| 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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| 10/01/1991 | US5053249 Method for producing resistors |
| 09/24/1991 | US5051718 Vanadium containing titanium with another metal |
| 09/19/1991 | WO1991014304A1 Electrical protection apparatus |
| 09/18/1991 | EP0327535B1 Thin film platinum resistance thermometer with high temperature diffusion barrier |
| 09/17/1991 | US5050032 Sealed envelope based on a filamentary winding, and application to a composite lightning arrester |
| 09/17/1991 | US5049850 Electrically conductive device having improved properties under electrical stress |
| 09/17/1991 | US5048930 Switches of amorphous silicon |
| 09/10/1991 | US5047891 Surge arrester core |
| 09/10/1991 | US5046236 Method of fabricating ceramic electronic component of multilayered type |
| 09/04/1991 | EP0445054A1 Lightning arrestor device for the protection of electric lines |
| 09/04/1991 | EP0444877A2 Electrical resistor element |
| 09/03/1991 | US5045673 PTC devices and their composition |
| 09/03/1991 | US5045237 Refractory electrical device |
| 09/03/1991 | CA2037115A1 Lightning arrester for the protection of electric lines |
| 08/28/1991 | EP0443323A1 Lead-zinc-borosilicate glass and its use |
| 08/28/1991 | EP0443286A1 Lightening arrester for the protection of electrical lines |
| 08/28/1991 | EP0443178A2 Surge arrester with rigid insulating housing |
| 08/27/1991 | US5043838 Modular electrical assemblies with pressure relief |
| 08/24/1991 | WO1991013445A1 Copper alloy composition |
| 08/22/1991 | WO1991012643A1 Device for motor and short-circuit protection |
| 08/20/1991 | CA1287868C Electrical distribution apparatus having draw-out surge arrester |
| 08/15/1991 | WO1991012616A1 Connection device for resistive elements |
| 08/15/1991 | CA2076000A1 Connection device for resistive elements |
| 08/14/1991 | EP0441294A1 Resistance for hybrid circuits, in particular for high power |
| 08/14/1991 | EP0440858A1 Humidity sensor |
| 08/13/1991 | US5039971 Voltage non-linear type resistors |
| 08/13/1991 | US5039844 PTC devices and their preparation |
| 08/13/1991 | US5039452 Metal oxide varistors, precursor powder compositions and methods for preparing same |
| 08/07/1991 | EP0440501A2 Insulators |
| 08/07/1991 | CN1053706A Fabrication of humidity sensor made of oxide ceramic membrane |
| 08/06/1991 | US5037670 Method of manufacturing a low sheet resistance article |
| 08/06/1991 | US5037594 Method for making varistor discs with increased high temperature stability |
| 08/06/1991 | CA1287412C Reversible resistant device |
| 08/01/1991 | DE4000196A1 Varistor for HF high power applications - has hemispherical electrode with ceramic oxide layer |
| 07/31/1991 | EP0438839A1 Electrical conductors formed of sub-oxides of titanium |
| 07/31/1991 | EP0438593A1 Positive coefficient thin-film thermistor |
| 07/30/1991 | US5036420 Surge absorber |
| 07/30/1991 | US5036027 Niobium-lanthanum-boron composition, printed circuits |
| 07/24/1991 | CN1013334B High power electrothermal convertor and processing technique thereof |
| 07/23/1991 | US5034709 Composite electronic component |
| 07/17/1991 | EP0437239A2 Process for the production of molded article having positive temperature coefficient characteristics |
| 07/17/1991 | EP0436881A1 Surge voltage arrester |
| 07/11/1991 | DE4042237A1 Plug-in voltage overload conductor - is formed with varistor elements coupled together in housing |
| 07/10/1991 | EP0435999A1 Temperature sensor and process for producing the same. |
| 07/10/1991 | EP0435923A1 Conductive polymer composition |
| 07/09/1991 | US5030608 Process for the preparation of composite materials which contain small particles of metal or metal oxide in an oxide matrix and the composite materials prepared by the process |
| 07/09/1991 | US5030386 BaTiO3 ceramic temperature sensor with improved positive temperature coefficient of resistance |
| 07/03/1991 | EP0435574A2 PTC (positive temperature coefficient) compositions, preparation and use |
| 07/03/1991 | CN2080212U Lighting arrester of electric antenna |
| 06/27/1991 | WO1991008899A1 Bubble jet print head having improved multiplex actuation construction |
| 06/19/1991 | EP0432353A2 Resistor paste and its use |
| 06/18/1991 | US5025131 Method of heating diesel fuel utilizing conductive polymer heating elements |
| 06/12/1991 | EP0431625A2 Varistor of high capacity |
| 06/12/1991 | EP0431284A2 Process for the preparation of starting powders usable for the production of a varistor and starting powders obtained by this process |
| 06/11/1991 | US5023589 Gold diffusion thin film resistors and process |
| 06/11/1991 | US5023433 Electrical heating unit |
| 06/09/1991 | WO1991009407A1 Metal oxide varistors and method therefor |
| 06/09/1991 | CA2070825A1 Metal oxide varistors and method thereof |
| 06/08/1991 | CA2031606A1 High-capacitance varistor |
| 06/05/1991 | EP0430662A2 PSC motor start system |
| 06/05/1991 | EP0430123A1 High-tension switch with variators |
| 06/05/1991 | EP0429908A2 Voltage dependent resistor (varistor) for high-frequency/high-energy applications |
| 06/05/1991 | EP0429653A1 Laminated and grain boundary insulated type semiconductive ceramic capacitor and method of producing the same |
| 06/05/1991 | EP0429489A1 Assemblies of ptc circuit protection devices. |
| 06/05/1991 | CN1012754B Hot wire air flowmeter |
| 06/04/1991 | US5021194 Thick film resistor material and thermal head obtained therefrom |
| 05/30/1991 | WO1991007763A1 Zinc oxide varistor, manufacture thereof, and crystallized glass composition for coating |
| 05/29/1991 | EP0429296A2 Dielectric ultra-low resistivity heterofilm |
| 05/15/1991 | CN1051373A Coating composition and process for prodn. of coated metal article |
| 05/14/1991 | WO1991007762A1 Small dc motor |
| 05/14/1991 | US5016089 Substrate for hybrid IC, hybrid IC using the substrate and its applications |
| 05/14/1991 | US5015986 Organic positive temperature coefficient thermistor |
| 05/14/1991 | CA2045496A1 Small-sized direct-current motor |
| 05/08/1991 | EP0426328A2 Coating composition and process for the production of coated metal article |
| 05/08/1991 | EP0426327A2 Electrodeposition coating composition and method |
| 05/08/1991 | EP0417074A4 Electronic device fabrication by selective doping of a non-conductive polymer |
| 05/07/1991 | US5013894 Conductive polymeric article |
| 05/02/1991 | CA2028872A1 Base metal thick film resistor compositions with low sheet resistance and low temperature coefficient of resistance |
| 05/01/1991 | CA2028088A1 Coating composition and process for the production of coated metal article |
| 05/01/1991 | CA2028081A1 Electrodeposition coating composition and method |
| 04/30/1991 | US5012388 Electrode structure of a chip type electronic component |
| 04/30/1991 | US5012383 Zinc oxide |
| 04/24/1991 | EP0424254A1 Electrical resistor in the form of a surface mounting chip and process for making the same |
| 04/24/1991 | EP0423368A1 Electronic part with safe-guard function |
| 04/16/1991 | US5008646 Non-linear voltage-dependent resistor |
| 04/16/1991 | US5008584 Resistor is sintered mixture of glass particles, ceramic particles and carbon black |
| 04/16/1991 | US5008577 Assembled commutator with heat-resisting ring |
| 04/16/1991 | CA1283226C Voltage non-linear resistor and method of producing the same |
| 04/16/1991 | CA1283162C Surge protector for telecommunications systems |
| 04/12/1991 | CA2027288A1 Series gapped metal oxide surge arrester |
| 04/10/1991 | EP0421397A1 Diamond semiconductor device and method of manufacture |
| 04/10/1991 | CN1050639A Self temperature limiting electrical conducting composite |
| 04/09/1991 | US5006421 Metalization systems for heater/sensor elements |
| 04/09/1991 | CA1282828C Lightning arrester monitor |
| 04/03/1991 | WO1991005387A1 Surge protector for telecommunications equipment |
| 04/03/1991 | EP0420712A1 Zinc oxide based composition for varistors for low and medium voltage |
| 04/03/1991 | EP0419718A1 Infrared detective element |
| 04/03/1991 | EP0419664A1 Voltage nonlinear resistor and method of producing the same |
| 04/02/1991 | US5004893 Electrical |
| 04/02/1991 | US5004573 Sintering zinc oxide and additives |