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) |
---|
02/20/1980 | EP0008235A2 Semi-conductive polymeric compositions suitable for use in electrical heating devices; flexible heating cables made by using said compositions and method for making the like cables |
02/20/1980 | EP0008181A1 An arrester for underground systems |
02/20/1980 | EP0008133A2 A thick film resistor composition comprising a temperature coefficient of resistance modifier |
02/20/1980 | EP0008132A1 Resistor and/or conductor composition including an organic vehicle |
02/19/1980 | US4189700 Resistor device |
02/12/1980 | US4188564 Cathode ray tube having low resistance contact area beneath high voltage contact spring |
02/12/1980 | US4188276 Vinyl fluoropolymers and carbon black |
02/12/1980 | CA1071677A1 Self-regulating positive temperature coefficient electrical heating element |
02/06/1980 | EP0007598A1 Method for the manufacture of an electrical film circuit on plastics foil |
02/05/1980 | CA1071281A1 Heat-recoverable laminated heater with ptc layer operating above switching temperature |
01/29/1980 | US4186368 Wide range, quick response temperature probe sensor |
01/29/1980 | US4186367 Thick film varistor and method of producing same |
01/29/1980 | CA1070790A1 Film-type resistor with a metal film consisting of aluminium |
01/24/1980 | WO1980000114A1 Voltage non-linear resistive ceramics |
01/22/1980 | US4184984 High breakdown voltage varistor |
01/15/1980 | US4183136 Temperature sensing resistance device |
01/09/1980 | EP0006442A2 Adjustable thin-film resistor |
01/08/1980 | US4183006 Tetracyanoquinodimethan organic salts |
01/01/1980 | US4180901 Compact PTC resistor |
12/25/1979 | US4180483 Method for forming zinc oxide-containing ceramics by hot pressing and annealing |
12/25/1979 | US4179797 Method of making a resistor array |
12/18/1979 | US4179680 Temperature sensor |
12/04/1979 | US4177446 Heating elements comprising conductive polymers capable of dimensional change |
12/04/1979 | US4177376 Layered self-regulating heating article |
12/04/1979 | US4176445 Metal foil resistor |
11/28/1979 | EP0005481A1 Gas sensors and method for preparing them |
11/27/1979 | US4176336 Lacquer-encapsulated carbon film resistor |
11/20/1979 | US4175061 Method of manufacturing resistor paste |
11/20/1979 | US4175060 Composition and processing procedure for making thermistors |
11/20/1979 | US4174971 Silicon carbide body containing a molybdenum disilicide alloy |
11/20/1979 | CA1066537A1 Termination for electrical resistor and method of making same |
11/13/1979 | US4174530 Voltage surge arrester device |
11/13/1979 | US4174512 Fast response temperature sensor |
11/13/1979 | US4174303 Ceramic electrical material with high nonlinear resistance |
11/06/1979 | US4173731 Glass, inorganic filler, non-oxide compound, carbon |
10/30/1979 | US4172922 Conductive particles of zinc oxide and a metal dispersed in glass firt |
10/30/1979 | CA1065496A1 Voltage dependent resistor and the manufacturing process |
10/30/1979 | CA1065125A1 Resistive element having voltage non-linearity and method of making same |
10/23/1979 | US4172249 Resistive electrical components |
10/16/1979 | CA1064248A1 Silicon carbide resistance igniter |
10/09/1979 | CA1063796A1 Resistor material, resistor made therefrom and method of making the same |
10/03/1979 | EP0004351A1 Lightning arrester device |
10/03/1979 | EP0004350A1 Aerial power transmission system |
10/03/1979 | EP0004349A1 A process for manufacturing a surge arrester |
10/03/1979 | EP0004348A1 Lightning arrester device for power transmission line |
09/25/1979 | US4169071 Voltage-dependent resistor and method of making the same |
09/25/1979 | US4169032 Method of making a thin film thermal print head |
09/18/1979 | US4168514 Combination circuit breaker-lightning arrestor |
09/18/1979 | CA1062755A1 Layered self-regulating heating article |
09/11/1979 | US4167725 Dew-sensing hygroscopic element |
09/11/1979 | CA1062346A1 Electrical resistor with novel termination and method of making same |
08/28/1979 | CA1061472A1 Voltage-dependent resistor |
08/21/1979 | US4165351 Method of manufacturing a metal oxide varistor |
08/14/1979 | US4164607 Thin film resistor having a thin layer of resistive metal of a nickel, chromium, gold alloy |
08/14/1979 | CA1060544A1 Stoichiometric air/fuel ratio exhaust gas sensor |
08/07/1979 | US4164000 Relay-starter electrical device for a prime mover |
08/07/1979 | US4163963 Probe control |
07/31/1979 | US4162631 Rare earth or yttrium, transition metal oxide thermistors |
07/31/1979 | CA1059568A1 Colour television display tube |
07/24/1979 | US4162395 Heating unit for heating fluid |
07/24/1979 | CA1059208A1 Thin film thermal print head |
07/11/1979 | EP0002712A2 Metal glas film |
07/10/1979 | US4161012 High voltage protection apparatus |
07/10/1979 | US4160969 Transducer and method of making |
07/10/1979 | US4160897 Ceramic heating element with restivity adjusted to a certain value |
07/10/1979 | US4160748 Non-linear resistor |
07/10/1979 | CA1058327A1 Metal oxide varistor with improved electrical properties |
07/03/1979 | US4160227 Thermistor composition and thick film thermistor |
07/03/1979 | CA1057490A1 High resistance cermet film and method of making the same |
06/26/1979 | US4159461 Resistor network having horizontal geometry |
06/26/1979 | US4159459 Non-inductive cylindrical thin film resistor |
06/19/1979 | US4158610 Method and apparatus for determining and controlling amount of carbon deposited on a surface by a gas |
06/13/1979 | EP0002375A1 Oxygen sensor for use in engine fuel control systems |
06/05/1979 | US4157527 Polycrystalline varistors with reduced overshoot |
06/05/1979 | US4157332 Heat-sensitive thiazolium-7,7,8,8-tetracyanoquinodimethane semiconductive materials |
06/05/1979 | CA1056026A1 Resistor composition and method for its manufacture |
05/22/1979 | US4155262 Leakage current in prestressed sensor varies as a function of pressure |
05/08/1979 | US4153921 Cooling by vaporization and condensation of fluids |
05/08/1979 | US4153857 Television cathode ray tube having getter flash tolerant internal resistive element |
05/08/1979 | CA1053895A1 Polymer compositions for electrical use |
04/24/1979 | US4151503 Temperature compensated resistive exhaust gas sensor construction |
04/24/1979 | US4151401 PTC heating device having selectively variable temperature levels |
04/18/1979 | EP0001520A1 Flat high-precision electrical resistor having an adjustable ohmic value and method of adjusting this ohmic value |
04/18/1979 | EP0001512A1 Gas sensor |
04/18/1979 | EP0001511A1 Thermistor and method of fabrication |
04/18/1979 | EP0001510A1 Gas sensor |
04/18/1979 | EP0001509A1 Variably resistive gas sensor and method of fabrication |
04/18/1979 | EP0001508A1 Thermistor and method of fabricating |
04/10/1979 | US4148761 Useful in making display devices |
04/10/1979 | US4148135 Method of treating metal oxide varistors to reduce power loss |
04/10/1979 | CA1052090A1 Conductor compositions comprising nickel borides |
04/03/1979 | US4148005 Thermometric transducer device |
04/03/1979 | US4147927 Self-regulating heating element |
04/03/1979 | US4147670 Nonohmic ZnO ceramics including Bi2 O3, CoO, MnO, Sb2 O.sub.3 |
04/03/1979 | US4146957 Thick film resistance thermometer |
04/03/1979 | CA1052038A1 Acrylic resistive coating composition |
03/27/1979 | US4146902 Irreversible semiconductor switching element and semiconductor memory device utilizing the same |
03/27/1979 | US4146867 Adjustable resistors for hybrid circuits |
03/27/1979 | US4146677 Zinc oxide particles dispresed in glass frit |
03/20/1979 | US4145470 Film resistor having a reduced temperature coefficient of resistance |