Patents
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)
07/2008
07/09/2008CN201083556Y Trouble-proof temperature sensor
07/09/2008CN101217067A A lead free aluminum electrode slurry of PTC thermo-sensitive resistor and preparation method
07/09/2008CN101217066A A layered polymer matrix PTC material and preparation method
07/09/2008CN100400583C Composite material for electric heating and overheat protection and preparation thereof
07/09/2008CN100400292C Ink head substrate, ink head and method for making ink head substrate
07/09/2008CN100400109C Electricallyheated vapour dispensing apparatus
07/03/2008WO2008077808A1 Surge arrester
07/03/2008US20080157917 Method to increase capacity of a passive element to inrush current
07/03/2008US20080156228 Pigment of nanopowders of vanadium and an additional element; exhibiting transparency to a visible wavelength of light that differs by more than 20%; nanopowders having a domain size of less than 100 nanometers
07/03/2008DE102006060978A1 Surface-mountable device element i.e. surface mountable device temperature gauge, for heating coupling section of e.g. flow controller, has side with contact point electrically isolated by another side for contacting device element
07/02/2008EP1939899A1 Stacked positive coefficient thermistor
07/02/2008EP1939898A1 Stacked positive coefficient thermistor
07/02/2008EP1497838B1 Method for the production of a ptc component
07/02/2008CN101213155A Semiconductor porcelain composition and method of producing the same
07/02/2008CN101211683A Temperature coefficient accurate setting electric resistor and manufacture thereof
07/01/2008US7394344 Chip resistor and method for manufacturing the same
07/01/2008US7393717 Diamond-based electrical resistor component
06/2008
06/26/2008US20080151460 Surge Arrester Having a Discharge Element
06/26/2008US20080150672 Bistable microelectronic switch stack
06/26/2008DE19915661B4 Monolithischer Varistor Monolithic varistor
06/26/2008DE102007056111A1 Method for manufacturing over-voltage protector, involves forming stack from two terminal blocks and divertor block and stack is inserted into form with plastic material for forming of external housing
06/26/2008DE102006060634A1 Verfahren zur Herstellung eines elektrischen Widerstands auf einem Substrat A method of manufacturing an electrical resistance on a substrate
06/26/2008DE102006060387A1 Widerstand, insbesondere SMD-Widerstand, und zugehöriges Herstellungsverfahren Resistance, in particular SMD resistor, and associated production method
06/25/2008EP1936639A1 Surge arrester
06/25/2008EP1935684A1 Electric heater or auxiliary heater, in particular for a heating or air conditioning system of a motor vehicle
06/25/2008CN101208759A Surge arrester with a cage embodiment
06/25/2008CN101206939A Method for manufacturing piece type base metal resistor
06/25/2008CN101206938A Passive element with high surge current tolerance and method for advancing tolerance thereof
06/24/2008US7391295 High voltage over-current protection device
06/19/2008WO2008073170A1 High resistivity thin film composition and fabrication method
06/19/2008WO2008071350A1 Electric heater or auxiliary heater, especially for a heating or air-conditioning system of a motor vehicle
06/19/2008WO2008071349A1 Electric heater or auxiliary heater, especially for a heating or air-conditioning system of a motor vehicle
06/19/2008WO2008071348A1 Electric heater or auxiliary heater, especially for a heating or air-conditioning system of a motor vehicle
06/19/2008WO2008071271A1 Rf terminating resistor of flanged construction
06/19/2008US20080142764 Conductive nanocomposite films
06/19/2008CA2666483A1 Rf terminating resistor of flanged construction
06/18/2008EP1933598A1 Electrical heater or supplementary heater, in particular for a heating or air conditioning assembly of a vehicle
06/18/2008EP1933597A1 Electrical heater or supplementary heater, in particular for a heating or air conditioning assembly of a vehicle
06/18/2008EP1933336A1 Metal foil resistor
06/18/2008CN201075321Y Lightning protection device of electronic product
06/18/2008CN101203922A Chip resistor and its manufacturing process
06/18/2008CN101203921A Varistor-based field control tape
06/18/2008CN101202137A Voltage dependent resistor with hot protection function
06/18/2008CN100395849C Ternary system negative temperature coefficient thermosensitive resistance material and its producing method
06/17/2008US7388042 Nanotechnology for biomedical implants
06/17/2008US7387673 Controlling particle size of powder; mixing, heating metal particles in matrix
06/12/2008WO2008069190A1 Static electricity control part and process for manufacturing the same
06/12/2008US20080136578 Method for Sheathing a Varsitor Block with an Electrically Insulating Sheath, as well as a Varsitor Block for a Surge Arrester
06/11/2008CN201072678Y Composite casing metal oxide arrester for maintenance-free alternating current electric power line
06/11/2008CN201072677Y Piezoresistor with novel protective device for short-circuit
06/11/2008CN101199029A Overvoltage protection with status signalling
06/11/2008CN101197204A Lighting arrester
06/11/2008CN101197203A Tin oxide piezoresistance material and method for producing the same
06/11/2008CN101197202A Chip resistor and method of producing the same
06/11/2008CN100394517C Method for preparing ZnO ceramic film low-voltage piezoresistor
06/10/2008CA2487223C Extended temperature range thermal variable-resistance device
06/05/2008US20080129442 Method of Manufacturing a Varistor
06/05/2008US20080128619 Infrared Imaging Element
06/04/2008EP1927117A1 A trimmable film resistor and a method for forming and trimming a film resistor
06/04/2008EP1165311A4 Multilayer ceramic circuit boards with embedded resistors
06/04/2008CN201069686Y A voltage sensitive resistor easy for manufacturing
06/04/2008CN101192461A High polymer PTC chip electrical heating composite process
06/04/2008CN100392772C Multi-use heating device for evaporation of active substances
06/03/2008US7382596 Method and apparatus for protecting a digital video recorder
06/03/2008US7382224 Over-current protection device
06/03/2008US7380333 Chip resistor fabrication method
05/2008
05/29/2008WO2008061368A1 Positive temperature heating element with heat sinks
05/29/2008WO2008061367A1 Integrated thermoelectric cooling element and positive temperature coefficient heater
05/29/2008US20080122573 Apparatus and method for clamping a voltage on a line
05/29/2008US20080122035 Semiconductor device
05/29/2008DE19908444B4 Verfahren zur Herstellung eines Thermistorelements A process for producing a thermistor element
05/28/2008EP1606337B1 Electrically heatable pressure-sensitive adhesive compound
05/28/2008CN101189688A Chip resistor and its manufacturing method
05/28/2008CN101188164A An instantaneous voltage restraint component and its making method
05/28/2008CN101188156A Heat sensitive resistor for high Curie temperature BaTiO3 base positive temperature coefficient and its making method
05/28/2008CN101188155A Heat sensitive resistor for Ni/BaTiO3 base compound positive temperature coefficient and its making method
05/28/2008CN100390905C Leadless ohmic electrode silver coating for PTC ceramic and its preparation method
05/27/2008US7378937 Chip resistor and method of making the same
05/27/2008CA2400579C Overvoltage protection device including wafer of varistor material
05/22/2008WO2007106896A3 Surge protection device for coaxial cable with diagnostic capabilities
05/21/2008EP1664698B1 Component and method for the production thereof
05/21/2008CN101185212A A device for a remote monitoring the state of at least a single-pole surge protection
05/21/2008CN101183578A Plate type NTC thermosensitive resistor with low resistor and high B value and its making method
05/21/2008CN101183577A Anti-voltage surge PTC thermosensitive resistor and its making method
05/21/2008CN101183576A Plug-in type thermal sensitive element with overflowing and ESD double protection and method of producing the same
05/21/2008CN101183575A Novel plug-in thermal sensitive element with overflowing and ESD double protection and method of producing the same
05/21/2008CN100389529C Surge protector module containing voltage-dependent resistor disc
05/20/2008US7375943 Tri-phase surge protector and its manufacturing method
05/15/2008DE102006053986A1 Lightning arrester for use in electric power transmission network, has casing with optically transparent section, where section has level indicator which is inserted into casing
05/15/2008CA2654216A1 Resistor, particularly an smd resistor, and associated production method
05/14/2008EP1921637A2 Electrical assembly comprising PTC-resistor elements
05/14/2008EP1921636A2 Electrical assembly comprising PTC-resistor elements
05/14/2008EP1920445A1 A method of manufacturing a varistor
05/14/2008EP1570496B1 Conductive polymer device and method of manufacturing same
05/14/2008CN201061134Y Zero power consumption surge protector
05/14/2008CN201060713Y Electronic scale weighing sensor metallic foil temperature compensation electrical resistor
05/14/2008CN201060712Y High precision metal foil resistor instrument measuring apparatus
05/14/2008CN201060710Y Flame-proof and explosion-proof packaging structure for piezoresistor
05/14/2008CN101178960A Electrical assembly comprising PTC-resistor elements
05/14/2008CN101178959A High voltage resistant over-current protective element
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