| 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) |
|---|
| 04/02/1991 | US5003689 Method and apparatus for manufacturing a surge arrester |
| 03/27/1991 | EP0418810A1 Thermistor element and gas sensor using the same |
| 03/27/1991 | EP0418302A1 Thermistor intended primarily for temperature measurement and procedure for manufacture of a thermistor. |
| 03/27/1991 | EP0137044B1 Composition of porcelain for voltage-dependent, non-linear resistor |
| 03/26/1991 | US5003163 Conductive polymer laminate, expansion, current flow |
| 03/26/1991 | US5002912 Oxide sintered product |
| 03/26/1991 | US5002826 Heaters for use in microwave ovens |
| 03/21/1991 | WO1991003821A1 Gold diffusion thin film resistors and process |
| 03/20/1991 | EP0417749A2 Thick film resistor/integrated circuit substrate and method of manufacture |
| 03/20/1991 | EP0417074A1 Electronic device fabrication by selective doping of a non-conductive polymer |
| 03/19/1991 | US5001087 Insulating powder and compositions for resistant coating |
| 03/19/1991 | US5000876 Voltage non-linear type resistors |
| 03/19/1991 | US5000662 Flat resistance for blower control unit of automobile air conditioner |
| 03/19/1991 | CA2025495A1 Thermistor element and gas sensor using the same |
| 03/13/1991 | EP0416845A1 Self-temperature-limiting electrical conducting composite |
| 03/13/1991 | EP0416525A2 Thermistor composition |
| 03/13/1991 | EP0390807A4 Electrical device comprising conductive polymers |
| 03/12/1991 | US4999650 Bubble jet print head having improved multiplex actuation construction |
| 03/12/1991 | US4999602 Dielectric cylinder of ceramic and a resistive film |
| 03/09/1991 | WO1991003822A1 Conductive polymer device |
| 03/08/1991 | CA2024776A1 Self temperature limiting electrical-conducting composite |
| 03/06/1991 | EP0415571A2 Layered thick film resistors and method for producing same |
| 03/06/1991 | EP0415428A1 Powder composition for sintering into modified barium titanate semiconductive ceramic |
| 03/06/1991 | CA2024619A1 Thermistor composition |
| 02/28/1991 | DE3927547A1 Varistor switching=off circuit - causes solder point to melt when high current flows to cut=off varistor power supply |
| 02/27/1991 | CN1049570A Low resistance ceramic thermistor material, preparation technology and its application |
| 02/27/1991 | CN1011839B Production method of zinc oxide resistor chip |
| 02/26/1991 | US4996510 Slurry of metal oxide powder and water soluble metal oxide precursor, precipitation of metals in oxide form; drying, sintering |
| 02/20/1991 | EP0413618A2 Surge arrester with movable supports to maintain its varistors |
| 02/20/1991 | EP0207994B1 Oxide semiconductor for thermistor and a method of producing the same |
| 02/19/1991 | US4993142 Method of making a thermistor |
| 02/12/1991 | US4992906 Electric power distribution riser pole system |
| 02/12/1991 | US4992772 Electrical resistance, heat resistance |
| 02/12/1991 | US4992771 Chip resistor and method of manufacturing a chip resistor |
| 02/12/1991 | US4992333 Electroconductive, semiconductive particles |
| 02/08/1991 | WO1991002365A1 Thin-film thermistor having positive characteristics |
| 02/08/1991 | CA2037912A1 Positive coefficient thin-film thermistor |
| 02/07/1991 | WO1991001561A1 Temperature sensor and process for producing the same |
| 02/07/1991 | CA2018113A1 Layered thick film resistors and method of producing the same |
| 02/05/1991 | US4991053 Surge arrester with draining insulative bracket |
| 02/05/1991 | US4990380 Heat recoverable article |
| 02/05/1991 | CA1279887C Tape element and methods, for heating, pressure measurement and circuit fabrication |
| 01/30/1991 | EP0410644A2 Surge arrester with improved weatherseal |
| 01/30/1991 | EP0410642A2 Surge arrester with draining insulative bracket |
| 01/30/1991 | CN1011456B Apparatus and method for providing improved resistive ratio stability of a resistive divider network |
| 01/29/1991 | US4989115 Surge arrester |
| 01/23/1991 | EP0409501A1 Varistor material and method of producing same |
| 01/23/1991 | EP0409380A2 Packaged semiconductor surge protection device and electronic system comprising such a device |
| 01/22/1991 | US4986933 Thick films superior in reproducibility of resistivity |
| 01/21/1991 | CA2021188A1 Varistor material and method of producing same |
| 01/17/1991 | DE4021997A1 High temp. thermistor - made of chromium, titanium, manganese and silicon oxide(s) |
| 01/17/1991 | DE3922499A1 Mixts. of polyarylene sulphide and conductive zinc oxide - useful as moulding materials for prodn. of light-coloured, electrically conducting mouldings, film and fibre |
| 01/16/1991 | EP0408308A2 Process for manufacturing a voltage non-linear resistor and a zinc oxide material to be used therefor |
| 01/16/1991 | EP0407893A2 Resistor film and method for forming the same |
| 01/15/1991 | US4985377 Thick film, base metal conductor |
| 01/15/1991 | CA1279113C Voltage non-linear resistor and its manufacture |
| 01/08/1991 | US4983944 Organic positive temperature coefficient thermistor |
| 01/02/1991 | EP0405304A2 Thin film resistors whose surface resistance values are comprised between 1M-ohms and several G-ohms and process of making it |
| 01/02/1991 | EP0404981A1 Process for production for a varistor material |
| 01/01/1991 | US4981624 Zinc oxide ceramic |
| 12/27/1990 | WO1990016074A1 Thermistor and method of making the same |
| 12/25/1990 | US4980541 Conductive polymer composition |
| 12/18/1990 | CA1278130C Melt-shapeable fluoropolymer compositions |
| 12/12/1990 | CN1010817B Surge arrester |
| 12/12/1990 | CN1010816B Ptc thermister for start of refrigerator compressor and its preparation |
| 12/11/1990 | US4977357 Overvoltage protection device and material |
| 12/11/1990 | US4977309 Organic PTC thermistor |
| 12/06/1990 | DE3917570A1 Electrical ceramic component esp. cold conductor - has over-doped surface giving increased breakdown resistance |
| 12/06/1990 | DE3917569A1 Large surface heating e.g. for vehicle mirror - using PTC resistance element that is bonded directly to elements of heated mirror |
| 12/04/1990 | US4975674 Surge absorber |
| 11/29/1990 | DE3926656A1 Halbleiter-temperaturdetektorschaltung Semiconductor temperature detecting circuit |
| 11/27/1990 | US4973934 PTC thermistor device |
| 11/22/1990 | EP0398811A2 Manufacturing method for a PTC thermistor |
| 11/22/1990 | EP0398572A1 Method of manufacturing a thick film resistor element |
| 11/22/1990 | EP0398364A2 Thick-film element having flattened resistor layer |
| 11/21/1990 | CN2066183U Special lightning arrester for choke unit |
| 11/20/1990 | CA1276731C Voltage non-linear resistor |
| 11/20/1990 | CA1276450C Resistor compositions |
| 11/14/1990 | EP0397163A1 Wound hermetic filamentary envelope and surge arrester assembly using same |
| 11/07/1990 | EP0395799A2 Pyrochlore related oxide and resistive paste comprising it |
| 11/06/1990 | US4968964 High temperature SiC thin film thermistor |
| 11/01/1990 | WO1990013133A1 Voltage nonlinear resistor and method of producing the same |
| 10/31/1990 | EP0394272A1 Ptc temperature sensors, process for producing ptc temperature-sensing elements for ptc temperature sensors. |
| 10/31/1990 | CN1046516A Barium titanate series semiconduotive ceramics material and making method thereof |
| 10/30/1990 | US4967176 Assemblies of PTC circuit protection devices |
| 10/30/1990 | US4966729 Thermosetting resin matrix with electroconductive fibers; softening points |
| 10/25/1990 | WO1990013165A1 Electronic part with safe-guard function |
| 10/24/1990 | EP0393854A1 Fail-safe surge arrester |
| 10/24/1990 | CN2064534U Silicon-based force sensitive components of film and thick film styles |
| 10/17/1990 | EP0392467A2 Thermistor and its preparation |
| 10/17/1990 | EP0392461A2 Thermistor made of diamond |
| 10/17/1990 | EP0392452A1 Titanium- and antimony-oxide sintered product |
| 10/17/1990 | EP0391900A1 Ntc temperature-sensing device and process for producing ntc temperature-sensing elements. |
| 10/16/1990 | US4963195 Thermocouples is connected to an silicon and germaniium alloy film; accuracy; heat resistance |
| 10/10/1990 | EP0390807A1 Electrical device comprising conductive polymers. |
| 10/09/1990 | US4962440 Grosslinked high density polyethyelne housing, metal oxide varistor, metal heat absorbers |
| 10/09/1990 | US4961999 Layer of finel particles of ruthenium based pyrochlore, borosilicate glass or mixture of glasses; high positive resistance coefficient |
| 10/04/1990 | WO1990011606A1 Laminated and grain boundary insulated type semiconductive ceramic capacitor and method of producing the same |
| 10/03/1990 | EP0390182A2 Resistor composition |
| 10/03/1990 | CN2063277U Semiconductor lightning canceller |