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)
10/1998
10/15/1998CA2285186A1 Current interrupter for electrochemical cells
10/14/1998EP0870306A1 Method of securing an electric contact to a ceramic layer as well as a resistance element thus manufactured
10/14/1998CN1196136A Polysilicon resistor and method of manufacturing it
10/13/1998US5822675 Heating elements and a process for their manufacture
10/08/1998WO1998044516A1 Resettable automotive circuit protection device
10/08/1998DE19814388A1 Thermistor element
10/07/1998CN2293888Y Organic compound sleeve spaceless metallic oxide lightning arrester
10/06/1998US5818677 Surge arrester having ridged terminals
10/06/1998US5818676 Multiple element PTC overcurrent protection device
10/06/1998US5817423 Positive temperature coefficient
10/06/1998CA2012253C Fail-safe surge arrester
10/01/1998WO1998043325A1 Device for supplying electric power to several parallel-fed circuits, and method for making same
10/01/1998DE19811870A1 Thermistor element for temperature detection or temperature compensation of circuit
09/1998
09/30/1998EP0867896A1 Protection device for a low-voltage electric circuit, module for such a protection device and circuit for this module
09/30/1998EP0867895A2 Current limiter and/or circuit breaker with PTC element
09/30/1998EP0725969B1 Electrically resistive structure
09/30/1998CN1194443A Lightning arrestor with thermoplastic envelope having embossed outside surface
09/30/1998CN1194442A Non-Linear voltage resistor and arrester
09/29/1998US5815065 Chip resistor device and method of making the same
09/29/1998US5815063 Positive temperature coefficient thermistor and fabrication method thereof
09/29/1998US5814849 Thin films of ABO3 with excess B-site modifiers and method of fabricating integrated circuits with same
09/29/1998US5814791 Electrical apparatus with a variable circuit protection device
09/29/1998US5814264 Continuous manufacturing methods for positive temperature coefficient materials
09/27/1998CA2233351A1 Current limiter and/or circuit breaker with ptc element
09/24/1998DE19807759A1 Method of manufacturing electronic components with uniform resistance values
09/23/1998EP0866474A1 Voltage nonlinear resistor and lightning arrester
09/23/1998EP0866473A1 Composite PTC material
09/23/1998EP0866472A2 Wide-range type thermistor element and method of producing the same
09/23/1998EP0866471A1 Polymeric PTC composition and circuit protection device made from the same
09/23/1998EP0865654A1 Electrical device
09/22/1998US5811033 Controlled particle size distribution; varistor
09/17/1998WO1998040943A1 Surge suppressing device
09/17/1998WO1998040942A1 Surge suppression device
09/16/1998CN2291712Y Over-current protection double-wire ceramic PTC element
09/16/1998CN2291711Y Faced over-current protection ceramic PTC element
09/15/1998US5808850 MOV surge arrester
09/15/1998US5808849 Method for the protection in particular of telecommunication installations and protection circuit for carrying out the method
09/15/1998US5808538 Electrical apparatus for overcurrent protection of electrical circuits
09/15/1998US5807510 Electric resistance element exhibiting voltage nonlinearity characteristic and method of manufacturing the same
09/15/1998US5807509 Single and multi layer variable voltage protection devices and method of making same
09/15/1998US5806171 Method and apparatus for polymeric type positive temperature coefficient thermistors
09/15/1998CA2050097C Voltage non-linear resistor and method of producing the same
09/11/1998WO1998039784A1 Ceramic multilayer printed circuit boards with embedded passive components
09/09/1998CN1192584A Semiconductor device having low-resistance region and method of mfg. the same
09/08/1998US5805049 Temperature-measuring-resistor, manufacturing method therefor, ray detecting element using the same
09/08/1998US5804797 PTC planar heater and method for adjusting the resistance of the same
09/08/1998US5802709 Method for manufacturing surface mount conductive polymer devices
09/03/1998WO1998038653A1 Improvements relating to electrical surge arresters
09/03/1998WO1998038652A2 Thick film chip resistor and its manufacture
09/02/1998EP0862255A1 Disconnector for surge arrester
09/02/1998EP0862192A1 Wide-range thermistor material and process for preparing the same
09/02/1998EP0862191A1 Ptc thermistor material
09/02/1998EP0862190A2 Thermistor
09/02/1998EP0862189A1 Thick-film resistor paste
09/02/1998EP0861492A1 Thin-film resistor and resistance material for a thin-film resistor
09/01/1998US5801612 Circuit protection
09/01/1998US5800768 Method for thermally treating electroconductive polymeric pyrogen
08/1998
08/26/1998EP0860013A1 Surge arrester
08/26/1998EP0760157B1 Electrical devices comprising a ptc resistive element
08/26/1998CN1191623A Method and apparatus for surface-mountable device for protection against electrostatic damage to electronic components
08/25/1998US5798685 Thermistor apparatus and manufacturing method thereof
08/20/1998WO1998036427A2 Current limiter
08/20/1998WO1998025285A3 Electrical fuse
08/19/1998EP0859377A2 Pillar-like, high current stable resistor, especially varistor based on metal oxide, and manufacturing process of such a resistor
08/18/1998US5796569 Cylindrical PTC circuit overcurrent protection device
08/18/1998CA2121642C Gas-discharge overvoltage arrester
08/12/1998EP0858085A1 Laminated chip varistor and production method thereof
08/11/1998US5793601 Composite fuctional device and method for producing the same
08/11/1998US5793278 Limiter for current limiting
08/11/1998US5793277 PTC element and its mounting member assembly for electrical junction box
08/11/1998US5793276 Organic PTC thermistor
08/11/1998US5793097 Semiconductor device having conducting structure
08/11/1998US5793025 High-frequency detecting elements and high-frequency heater using the same
08/06/1998WO1998018741A3 Passive electronic components prepared from suspensions of nanoscale ceramic powders
08/04/1998US5790363 Ethernet overvoltage/overcurrent protection system
08/04/1998US5790011 Positive characteristics thermistor device with a porosity occupying rate in an outer region higher than that of an inner region
08/04/1998US5789999 Distributed lossy capacitive circuit element with two resistive layers
08/04/1998US5789897 Component for motor start up circuit
07/1998
07/30/1998WO1998033193A1 Polymer composition
07/29/1998EP0855724A2 Electronic parts and manufacturing method thereof
07/29/1998CN1188779A Manufacture of positive temperature coefficient type conductive high polymer composite material using modified conductive filler
07/29/1998CN1039369C Electric surge discharger
07/23/1998WO1998032286A1 Electric component
07/23/1998WO1998032150A1 Thermistor system
07/23/1998DE19701476A1 Elektrisches Bauelement Electrical component
07/16/1998WO1998031203A1 Improvements in or relating to thermal trip arrangements
07/15/1998EP0853323A2 Electrical devices comprising a PTC resistive element
07/15/1998EP0853322A1 Low resistance electrical interface for current limiting polymers by plasma processing
07/15/1998EP0852801A1 Improved polymeric ptc compositions
07/15/1998CN1187901A Electrical devices and assemblies
07/14/1998US5781395 Electrical overstress pulse protection
07/14/1998US5781394 Surge suppressing device
07/14/1998US5781100 For use in a potentiometer
07/14/1998US5781098 Thermistor type temperature sensor with adjustable output signal indicative of temperature
07/09/1998WO1998029880A1 Chip network resistor and method for manufacturing the same
07/09/1998WO1998029879A1 Ptc thermistor and method for manufacturing the same
07/08/1998EP0852385A1 Current limiting device
07/08/1998CN1187013A Zinc oxide ceramic linear resistor and its producing method
07/07/1998US5777543 Ceramic resistor and electrostatic chuck having an aluminum nitride crystal phase
07/07/1998US5777541 Multiple element PTC resistor