Insertable polymer PTC over-current protection device Aug. 13, 2013
8502637 Surge protective device with thermal decoupler and arc suppression Aug. 6, 2013
8487735 Varistor ceramic, multilayer component comprising the varistor ceramic, and production method for the varistor ceramic Jul. 16, 2013
8471673 Varistor and method for manufacturing varistor Jun. 25, 2013
8471672 Electrical multilayer component Jun. 25, 2013
8446245 Over-current protection device May. 21, 2013
8421582 ESD protection device and manufacturing method therefor Apr. 16, 2013
8400254 Surge absorbing element Mar. 19, 2013
8350660 Resin composition for filling discharge gap and electrostatic discharge protector Jan. 8, 2013
8313672 Process for producing surge absorbing material with dual functions Nov. 20, 2012
8310799 Transient voltage protection device, material, and manufacturing methods Nov. 13, 2012
8305184 Surge arrester Nov. 6, 2012
8274357 Varistor having ceramic case Sep. 25, 2012
8274356 Voltage dependent resistor with overheated protection structure Sep. 25, 2012
8242875 Thin film type varistor and a method of manufacturing the same Aug. 14, 2012
8217750 3-electrode surge protective device Jul. 10, 2012
8217751 Electronic device and method Jul. 10, 2012
8207813 Electronic device and method Jun. 26, 2012
8203421 Substrate device or package using embedded layer of voltage switchable dielectric material in a vertical switching configuration Jun. 19, 2012
8199450 ESD protection utilizing radiated thermal relief Jun. 12, 2012
8198975 Over-current protection device Jun. 12, 2012
8188833 Variable resistance element and manufacturing method of the same May. 29, 2012
8179225 Ceramic electronic component, manufacturing method of ceramic electronic component, and packaging method of ceramic electronic components May. 15, 2012
8174353 Varistor and varistor apparatus May. 8, 2012
8169294 Over-current protection device May. 1, 2012
8164413 Electric insulation arrangement Apr. 24, 2012
8154839 High voltage surge arrester and method of operating the same Apr. 10, 2012
8143992 Multilayer chip varistor Mar. 27, 2012
8130071 Varistor comprising an insulating layer produced from a loading base glass Mar. 6, 2012
8125307 Aggregate substrate, production method of aggregate substrate, and varistor Feb. 28, 2012
8125308 Relocatable power tap with surge suppression or surge protection and a method for its manufacture Feb. 28, 2012
8077008 Varistor and production method Dec. 13, 2011
8058965 Electrical multilayer component with reduced parasitic capacitance Nov. 15, 2011
8044761 Varistor Oct. 25, 2011
8026787 Ceramic component element and ceramic component and method for the same Sep. 27, 2011
8013711 Variable resistance element, semiconductor device, and method for manufacturing variable resistance element Sep. 6, 2011

1 2 3 4 5 6 7 8 9










 
 
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