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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10/06/1981 | US4293452 Crown ether complex of tetracyanoquinodimethan |
10/06/1981 | CA1110366A1 Fast response temperature sensor |
10/06/1981 | CA1110325A1 Voltage limiting composition and method of fabricating the same |
10/01/1981 | WO1981002812A1 Screened overvoltage shunting device |
09/29/1981 | US4292619 Glass particles bonded to a metal oxide; resistors |
09/23/1981 | EP0036247A2 A thin film resistance thermometer element and its method of manufacture |
09/23/1981 | EP0036046A1 Encapsulated overvoltage arrester |
09/22/1981 | CA1109517A1 Enclosed lighting arrester |
09/22/1981 | CA1109246A1 Resistor compositions |
09/15/1981 | US4290041 Voltage dependent nonlinear resistor |
09/15/1981 | CA1109121A1 Surge arrester |
09/15/1981 | CA1108841A1 Filled polymer electrical insulator |
09/08/1981 | US4288776 Passivated thin-film hybrid circuits |
08/26/1981 | EP0034511A2 Non linear ceramic resistor having a low threshold voltage, and process for its production |
08/25/1981 | US4286251 Vitreous enamel resistor and method of making the same |
08/25/1981 | US4286250 Laser formed resistor elements |
08/25/1981 | US4286249 Attachment of leads to precision resistors |
08/25/1981 | US4285839 Varistors with upturn at high current level |
08/20/1981 | WO1981002369A1 Lampholder |
08/19/1981 | EP0033804A1 Movable connector for high voltage arrester |
08/18/1981 | US4284970 Fabrication of film resistor circuits |
08/18/1981 | CA1107059A1 Electrically conductive rubber |
08/12/1981 | EP0033420A1 An arrester block assembly and a gapless arrester including same |
08/11/1981 | CA1206507B Electrical devices comprising conductive polymer compositions |
08/11/1981 | CA1106912A1 Lightning arrester device for power transmission line |
08/11/1981 | CA1106890A1 Electrical devices comprising conductive polymer compositions |
08/04/1981 | US4282557 Surge voltage arrester housing having a fragible section |
08/04/1981 | US4282537 Silicon MOS inductor |
08/04/1981 | US4282507 Glass protective coating |
07/21/1981 | CA1105550A1 Protective device |
07/15/1981 | EP0032087A2 Plate with a row of resistors with very small spacing |
07/14/1981 | US4278961 Insulating coating for surge arrester valve element |
07/14/1981 | US4278725 Cermet resistor and method of making same |
07/14/1981 | CA1104808A1 Conductive polymer compositions |
07/14/1981 | CA1104807A1 Ptc compositions and devices comprising them |
07/09/1981 | WO1981001880A1 Atmosphere sensing element |
07/07/1981 | US4277673 Electrically conductive self-regulating article |
07/07/1981 | US4277542 Mixture of barium rhodate and other metal oxides in a binder |
06/30/1981 | US4276578 Arrester with graded capacitance varistors |
06/30/1981 | US4276535 Thermistor |
06/09/1981 | US4272754 Thin film varistor |
06/09/1981 | US4272471 Method for forming laminates comprising an electrode and a conductive polymer layer |
06/09/1981 | US4272411 Zinc oxide with impurities of bismuth, manganese, cobalt, nickel, antimony oxides and silicon carbide |
06/03/1981 | EP0029749A1 Voltage dependent resistor and method of making same |
06/02/1981 | CA1102103A1 Fuel ignitor comprising a novel silicon carbide composition and process for preparing the composition |
05/26/1981 | US4270160 Lightning resistive device in aerial power transmission system |
05/26/1981 | US4270085 Humidity detecting apparatus |
05/26/1981 | US4269898 Comprising at least one metal oxide, thallium rhodate, a low-melting glass or synthetic resin binder, and a temporary organic binder; resistors |
05/26/1981 | US4268954 Method of making non-inductive cylindrical thin film resistor |
05/19/1981 | US4267635 Method of making a solid state electrical switch |
05/19/1981 | CA1101563A1 Voltage responsive switch |
05/13/1981 | EP0028510A1 Oxide thermistor compositions and thermistors containing them |
05/13/1981 | EP0028423A1 Composite thermistor component and applications |
05/13/1981 | EP0028387A1 Temperature sensor |
05/12/1981 | CA1101128A1 Method of adjusting resistance of a thermistor |
05/12/1981 | CA1101068A1 Absolute humidity sensors and methods of manufacturing humidity sensors |
05/12/1981 | CA1101052A1 Arcing stacked plate nonlinear resistor for voltage limiter applications such as series capacitor protection |
05/12/1981 | CA1100749A1 Pre-glassing method of producing homogeneous sintered zno non-linear resistors |
05/05/1981 | US4265844 Method of manufacturing a voltage-nonlinear resistor |
04/28/1981 | US4264888 Multipassage resistor and method of making |
04/28/1981 | CA1100235A1 Air temperature sensor connection assembly |
04/15/1981 | EP0026933A2 RC network |
04/14/1981 | US4262318 Zinc-oxide surge arrester |
04/14/1981 | US4262317 Line protector for a communications circuit |
04/08/1981 | EP0026235A1 Process for molding an acetylene high polymer and process for fabrication thereof |
04/07/1981 | US4260872 (doped)lanthanum chromite |
03/31/1981 | US4259704 Protective circuit for zinc oxide varistors |
03/31/1981 | US4259666 Apparatus for detecting degradation of characteristics of arresters |
03/31/1981 | US4259657 Self heat generation type positive characteristic thermistor and manufacturing method thereof |
03/31/1981 | US4258569 Self-regulated device for temperature stabilization of at least one connection point, and temperature-controlled plug-in connector for the use of said device |
03/24/1981 | US4258407 Lightning arrester device for power transmission line |
03/24/1981 | US4258080 Method of lowering resistivity of metal oxide semiconductor powder |
03/03/1981 | US4254070 Process for producing sintered body of ceramic composition for voltage non-linear resistor |
03/03/1981 | CA1096605A1 Resistor composition for spark plug having a resistor enclosed therein |
02/24/1981 | US4252692 Materials having non-linear electrical resistance characteristics |
02/19/1981 | WO1981000484A1 Fabrication of film resistor circuits |
02/17/1981 | US4251794 Flexible linear thermal array |
02/17/1981 | US4251793 PTC Resistor |
02/17/1981 | US4251792 Thermistor bonded to thermally conductive plate |
02/17/1981 | US4251397 Vehicle for thick film resistors fireable in nonoxidizing atmosphere |
02/17/1981 | US4251225 Using a stannic oxide, antimony trioxide, and platinum oxide compound |
02/17/1981 | CA1096051A1 Reconstituted metal oxide varistor |
02/17/1981 | CA1095962A1 Self heating article with fabric electrodes |
02/03/1981 | US4249224 Surge voltage arrester with fail-safe feature |
02/03/1981 | CA1095181A1 Thick film varistor |
02/03/1981 | CA1094795A1 Conductor compositions comprising aluminum, silicon and glass |
01/21/1981 | EP0022611A1 Electrical devices comprising PTC conductive polymer elements |
01/20/1981 | US4246468 Electrical devices containing PTC elements |
01/13/1981 | US4245210 Thick film resistor element and method of fabricating |
01/13/1981 | US4245146 Heating element made of PTC ceramic material |
01/13/1981 | CA1093701A1 Voltage-dependent resistor and method of making the same |
01/13/1981 | CA1093295A1 Electrical heating element composition having improved electrical resistance |
01/06/1981 | US4243622 Method for manufacturing zinc oxide varistors having reduced voltage drift |
12/30/1980 | US4242660 Thick film resistors |
12/30/1980 | US4242659 Thin film resistance thermometer detector probe assembly |
12/30/1980 | US4242573 Water immersible heater |
12/30/1980 | US4241494 Method of assembling an electrical device |
12/30/1980 | CA1092725A1 Method of manufacturing a metal oxide varistor |
12/23/1980 | CA1092251A1 Ceramic electrical resistor with nonlinear voltage characteristic |
12/23/1980 | CA1091918A1 Electrical resistor material, resistor made therefrom and method of making the same |