| 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) |
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| 08/16/1988 | US4764664 Automatic strip heater; melt-extruded thermoplastic resin covers electrodes |
| 08/16/1988 | US4764416 Electric element circuit using oxidation-reduction substances |
| 08/16/1988 | CA1240710A1 Refractory composition and products resulting therefrom |
| 08/10/1988 | CN87103486B Glod platinam containing single crystal silicon interchangeable termistor and its producing method |
| 08/09/1988 | US4763099 Temperature sensitive device |
| 08/09/1988 | CA1240408A1 Designs for packaging circuit protection devices |
| 08/09/1988 | CA1240407A1 Electrical devices comprising cross-linked conductive polymers |
| 08/02/1988 | US4761707 Lightning-conducting insulators |
| 08/02/1988 | US4761541 Devices comprising conductive polymer compositions |
| 07/27/1988 | EP0275772A1 Housing for an electric device, particularly for a surge arrester, comprising an insulating moulded envelope |
| 07/26/1988 | US4760485 Zine oxide surge arresters |
| 07/26/1988 | US4760370 Resistor and an electron tube incorporating the same |
| 07/26/1988 | US4760369 Thin film resistor and method |
| 07/26/1988 | US4760368 Moisture sensor |
| 07/26/1988 | CA1239670A1 Resistors for use in cathode ray tubes |
| 07/20/1988 | EP0274674A1 Process for manufacturing a lightning arrester, and lightning arrester obtained by this process |
| 07/19/1988 | US4758816 Electrical resistor |
| 07/19/1988 | US4758815 Tap element and methods, for heating, pressure measurement and circuit fabrication |
| 07/19/1988 | US4758321 Method of sputtered depositing chromium-silicon-nitrogen resistor |
| 06/30/1988 | DE3643622A1 Protection device on varistors |
| 06/29/1988 | EP0272964A1 Manufacturing process of zinc oxide-doped powders by coprecipitation |
| 06/28/1988 | US4754363 Metal-encapsulated gas-insulated high-voltage installation with an overvoltage arrester |
| 06/28/1988 | US4754254 Temperature detector |
| 06/22/1988 | EP0271993A2 Surge protection for telecommunications terminals |
| 06/22/1988 | CN85105454B Composites with low ohmic value |
| 06/21/1988 | US4752762 Electrodes, shields |
| 06/14/1988 | US4751518 Heating resistor as a thermal head resistive element |
| 06/14/1988 | US4751492 Variable resistor |
| 06/08/1988 | EP0270370A2 Electrical heaters |
| 06/08/1988 | EP0270119A2 Semiconductor ceramic of grain boundary insulation type |
| 06/08/1988 | EP0270098A2 Process for manufacturing ceramics for use in electronic components |
| 06/07/1988 | US4749981 Thermoplastic polar and nonpolar resins mixed with graphite and carbon black |
| 06/07/1988 | CA1237760A1 Planar resistance heating element |
| 06/01/1988 | EP0269195A1 Lightning arrestor insulator |
| 06/01/1988 | EP0269192A2 Manufacture of a voltage non-linear resistor |
| 06/01/1988 | EP0149681B1 Oxide semiconductor for thermistor |
| 06/01/1988 | CN87101848A Thermosensitive material with linear negative temp. coefficient |
| 05/24/1988 | US4746896 Layered film resistor with high resistance and high stability |
| 05/19/1988 | DE3638497A1 Thin-film circuit and a method for its production |
| 05/18/1988 | EP0267424A2 Electrically conductive and resistive paste |
| 05/18/1988 | CN85101180B Thick film circuit formulation |
| 05/10/1988 | US4743881 Lanthanum, chromium, tin, silicon oxide |
| 05/10/1988 | US4743321 Uncrosslinked layer sandwiched between two crosslinked layers |
| 05/05/1988 | WO1988003319A1 Electric resistor equipped with thin film conductor and power detector |
| 05/05/1988 | WO1988002921A3 Metal oxide varistors, precursor powder compositions and methods for preparing same |
| 05/05/1988 | DE3636373A1 Connecting clip, method of producing a connecting clip and use of two connecting clips as connecting lugs for a varistor |
| 05/04/1988 | CN85104023A Polymeric thermo-detective material |
| 05/03/1988 | US4742361 Thermal print head |
| 05/03/1988 | US4742325 Thin-film circuit and method of making the same |
| 05/03/1988 | CA1236246A1 Electrically conductive polyvinylidene fluoride compositions |
| 04/21/1988 | WO1988002921A2 Metal oxide varistors, precursor powder compositions and methods for preparing same |
| 04/20/1988 | EP0264315A1 Wave propagation structures for the suppression of over-voltages and the absorption of transitory waves |
| 04/19/1988 | US4738871 Electrodes bridged with heating resistor; controlling resistance by boring holes in said resistor |
| 04/12/1988 | US4737799 Thermal head |
| 04/12/1988 | US4737757 Thin-film resistor |
| 04/07/1988 | WO1988002309A1 Improved cermet resistive element for variable resistor |
| 04/07/1988 | DE3731966A1 Surface-mounted varistor |
| 04/06/1988 | EP0262601A2 Thermistor and method for producing the same |
| 04/06/1988 | CN85102991B High temp. thermistor with high reproducibility |
| 04/05/1988 | US4736183 Switch surge absorption |
| 04/05/1988 | US4735852 Electroconductive thin film |
| 03/31/1988 | DE3707494A1 PTC component |
| 03/30/1988 | EP0262056A1 Indicator for signalizing a short circuit in a lightning arrester |
| 03/30/1988 | EP0261939A2 Circuit protection device |
| 03/30/1988 | EP0261938A2 Circuit protection device |
| 03/30/1988 | EP0261937A2 Circuit protection device |
| 03/30/1988 | CN85103871B High molecular temp. sensitive elements |
| 03/29/1988 | US4734823 Fault current interrupter and explosive disconnector for surge arrester |
| 03/29/1988 | US4734709 Thermal head and method for fabricating |
| 03/24/1988 | DE3631177A1 Device for protection against overvoltages in electrical equipment |
| 03/22/1988 | US4733056 Heater backed with a ceramic substrate |
| 03/22/1988 | US4732802 Cermet resistive element for variable resistor |
| 03/22/1988 | US4732701 Semiconductors, electroconductors |
| 03/16/1988 | EP0259731A2 Lightning arrester |
| 03/16/1988 | CN85102973B Electric current and voltage conversion amplifier and especially preliminary amplifier of light-receiving device |
| 03/08/1988 | US4730179 Zinc oxide as main ingredient, arrestors for high voltage power systems |
| 03/08/1988 | US4729852 Oxide semiconductor for thermistor |
| 03/08/1988 | CA1233911A1 Laminar conductive polymer devices |
| 03/08/1988 | CA1233838A1 Borosilicate glass compositions |
| 03/02/1988 | EP0258139A1 Self-regulating heating element and manufacturing process |
| 03/01/1988 | US4729058 Self-limiting capacitor formed using a plurality of thin film semiconductor ceramic layers |
| 03/01/1988 | US4729053 Process for the production of a lightning arrester and products produced thereby |
| 02/24/1988 | EP0256568A2 Process for obtaining thin-film circuits and passive circuit made by said process |
| 02/23/1988 | US4726991 Conductive and semiconductive particles separately coated with inorganic dielectrics |
| 02/17/1988 | CN86103237B High polymer temp. sensitivity material |
| 02/16/1988 | US4725925 Circuit board |
| 02/16/1988 | US4725807 Nonlinear voltage resistor |
| 02/09/1988 | US4724417 Electrical devices comprising cross-linked conductive polymers |
| 02/09/1988 | US4724416 Voltage non-linear resistor and its manufacture |
| 02/09/1988 | CA1232618A1 Borosilicate glass compositions |
| 01/28/1988 | WO1988000526A1 Electrical overstress protection material and process |
| 01/28/1988 | WO1988000525A1 Electrical overstress protection material and process |
| 01/27/1988 | EP0254070A2 Electrical device |
| 01/26/1988 | CA1232042A1 Resistors for use in cathode ray tubes |
| 01/20/1988 | EP0253304A2 Resistive tape element, processes for its preparation and its uses |
| 01/19/1988 | US4720760 Electrical surge protection |
| 01/19/1988 | US4720418 Pre-reacted resistor paint, and resistors made therefrom |
| 01/13/1988 | CN87103486A Gold platinum containing single crystal silicon interchangeable termistor and its producing method |
| 01/12/1988 | US4719443 Low capacitance power resistor using beryllia dielectric heat sink layer and low toxicity method for its manufacture |
| 01/12/1988 | US4719442 Platinum resistance thermometer |