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)
10/1992
10/07/1992EP0507517A2 Power circuit breaker and power resistor
10/07/1992EP0507465A2 A resistor capable of acting as a circuit breaker
10/06/1992US5153556 Temperature sensor
10/06/1992US5153554 Low voltage varistor array
10/06/1992US5152869 Process for obtaining passive thin-layer circuits with resistive lines having different layer resistances and passive circuit made by said process
09/1992
09/23/1992EP0504269A1 Metal oxide varistors and method therefor
09/15/1992US5148345 Prepackaged electrical transient surge protection
09/15/1992US5148143 Precision thick film elements
09/15/1992US5148005 Electrical apparatus
09/15/1992US5147580 Self temperature limiting electrical-conducting composite
09/15/1992US5147523 Thin film gas sensor
09/08/1992US5146536 High temperature electric air heater with tranversely mounted PTC resistors
09/08/1992US5146200 High-capacitance varistor
09/03/1992WO1992015101A1 High temperature sensor made of metal of the platinum group
09/03/1992DE4204582A1 Electric heating element with double-sided PTC thermistor - radiates heat from elastic plates pressed on to electrode films and hooked into holes through spacer
09/02/1992EP0501593A2 Film-type resistor
09/02/1992EP0500955A1 Positive characteristic thermistor and manufacturing method therefor
09/01/1992US5144380 Diamond semiconductor device with a non-doped diamond thin film between a diamond active layer and a substrate
09/01/1992US5144279 Resistor element with thin porous metallic layer covered with glass coating
09/01/1992US5143711 Hydrotreatment
09/01/1992US5143651 Zinc oxide-based composition for low and medium voltage varistors
09/01/1992US5143649 PTC compositions containing low molecular weight polymer molecules for reduced annealing
08/1992
08/26/1992CN1063965A High tension circuit breaker having varistors
08/25/1992US5142266 Ntc temperature sensor and process for producing ntc temperature sensing elements
08/25/1992US5142265 Positive temperature coefficient thermistor device
08/25/1992US5142264 Pressing, sintering, annealing mixed oxides of barium, bismuth silicon, antimony and zinc yields electrical resistors
08/25/1992US5142263 Surface mount device with overvoltage protection feature
08/19/1992EP0499100A2 Manufacturing process of ready-made resistors
08/18/1992US5140491 TVSS apparatus with ARC-extinguishing
08/18/1992US5140299 Article comprising a high value resistor
08/18/1992US5140297 PTC conductive polymer compositions
08/18/1992US5140296 Voltage-dependent nonlinear resistor
08/18/1992US5139858 Cryogenic resistance thermometer comprising a granular nickel in silica film
08/18/1992CA1306525C Moisture and dew-detection sensor
08/18/1992CA1306519C Electric laminar resistor and method of making same
08/11/1992US5138517 Polymer housed electrical assemblies using modular construction
08/11/1992US5138298 Small amounts of boric oxide and aluminum oxide; varistors of high surge withstanding capability
08/05/1992EP0497566A2 Voltage non-linear resistor
07/1992
07/29/1992CN2111552U Domestic power supply lightning arrester
07/28/1992US5134540 Varistor or capacitor and method of making same
07/28/1992US5134248 Thin film flexible electrical connector
07/22/1992EP0494901A1 Surge protector for telecommunications equipment
07/22/1992CN2110908U Thermal resistor made of flexible conduction high molecular composite material
07/21/1992US5131941 High Temperature, Radiation
07/21/1992CA1305513C Lightning arrester and fabrication process thereof
07/15/1992EP0494507A1 High energy zinc oxide varistor
07/15/1992CN1062807A Resistor device for blower motor
07/08/1992EP0494128A1 Oxynitride based product for covering screened electrical resistors and for refractory application and method of making same
07/07/1992US5128824 Directionally vented underground distribution surge arrester
07/04/1992CA2058701A1 Lining product for shielded electrical resistance and mixed oxynitride-based refractory application and production process
07/03/1992CA2058647A1 Conductive corners for surge survival
07/01/1992EP0493134A1 Lightning arresting insulator
06/1992
06/24/1992EP0490989A1 Conductive polymer device
06/23/1992US5124872 High tension circuit breaker having varistors
06/23/1992US5124822 Varistor driven liquid crystal display
06/17/1992CN1062050A Resistor device for blower motor
06/16/1992US5122777 Applying organometallic compound and iridium and(or) ruthenium; combustion
06/16/1992US5122775 Connection device for resistive elements
06/16/1992US5122641 Self-regulating heating cable compositions therefor, and method
06/16/1992US5122302 Thick film NTC thermistor compositions
06/11/1992WO1992009993A1 Method for manufacturing thermistor of positive characteristic
06/10/1992EP0489529A1 Resistor device for blower motor
06/10/1992EP0489528A1 Resistor device for blower motor
06/09/1992CA1303247C Ptc thermistor device having radiation fins with adjustable temperature regulating guide plates
06/04/1992DE4139157A1 Ohmic electrode material for semiconductor ceramic - comprising aluminium@, silicon@ and glass frit
06/03/1992EP0488754A1 Diamond fluid flow sensor
06/03/1992EP0487920A1 PTC element
06/02/1992US5119218 Liquid crystal display device having varistor elements
06/02/1992US5119062 Monolithic type varistor
06/02/1992US5118747 Finely divided carbon and reactive metal, powdered inert material, dielectric binder; package coating to brown or sear food products
06/02/1992CA1302609C Conductive polymer composition
05/1992
05/27/1992CA2056136A1 Resistor device for blower motor
05/26/1992US5116542 Varistor material and method of producing same from zinc oxide and manganese oxide: controlled porosity and high non-linear coefficient
05/26/1992CA1301986C Polymer composition having positive temperature coefficient characteristics
05/20/1992EP0486418A2 Thin film resistor and method for producing same
05/19/1992US5115221 Varistor structures
05/19/1992US5115077 Condensation polymerization of a dihalogen benzonitrile and a 4,4*-biphenol and a benzophenone in the presence of an alkali metal catalyst
05/14/1992WO1992008073A1 Enclosing a substrate with a heat-recoverable article
05/14/1992WO1992003833A3 Thin-film resistance temperature device
05/12/1992US5113306 Non-fragmenting arrester with staged pressure relief mechanism
05/12/1992US5113058 PCT heater cable composition and method for making same
05/07/1992CA2094492A1 Enclosing a substrate with a heat-recoverable article
05/06/1992EP0484138A2 PTC composition
05/05/1992US5111179 Chip form of surface mounted electrical resistance and its manufacturing method
04/1992
04/30/1992DE4033707A1 Cermet thick-film resistor - has flush conductive track pressed together with resistive track(s) into ceramic green sheet over polished surface
04/29/1992CN1060743A Double blowout lightning arrester
04/28/1992US5109238 Thick film resistor material and thermal head obtained therefrom
04/21/1992US5107242 Voltage non-linear resistor for gapped lightning arrestors and method of producing the same
04/21/1992US5106540 Conductive polymer composition
04/21/1992US5106538 Conductive polymer composition
04/21/1992CA1299241C Braking resistor for a high voltage electrical network
04/15/1992CN1016295B Semiconductive ceramic composition
04/07/1992US5102470 Germanium-silicon alloy
04/02/1992DE4030479A1 Nonlinear voltage or temp.-dependent resistive component - has ceramic layers printed on insulating layers in contact with metallised edge coatings
04/02/1992DE4030383A1 Temp. related operating device - is sealed body contg. piston and thermally expanding e.g. wax and is bonded to outer conducting polymer to heat body and express piston
03/1992
03/31/1992US5101319 Pre-engineered electrode/dielectric composite film and related manufacturing process for multilayer ceramic chip capacitors
03/29/1992WO1992006477A1 Self-regulating ptc devices having shaped laminar conductive terminals
03/29/1992CA2092807A1 Self-regulating ptc devices having shaped laminar conductive terminals
03/25/1992EP0476657A1 Thermistor with negative temperature coefficient produced by multilayer technology
03/24/1992CA1297939C Surge arrestor stack with compression inducing members