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)
02/1995
02/28/1995US5393597 Overvoltage protection element
02/26/1995CA2130622A1 Electrical resistance element and use of this resistance element in a current limiter
02/22/1995CN2190339Y ZnO high voltage conductor
02/21/1995CA1334480C Conductive polymer composition
02/15/1995EP0638910A2 Sintered ceramic for stable high temperature-thermistors and their method of manufacture
02/15/1995CN1027666C High polymers positive temp. coefficient thermal resistor material
02/15/1995CN1027634C Manufacturing method of positive temp. coefficient thermal resistor ceramics superfine powder
02/14/1995CA1334335C Self-current limited devices and method of making same
02/09/1995DE4331381C1 Method for the production of electrical multi-layer resistor elements
02/08/1995EP0637292A1 Sintered-ceramic material for high-stability thermistors, and a method of producing the material
02/08/1995EP0423368B1 Electronic part with safe-guard function
02/07/1995US5388023 Gas-disccharge overvoltage arrester
02/07/1995US5387559 Mixture of niobium lanthanum boride, non-reducing glass frit, organic vehicle and metal oxide additive; TCR shifts in minus direction
02/07/1995CA2023286C Temperature-compensated thermal protector
01/1995
01/31/1995US5386335 Surge absorber
01/31/1995US5385785 Apparatus and method for providing high temperature conductive-resistant coating, medium and articles
01/26/1995WO1995002897A1 Chemical vapor deposition process for fabricating layered superlattice materials
01/25/1995EP0635852A2 Semiconductor ceramic device
01/24/1995US5384076 Resistive film-forming composition and electronic components using the same
01/19/1995DE4324038A1 Chip resistor
01/18/1995EP0634757A1 An arrester, an arrester assembly, and method of forming an arrester assembly
01/18/1995EP0634756A2 Metal oxide resistor, power resistor, and power circuit breaker
01/17/1995US5382938 PTC element
01/17/1995US5382385 Sintered varistor material with small particle size
01/17/1995US5382384 Thermoplastic and thermosetting blends for heat resistance
01/12/1995WO1995001642A1 Conductive polymer composition
01/12/1995CA2166205A1 Conductive polymer composition
01/11/1995EP0633580A1 Power surge resistor pastes
01/05/1995DE4320836A1 Process for preparing a doping element metal oxide powder for ceramic zinc oxide varistors
01/04/1995EP0429633B1 Thermistor and method of making the same
01/03/1995US5379190 Chip-type composite electronic part and manufacturing method therefor
01/03/1995US5379016 Chip resistor
01/03/1995US5378407 Conductive polymer composition
12/1994
12/22/1994WO1994029888A1 Overvoltage diverter
12/21/1994EP0630030A1 Tank-type arrester
12/20/1994US5375030 Surge protection device and system
12/20/1994US5374379 PTC composition and manufacturing method therefor
12/14/1994EP0629102A2 Exothermic device for different electric sources
12/14/1994EP0628974A2 Thick film resistor composition
12/14/1994CN2185466Y Surge absorption tube
12/14/1994CN1096395A Electrically insulating material to be used in composite insulators, a process for the production of composite insulators by using such an electricall
12/14/1994CN1026988C Coating composition and process for the production of coated metal article
12/13/1994US5373279 Arrester for gas insulated switchgear device
12/13/1994US5373242 Device for detecting and for indicating fault current through a lightning arrestor or an insulator
12/13/1994US5373129 Power circuit breaker and power resistor
12/08/1994WO1994027887A1 Self limiting microwave susceptor
12/08/1994DE4419236A1 Voltage control circuit and PTC element for motor vehicles
12/07/1994CN2184966Y Integrately casting resin insulation zinc oxide arrester
12/07/1994CN1026929C Voltage nonlinear resistor
11/1994
11/30/1994EP0626356A1 Ceramic composition, thermistor element, and process for producing a ceramic body
11/29/1994US5369390 Zinc oxide ceramics with bismuth oxide and glass, electrodes and flushing
11/29/1994US5369280 Semiconductor film bolometer thermal infrared detector
11/29/1994CA2031508C Ignition prevention of electronic element through use of thermocontractive insulating tube
11/24/1994WO1994027302A1 Metallic film resistor having fusing function and method for its manufacture
11/24/1994DE4316032A1 Resistance material and a resistor produced from it
11/22/1994US5367285 Metal oxy-nitride resistance films and methods of making the same
11/22/1994US5367284 Thin film resistor and method for manufacturing the same
11/22/1994US5367280 Thick film fuse and method for its manufacture
11/22/1994US5366813 Temperature coefficient of resistance controlling films
11/15/1994US5364705 Hybrid resistance cards and methods for manufacturing same
11/10/1994WO1994025966A1 Conductive polymers
11/10/1994WO1994025397A1 Elongate zinc oxide particles and a method for the production thereof
11/09/1994EP0623569A1 Ceramic composition thermistor element comprising same, and processes for producing same
11/09/1994EP0417204B1 Polymeric ptc composition and electrical device thereof
11/08/1994US5363266 Electrical surge arrester
11/08/1994US5361634 Heat-sensitive flow rate sensor
10/1994
10/27/1994WO1994024680A1 Positive characteristic thermistor
10/27/1994DE4318366A1 Gas-discharge overvoltage suppressor
10/26/1994CN1026368C Resistor device for blower motor
10/25/1994US5359316 Zinc oxide type arrester
10/25/1994US5358793 PTC device
10/25/1994US5358666 Ohmic electrode materials for semiconductor ceramics and semiconductor ceramics elements made thereof
10/20/1994DE4312195A1 Monolithic component with an electrically variable capacitance
10/19/1994EP0620567A1 A zinc oxide varistor, a method of preparing the same, and a crystallized glass composition for coating
10/19/1994EP0620566A1 A zinc oxide varistor, a method of preparing the same, and a crystallized glass composition for coating
10/19/1994CN2179999Y Micropower ultralinearity thermal resistor
10/19/1994CN1093825A Aluminium-nickel base contained conductor and making method thereof
10/13/1994WO1994022765A1 Doped zinc oxide powder, preparation thereof and ceramic produced therefrom
10/13/1994DE4339551C1 Resistor, constructed as a surface-mounted device, and method for its production, as well as a printed circuit board having such a resistor
10/13/1994CA2159222A1 Doped zinc oxide powder, preparation thereof and ceramic produced therefrom
10/11/1994US5354441 Coating composition and process for the production of coated metal article
10/11/1994CA1332280C Self-regulating heating element and a process for the production thereof
10/11/1994CA1332278C Metal oxide varistors, precursor powder, compositions and methods for preparing same
10/06/1994DE4410468A1 Thermistor component
10/05/1994EP0618594A1 Excess current protective component
10/05/1994EP0617843A1 Method of fabricating integrated infrared sensitive bolometers
10/04/1994US5351390 Manufacturing method for a PTC thermistor
09/1994
09/29/1994WO1994022150A1 Surge arrester
09/28/1994EP0617436A1 Resistance element with nonlinear voltage dependence and process for producing the same
09/28/1994EP0617435A2 Electrically insulating material for composite insulators, process for the production of composite insulators, and composite insulators
09/28/1994EP0616726A1 Layered superlattice material applications
09/28/1994EP0616723A1 Process for fabricating layered superlattice materials
09/27/1994US5351026 Thermistor as electronic part
09/27/1994CA2119836A1 Electrically insulating material to be used in composite insulators, a process for the production of composite insulators by using such an electrically insulating material for housings thereof, and composite insulators using such an electrically insulating material as housings thereof
09/27/1994CA2020788C Process for manufacturing a voltage non-linear resistor and a zinc oxide material to be used therefor
09/27/1994CA1332107C Varistor material and process for production therefor
09/22/1994DE4308986A1 Protective circuit breaker
09/20/1994US5349322 Resistors for thermal flowmeters
09/20/1994CA1332075C Lightning protection apparatus
09/07/1994EP0614198A2 Surge arrester