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)
04/1993
04/02/1993CA2065899A1 Protector system for low voltage power feed
03/1993
03/31/1993EP0534872A1 Precision resistor and method of manufacturing
03/31/1993EP0534775A1 Thermistor
03/31/1993EP0534721A2 PTC composition
03/31/1993EP0533760A1 Method of manufacturing an electrical device
03/31/1993CN1070508A Thermosensitive heating wire
03/30/1993CA1315336C Electrical surge arrester/diverter
03/30/1993CA1315093C Highly densified voltage non-linear resistor and method of manufacturing the same
03/30/1993CA1315092C Voltage non-linear type resistors
03/24/1993EP0533248A2 Method of securing a conductor to a ceramic PCT
03/23/1993US5196145 Temperature self-controlling heating composition
03/23/1993CA1314949C Lightning arrester equipped with mobile varistor supporting rods
03/23/1993CA1314926C2 Electrical surge arrester/diverter
03/23/1993CA1314730C High temperature sensing apparatus
03/23/1993CA1314692C Varistor or capacitor and method of making same
03/18/1993WO1993005523A1 A ptc device with three terminals
03/17/1993EP0532224A1 Film-type power resistor
03/17/1993EP0532223A1 Film-type electrical resistor
03/17/1993EP0532085A1 Solid compositions of mixed metal oxides and electrical resistances obtained by sintering powders of said oxides
03/17/1993EP0532084A1 Process for the preparation of mixed metal oxide powder and its use for the production of capacitors and electrical resistors
03/17/1993EP0531317A1 Pre-engineered electrode/dielectric composite film and related manufacturing process for multilayer ceramic chip capacitors
03/17/1993EP0391900B1 Ntc temperature-sensing device and process for producing ntc temperature-sensing elements
03/16/1993US5195013 PTC conductive polymer compositions
03/10/1993EP0530273A1 Low voltage varistor array.
03/10/1993EP0289618B1 Electric resistor equipped with thin film conductor and power detector
03/10/1993CN1069822A 电阻式湿敏元件及其制备方法 Resistive humidity sensor and its preparation method
03/10/1993CA2077701A1 Process for making mixed metal oxide powder, and its use for making a powder used in fabricating electrical resistors and condensers
03/10/1993CA2077700A1 Solid mixed metal oxide compositions, and sintered electrical resistors made of mixed metal oxide powders
03/09/1993US5192940 Flat resistance for blower control unit for automobile air conditioner and blower control unit using the same
03/03/1993EP0530052A1 Method of manufacturing multilayer electronic component
03/03/1993EP0530003A1 Resistive metal layers and method for making same
03/03/1993EP0529195A1 Resistant paste for manufacturing thick-film resistors
03/02/1993US5191503 Lightning surge protector
03/02/1993US5190697 Process of making a ptc composition by grafting method using two different crystalline polymers and carbon particles
03/01/1993CA2116528A1 Circuit arrangement
02/1993
02/27/1993WO1993004490A1 Heating apparatus using ptc thermistor
02/27/1993CA2076738A1 Resistive metal layers and method for making same
02/23/1993US5189387 Surface mount device with foldback switching overvoltage protection feature
02/23/1993US5189284 Resistor, process for producing the same, and thermal head using the same
02/10/1993EP0526551A1 Semiconductor film bolometer thermal infrared detector.
02/09/1993US5185594 Temperature sensing cable device and method of making same
02/09/1993CA1313570C Metalization systems for heater/sensor elements
02/04/1993WO1993002461A1 Modular closing resistor
02/03/1993EP0526290A1 Strain dependent thin film based on cermet from tantalum and tantalum nitrid, its process of preparation and its application in a pressure sensor
02/02/1993US5184108 Conductive corners for surge survival
02/02/1993US5183698 Electrical overstress pulse protection
02/02/1993US5183530 Method of manufacturing diamond thermistors
01/1993
01/26/1993US5182540 Electrical resistor element and method of manufacturing the same
01/21/1993WO1993001641A1 High voltage surge arrester with failed surge arrester signaling device
01/21/1993DE4123251A1 Termination surfaces for metal thin-film resistance - has island shaped metal layers at both ends of each etched resistance
01/19/1993US5181007 Positive temperature coefficient
01/19/1993US5181006 Method of making an electrical device comprising a conductive polymer composition
01/13/1993EP0522863A1 Positive temperature coefficient device
01/12/1993US5178797 Conductive polymer compositions having improved properties under electrical stress
01/12/1993CA1312427C Electronic device
01/07/1993WO1993000689A1 Thermister device of positive characteristic
01/07/1993WO1993000688A1 Circuit protection devices
01/07/1993EP0521805A1 Defect indicator for arrester
01/07/1993EP0521013A1 Electrical protection apparatus.
01/07/1993CA2111844A1 Circuit protection devices
12/1992
12/29/1992US5175114 Method for production of a bidirectional nonlinear resistor, active matrix liquid crystal panel using bidirectional nonlinear resistor
12/29/1992US5175044 Sheet-like ceramic substrate for tip parts
12/29/1992US5174924 Positive temperature coefficient; high dibutyl phthalate absorption; mixture of crystalline polymer with cabon black
12/22/1992US5172466 Process for producing ptc temperature sensor elements for ptc temperature sensor
12/16/1992EP0518386A2 Lightning arrester insulator and method of making the same
12/15/1992US5172296 Solid state overvoltage protector assembly
12/15/1992US5171774 Ptc compositions
12/15/1992CA2049841A1 Solid state overvoltage protector assembly
12/09/1992EP0517372A2 PTC device
12/08/1992US5170032 Radiation manufacturing apparatus and amendment
12/08/1992US5169679 Printing patterns of high and low resistance materials on insulating substrate; adding copper-rich layer; overlapping; firing
12/08/1992US5169493 Method of manufacturing a thick film resistor element
12/08/1992CA1311262C Device for indicating the short-circuiting of a lightning arrester
12/02/1992EP0515558A1 Connection device for resistive elements and method of making therefor
12/01/1992US5168256 Resistor element using conductors having relatively low thermal conductivity
12/01/1992CA1310811C Lightning arrester and method of manufacturing same
11/1992
11/25/1992EP0514454A1 Device for motor and short-circuit protection.
11/25/1992CN2123134U Gapless disconnector for arresters
11/24/1992US5166658 Electrical device comprising conductive polymers
11/18/1992CN2122458U Heater having auto-regulating temp.
11/17/1992US5164698 Copper
11/17/1992US5164133 Process for the production of molded article having positive temperature coefficient characteristics
11/12/1992WO1992019945A1 Thermistor assemblies and methods for making same
11/12/1992CA2109431A1 Thermistor assemblies and methods for making same
11/11/1992EP0512703A1 Conductive polymer compositions
11/04/1992EP0511776A2 A thermally protected electric motor
11/03/1992US5160912 Thermistor
11/03/1992US5159748 Method and apparatus for manufacturing a surge arrester
10/1992
10/27/1992US5159300 Noise filter comprising a monolithic laminated ceramic varistor
10/27/1992US5159158 Electrical assembly with insulating collar for coupling sections of weathershed housings
10/21/1992EP0509582A2 SMD-resistor
10/21/1992EP0509420A2 Precision thick film elements
10/14/1992EP0508647A2 Arrestor unit
10/14/1992EP0508615A1 Film-type resistor assembly
10/14/1992CN2119044U Thermal protective motor
10/14/1992CN1065280A Compositions of cupric alloy
10/13/1992US5155649 Surge protector for telecommunications equipment
10/13/1992US5155464 Varistor of generally cylindrical configuration
10/13/1992CA2064679A1 Precision thick film elements
10/07/1992EP0507538A2 Electrical actuator with means for preventing dither at a limit switch