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)
05/1987
05/27/1987EP0223404A1 Circuit protection device
05/27/1987EP0223303A1 N-conducting electrical ceramic element with contacting layers
05/27/1987DE3541440A1 Overvoltage protection cage for a housing lead-in of a high-voltage cable
05/26/1987US4668857 Temperature self-regulating resistive heating element
05/19/1987CA1222066A1 Nonlinear voltage dependent resistor and method for manufacturing thereof
05/19/1987CA1222032A1 Semi-conductive heating cable
05/06/1987EP0220926A2 Thin film chromium-silicon-carbon resistor and method of manufacture thereof
05/06/1987EP0220891A2 Improved heat-exchanger
04/1987
04/29/1987EP0220003A2 Devices comprising PTC conductive polymers
04/29/1987EP0219678A1 Method for controlling steady state exothermic temperature in the use of heat sensitive-electrically resistant composites
04/29/1987CN86107072A Hot wire air flow meter
04/28/1987US4661827 Nickel alloy with molybdenum or tungstein; heat resistance, durability
04/22/1987CN86204476U Radiator-type high-duty resistor
04/21/1987US4660017 Chip-type varistor
04/21/1987CA1220807A1 Heating element
04/15/1987EP0218357A2 Electrochemical element and process of manufacturing the same
04/15/1987EP0218232A1 Hot wire air flow meter
04/14/1987US4658324 Surge absorbing device
04/14/1987US4658121 Crosslinked electroconductive polymer
04/14/1987US4657699 Thick films of semiconductive materials and glass in an organic medium
04/08/1987EP0217705A1 Resistor for testing materials
04/08/1987EP0217021A1 Overvoltage diverter and method of manufacturing it
04/07/1987US4656555 Filament wrapped electrical assemblies and method of making same
04/07/1987US4655965 Controlled temperature coefficient of resistance
03/1987
03/31/1987US4654511 Layered self-regulating heating article
03/31/1987US4654166 Resistor compositions
03/25/1987EP0215667A2 Vent hole assembly
03/24/1987US4652727 Ceramic heater and a process for producing the same
03/24/1987US4652397 Resistor compositions
03/18/1987CN86106269A Apparatus and method for providing improved resistive ratio stability of a resistive divider network
03/18/1987CN85106536A Method for forming a platinum resistance thermometer
03/17/1987US4651126 Electrical resistor material, resistor made therefrom and method of making the same
03/10/1987US4649365 Platinum resistor for the measurement of temperatures
03/04/1987EP0212266A2 Selective titanium silicide formation
03/03/1987US4647906 Low cost digital-to-analog converter with high precision feedback resistor and output amplifier
03/03/1987US4647900 High power thick film resistor
03/03/1987US4647896 Conductive polymer, carbon black filler, enclosures, thermoset polymer, decomposition, fillers
03/03/1987US4647895 Ceramic temperature sensor
03/03/1987US4647894 Novel designs for packaging circuit protection devices
03/03/1987US4647815 Resistors for use in cathode ray tubes
02/1987
02/25/1987EP0211331A2 Heat-sensitive recording head and method of manufacturing same
02/25/1987CN85107480A Ceramic moisture sensor
02/24/1987US4646057 Method of making chip resistors and in the chip resistors resulting from the method
02/24/1987US4646037 Filter contact and its use in electric connectors
02/24/1987US4645621 Thick film for firing in low oxygen nitrides, oxynitrides, nonreducing glass blends
02/17/1987US4644316 Positive temperature coefficient thermistor device
02/17/1987US4644141 Infrared radiator
02/17/1987US4644133 Ceramic heater
02/17/1987CA1218125A1 Electrical film resistor
02/10/1987US4642136 Positive temperature coefficient
02/03/1987US4640629 Thermistor-bolometer and method for the manufacture thereof
01/1987
01/28/1987CN85105454A Composites with low ohmic value
01/27/1987US4639818 Vent hole assembly
01/27/1987US4639640 Resistors for use in cathode ray tubes
01/27/1987US4639391 Thick film resistive paint and resistors made therefrom
01/21/1987EP0208808A1 Printed resistor, method for making same and application thereof
01/21/1987CN85105495A Oxidate electric resistance
01/20/1987US4638285 Surge suppressing resistor for a disconnect switch
01/20/1987US4638284 Tubular varistor arrangement
01/17/1987CN85102991A High temp. thermistor with high reproducibility
01/17/1987CN85101180A Thick film circuit formulation
01/14/1987EP0207994A1 Oxide semiconductor for thermistor and a method of producing the same
01/13/1987US4636331 Vinyl halide polymer, electroconductive carbon
01/07/1987CN85105318A Printed resister, its fabrication and use
01/06/1987US4635026 PTC resistor device
01/06/1987US4634756 Electrical resistor
12/1986
12/30/1986US4633069 Heat-exchanger
12/30/1986US4632879 Moisture sensor
12/30/1986EP0206282A2 Hexaboride resistor composition
12/16/1986US4629869 Variation of electrical resistance with temperature
12/16/1986US4629584 Composition of heat-sensitive electrosensitive substances and a panel heater made therefrom
12/10/1986EP0026235B1 Process for molding an acetylene high polymer and process for fabrication thereof
12/09/1986US4628187 Positive temperature coefficient characteristics
12/09/1986US4627902 Magnetron sputtering platinum metal onto substrate
12/04/1986WO1986007100A1 Circuit board material and process of making
11/1986
11/26/1986EP0191052A4 Platinum Resistance Thermometer and Method for Forming a Platinum Resistance Thermometer.
11/25/1986US4624990 Radiation, crystal structure, blends
11/20/1986EP0201993A2 Packaging for PTC-based circuit protection devices
11/18/1986US4623767 Disconnect switch for metal-clad, pressurized gas-insulated high-voltage switchgear with damping resistors
11/18/1986US4623559 Ultraviolet
11/18/1986CA1214230A1 High resistance film resistor and method of making the same
11/12/1986EP0201362A2 Base metal resistive paints
11/12/1986EP0201172A2 Materials for packaging PTC-based circuit protection devices
11/12/1986EP0201171A2 Conductive polymer-based PTC devices
11/12/1986CA1213937A Secondary arrester for compact polyphase protection
11/05/1986EP0200126A1 Method of manufacturing a ceramic ZnO-based voltage-dependent resistor
11/05/1986CN85103884A Nanlinear resistance and its manufactrue
11/05/1986CN85103871A High molecular temperature sensitive elements
11/04/1986US4620961 Aluminum alloy having a high electrical resistance and an excellent formability
11/04/1986CA1213640A1 Lightning arrester insulator
10/1986
10/29/1986CN86102994A Process for manufacturing voltage-sensitive ceramic resistors on the basis of zno and manufactured resistors according to the process
10/29/1986CN85102973A Electric current and voltage conversion amplifier and especially preliminary amplifier of light-receiving device
10/28/1986US4619038 Selective titanium silicide formation
10/22/1986EP0198598A2 Process for the preparation of a PTC element by cross-linking conductive polymer compositions, and electrical devices using the product therefrom
10/22/1986CN85103255A Flexible thermosensitive wire
10/15/1986EP0197781A2 Melt-shapeable fluoropolymer compositions
10/15/1986EP0197759A1 Conductive polymer compositions
10/15/1986EP0197745A1 Conductive materials
10/14/1986US4617454 Carboxylated acrylonitrile-butadiene mixed with pvc fillers; sulfur-free moisture and crack resistance; electric blankets
10/14/1986US4617356 Temperature sensitive polymer compositions