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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05/14/1985 | US4517444 Thermal printhead |
05/14/1985 | US4517156 Sensing coil, palladium-silver |
05/14/1985 | CA1187207A1 Method of making temperature sensitive device and device made thereby |
05/09/1985 | WO1985002058A1 Divider of electrical signals |
05/07/1985 | US4516105 Reheating after sintering |
05/07/1985 | CA1186806A1 Metal oxide varistor with controllable breakdown voltage and capacitance |
05/07/1985 | CA1186760A1 Stable high voltage dc varistor |
04/30/1985 | US4514620 For self-regulating heaters for freeze protection |
04/24/1985 | EP0138424A2 Electrical devices comprising conductive polymers exhibiting ptc characteristics |
04/23/1985 | US4512917 Hexaboride resistor composition |
04/17/1985 | EP0137255A2 Portable steam iron |
04/17/1985 | EP0137044A1 Composition of porcelain for voltage-dependent, non-linear resistor |
04/16/1985 | CA1185667A1 Distributed constant resistances for high microwave dissipation loads |
04/09/1985 | US4510178 Annealing chromonium, silicon, and-or nitrogen on substrate |
04/09/1985 | US4510112 Doping with bismuth oxide, hot pressing and reducing the zinc oxide to zinc suboxide; ocidation |
04/03/1985 | EP0136094A2 Laser beam trimmed thick film resistor and method of trimming thick film resistor |
04/03/1985 | EP0135534A1 Thick film resistor circuits. |
04/02/1985 | US4509035 Metal oxide body impregnated with sulfur or phosphorus, and coppercompounds |
03/26/1985 | US4507701 Lighting arrester with leakage current detection |
03/26/1985 | CA1184642A1 Infrared radiation detector |
03/19/1985 | US4506285 Substrate made of varistor material having a plurality of electronic components mounted thereon |
03/19/1985 | CA1184319A1 Radiation cross-linking of ptc conductive polymers |
03/13/1985 | EP0134037A2 Hexaboride resistor composition |
03/12/1985 | US4504817 Demagnetizing circuit using a PTC thermistor device |
03/12/1985 | US4504411 Resistor composition for resistor-incorporated spark plugs |
03/12/1985 | CA1183965A1 Varistors with controllable voltage versus time response |
03/12/1985 | CA1183680A1 Method for manufacturing a semiconductor body having a positive temperature coefficient |
03/06/1985 | EP0133751A1 Protective layer for thermal heads and other conductive and heating devices |
03/05/1985 | US4503418 Thick film resistor |
03/05/1985 | US4503090 Thick film resistor circuits |
02/26/1985 | US4502089 Lightning arrester |
02/14/1985 | WO1985000690A1 Oxide semiconductor for thermistor |
02/13/1985 | EP0132810A1 Borosilicate glass composition |
02/12/1985 | US4499011 A mixture oxide of lead, rhodium and ruthenium and binders; stability |
02/05/1985 | US4498071 High resistance film resistor |
01/29/1985 | US4496931 Moisture permeable electrode in a moisture sensor |
01/22/1985 | US4495524 Part for a slide variable resistor |
01/22/1985 | US4495482 Controlled doping with lithium |
01/22/1985 | CA1181475A1 Fail safe surge arrester |
01/17/1985 | WO1985000246A1 Voltage-dependent, non-linear resistor porcelain composition |
01/16/1985 | EP0131165A1 Thermistors; and a method of their fabrication |
01/08/1985 | US4492947 Resistor having a positive temperature coefficient |
01/08/1985 | CA1180761A1 Humidity sensor |
01/02/1985 | EP0129997A1 Process for the production of PTC thermistors |
12/27/1984 | EP0129077A1 Lightning arrester |
12/25/1984 | US4490318 Semiconductive ceramic materials with a voltage-dependent nonlinear resistance, and process for preparation |
12/25/1984 | US4489487 Electronic component and adhesive strip combination, and method of attachment of component to a substrate |
12/18/1984 | US4489291 Circuit breaker provided with parallel resistor |
12/04/1984 | US4486737 Electric resistor which has low resistance and serves particularly for protecting an electric consumer against electric overload, and method for the manufacture thereof |
11/27/1984 | US4485370 Thin film bar resistor |
11/20/1984 | US4484251 Current restriction element responsive to applied voltage |
11/20/1984 | US4484247 Nonfragmenting station arrester |
11/20/1984 | US4484172 Humidity sensor, comprised of compound metal oxides with perovskite structure |
11/20/1984 | US4483933 Semiconductor ceramic composition |
11/14/1984 | EP0124948A1 Resistor paste for an electrical resistance |
11/13/1984 | US4482882 Moisture sensor with valve metal composition electrodes |
11/13/1984 | US4482475 Resistor composition for resistor-incorporated spark plugs |
11/13/1984 | US4481813 Dew sensor |
11/13/1984 | CA1177739A1 Devices comprising conductive polymers |
11/06/1984 | US4481498 PTC Circuit protection device |
11/06/1984 | US4480376 Thermistors, their method of production |
11/06/1984 | CA1177528A1 Circuit protection devices |
11/06/1984 | CA1177527A1 Circuit protection devices comprising ptc element |
10/31/1984 | EP0123540A2 Conductive polymers and devices containing them |
10/31/1984 | EP0123385A1 Humidity-sensitive resistive element |
10/31/1984 | EP0123127A1 Flexible heating element in strip form, composed of electrical conductor granules, made of a PCT material, bonded together with an insulating organic plastic, and method of making the same |
10/30/1984 | US4479890 Thick film resistor inks |
10/23/1984 | US4479026 Measuring resistor for a noise thermometer |
10/23/1984 | CA1176453A1 Conductive polymer compositions having improved properties under electrical stress |
10/16/1984 | US4477793 Zinc oxide non-linear resistor |
10/10/1984 | EP0121289A1 NTC electrical device |
10/09/1984 | US4476513 Surge arrester |
10/09/1984 | US4476039 Stain-resistant ruthenium oxide-based resistors |
10/09/1984 | CA1175954A1 Glass coated disk thermistor |
10/09/1984 | CA1175889A1 Grading means for high voltage metal enclosed gas insulated surge arresters |
10/02/1984 | US4475138 Circuit protection devices comprising PTC element |
10/02/1984 | US4475091 Capacitors, varistors |
10/02/1984 | US4474718 Method of fabricating non-linear voltage limiting device |
10/02/1984 | CA1175511A1 Resistor device with stacked annular resistance elements |
09/26/1984 | EP0119863A1 Process for the preparation of voltage non-linearity type resistors |
09/25/1984 | US4473812 Voltage-dependent nonlinear resistor |
09/25/1984 | CA1175098A1 Circuit protection devices |
09/19/1984 | EP0119066A2 Thermal head |
09/11/1984 | US4470898 Polymer compositions for electrical use |
09/04/1984 | US4469717 Platinum on dielectric |
09/04/1984 | CA1173893A1 Surge suppressor construction |
09/04/1984 | CA1173645A1 Low value resistor inks |
09/04/1984 | CA1173644A1 Air-fireable thick film inks |
08/30/1984 | WO1984003389A1 Thick film resistor circuits |
08/28/1984 | US4468370 Palladium and silver |
08/21/1984 | US4467387 Combination strut insulator and lightning arrester |
08/21/1984 | US4467310 Telephone subscriber line battery feed resistor arrangements |
08/21/1984 | US4467309 High temperature thermistor |
08/21/1984 | US4467009 Printed circuits, glass frits |
08/21/1984 | US4466850 Method for fabricating a one-time electrically activated switch |
08/21/1984 | CA1172844A1 Thick film resistor compositions |
08/16/1984 | WO1984003171A1 Composition of porcelain for voltage-dependent, non-linear resistor |
08/15/1984 | EP0115798A1 Stain-resistant ruthenium oxide-based resistors |
08/14/1984 | US4465577 Method and device relating to thin-film cermets |
08/08/1984 | EP0115149A1 Varistor and method for manufacturing the same |