Patents
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)
12/1997
12/04/1997DE19721101A1 Electronic component, e.g. thermistor, with resin coated feed terminals
12/04/1997DE19621686A1 Verfahren zur Herstellung von optisch aktiven Aminen A process for producing optically active amines
12/03/1997EP0810613A2 Surge arrester
12/03/1997EP0810612A1 Oxide ceramic thermistor containing indium
12/03/1997EP0810611A1 High temperature thermistor containing rare earth metals
12/03/1997EP0810425A1 Electrical resistance temperature sensor
12/03/1997EP0809875A1 Device for current limitation and protection against short-circuit currents in an electric installation
12/02/1997US5694107 Oxides of aluminum, chromium and iron having corundum structure contains prescribed amount of oxides of magnesium;attains a high constant value in a broad range of relatively high temperatures and therefore has high accuracy
11/1997
11/26/1997EP0809262A1 PTC thermistor
11/26/1997EP0809093A1 Temperature sensor with measuring resistor
11/26/1997EP0362308B1 Overvoltage protection device and material
11/26/1997CN1166036A Chip electronic device and its mfg. method
11/25/1997US5691690 Chip type jumper
11/25/1997US5691689 Electrical circuit protection devices comprising PTC conductive liquid crystal polymer compositions
11/25/1997US5691688 PTC device
11/25/1997US5690727 Thin films of ABO3 with excess B-site modifiers and method of fabricating integrated circuits with same
11/25/1997CA1339553C Material for resistor body and non-linear resistor made thereof
11/19/1997CN2268294Y Ceramic-damper resistance
11/19/1997CN1165125A Zinc oxide ceramics composition and its manufacture method and zinc oxide nonlinear resistance
11/18/1997US5688565 Integrated circuits
11/18/1997US5688424 PTC thermistor
11/13/1997DE19621931C1 Silver@ baking paste giving barrier-free, solderable contact film with good adhesion to ceramic cold conductor
11/12/1997EP0806780A1 Zinc phosphate coating for varistor and method
11/12/1997CN1164927A Temperature sensor and its manufacture
11/11/1997US5686830 Method of supplying positive temperature coefficient thermistor elements to the receiving and transmitting sides of a communication device
11/11/1997US5686367 Semiconducting ceramic composition having positive temperature coefficient of resistance and production process thereof
11/06/1997WO1997041573A1 Varistor block
11/05/1997CN1164108A Resistance component and resistor using same
11/05/1997CN1164107A Electronic device having lead terminals coated with resin
11/04/1997US5684665 Modular electrical assembly with conductive strips
11/04/1997US5684664 Method for the production of an insulator
11/04/1997US5683566 Surface mounted device
10/1997
10/30/1997WO1997040517A1 Illuminator and display utilizing the same
10/30/1997DE19617148A1 Power control of bimetallic energy regulator e.g. for small 6 W heating plate
10/29/1997EP0803967A1 Component for motor start-up circuit
10/29/1997EP0803881A1 Polymer based high tension current limiter
10/29/1997EP0803880A2 Voltage-dependent non-linear resistor member, method for producing the same and arrester
10/29/1997EP0803879A1 Conductive polymer composition
10/29/1997CN1163465A Pressure sensitive nonlinear resistor, method for producing pressure sensitive nonlinear resistor and lighting arrester
10/28/1997US5681111 High-temperature thermistor device and method
10/23/1997WO1997039462A1 Enhanced varistor-based lighting arresters
10/23/1997WO1997039461A1 Manufacturing methods for positive temperature coefficient materials
10/23/1997WO1997039383A1 Method of manufacturing passive elements using conductive polypyrrole formulations
10/22/1997EP0802621A1 Motor start-up circuit
10/22/1997CN1163012A Surge arrester with overvoltage sensitive grounding switch
10/22/1997CN1163011A Thermal head and its manufacture
10/22/1997CN1036228C Manufacture of ceramic element
10/21/1997US5680316 Method for estimating discharge capability of zinc oxide power element, method for screening the element and systems for carrying out these methods
10/21/1997US5680289 Surge arrester
10/21/1997US5680092 Copper-nickel alloy layer formed by alloying the multilayer of copper and nickel plating layers on an undercoatings under heat treatment
10/14/1997US5677662 Heat-sensitive resistive compound and method for producing it and using it
10/14/1997US5677070 Substrate bearing resistive film consisting of carbon, at least one metal, hydrogen; carbide-free
10/08/1997EP0799808A1 Semiconducting ceramic compounds having negative resistance-temperature characteristics with critical temperatures
10/08/1997CN1161756A Ceramic electrical resistor and its use
10/08/1997CN1161755A Surge arrester
10/07/1997US5675310 Thin film resistors on organic surfaces
10/07/1997US5675307 PTC device with extended thickness
10/07/1997CA2056274C Directionally vented underground distribution surge arrester
10/02/1997WO1997036153A1 Liquid level sensor
10/01/1997EP0798750A2 Current limiting resistor with PTC-behaviour
10/01/1997EP0798275A1 A method for manufacturing thermistor materials and thermistors
09/1997
09/25/1997WO1997034653A1 Components for inhalation devices
09/25/1997CA2248050A1 Components for inhalation devices
09/24/1997EP0797221A2 PTC element and its mounting member assembly for electrical junction box
09/24/1997EP0797220A2 A resistor composition and resistors using the same
09/24/1997CN1160274A Positive characteristics thermistor device
09/24/1997CN1160273A Medium- and low-temp. sintered combined characteristic thermosensitive resistor material composition and preparing method
09/23/1997US5669381 Electrical overstress pulse protection
09/18/1997WO1997034444A1 Functionally stepped, resistive ceramic
09/17/1997EP0795879A1 Temperature sensor and its manufacture
09/17/1997EP0795878A2 Chip resistor
09/16/1997US5668524 Ceramic resistor and electrostatic chuck having an aluminum nitride crystal phase
09/11/1997DE19708584A1 Exothermic body e.g. for radiant heater plate
09/10/1997EP0793853A1 Surface-mountable electrical component
09/10/1997CN2262278Y Micro NTC thermistor
09/04/1997WO1997032382A1 Self-compressive surge arrester module and method of making same
09/04/1997WO1997032319A1 Self-compressive surge arrester module and method of making same
09/04/1997WO1997032317A1 Polymeric weathershed surge arrester and method
09/03/1997CN1035793C Posistor device with positive temp. coefficient
09/02/1997US5663702 PTC electrical device having fuse link in series and metallized ceramic electrodes
08/1997
08/28/1997WO1997031380A1 Surge arrester
08/27/1997EP0791223A1 Surge arrester with overvoltage sensitive grounding switch
08/27/1997EP0727091B1 Overvoltage protection device
08/27/1997EP0650450B1 Self limiting microwave susceptor
08/27/1997CN2261066Y Diamond thin-film sheet-shape temp. resistance
08/27/1997CN1158163A Temp. sensor element, temp. sensor having the same and method for producing the same temp. sensor element
08/26/1997US5661332 Semiconductor diffused resistor
08/26/1997US5661094 Comprising oxide of copper, iron, nickel and manganese; heat resistance, aging resistance
08/26/1997CA2041625C Voltage non-linear resistor for gapped lightning arrestors and method of producing the same
08/21/1997WO1997006660A3 Surface mount conductive polymer devices and method for manufacturing such devices
08/20/1997EP0790754A2 Heating elements and a process for their manufacture
08/20/1997EP0790625A2 PTC element
08/20/1997CN1035699C Size compositions suitable for making thick film resistor
08/19/1997US5658479 Positive temperature coefficient thermistor heater and positive temperature coefficient thermistor heater device using the same
08/19/1997CA2060110C Voltage non-linear resistor
08/14/1997WO1997029492A2 Ptc conductive polymer devices
08/13/1997EP0789381A1 A resistor capable of acting as a circuit breaker
08/13/1997EP0789366A2 Semiconductive ceramic composition having negative temperature coefficient of resistance
08/12/1997US5656330 Hydrogenated amorphous silicon film
08/07/1997WO1997028593A1 Direct contact varistor assembly