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) |
---|
03/22/1992 | CA2051824A1 Thermistor having a negative temperature coefficient in multi-layer technology |
03/19/1992 | WO1992004720A1 Positive characteristic thermistor and manufacturing method therefor |
03/19/1992 | WO1992004718A1 Flame retardant conductive polymer composition device |
03/19/1992 | DE4029107A1 Varistors with improved radial resistance distribution - comprises differing ceramic compsn. for centre and mantle for cylinder for high energy dissipation |
03/19/1992 | DE4029106A1 High performance zinc-oxide varistors mfr. - by impregnating parts after firing binder with antimony contg. soln., drying and sintering the part |
03/17/1992 | US5096620 Lead-zinc-borosilicate glass |
03/10/1992 | US5095239 Varistor in an electric motor |
03/10/1992 | US5095227 MOS transistor temperature detecting circuit |
03/10/1992 | CA1297140C2 Tape element and methods, for heating, pressure measurement and circuit fabrication |
03/10/1992 | CA1296878C Electrical overstress protection material and process |
03/05/1992 | WO1992003833A2 Thin-film resistance temperature device |
03/05/1992 | WO1992003711A1 Temperature sensor and process for producing temperature-sensor elements |
03/04/1992 | EP0473419A2 Voltage non-linear resistor and method of producing the same |
03/04/1992 | CN2098077U Feedthrough voltage-dependent |
03/03/1992 | US5093898 Electrical device utilizing conductive polymer composition |
03/03/1992 | US5093647 Sliding electric parts |
03/03/1992 | US5093555 Electrical resistance; internal combustion engines |
03/03/1992 | US5093036 Conductive polymer composition |
03/03/1992 | CA1296515C Resistor compositions |
02/26/1992 | EP0472259A2 Voltage non-linear resistor for gapped lightning arresters and method of producing the same |
02/26/1992 | EP0289582B1 Method for preparing a metal oxide varistor precursor powder |
02/25/1992 | CA1296382C Metal-encapsulated gas-insulated high-voltage installation with an overvoltage arrester |
02/19/1992 | EP0471138A2 Process for producing an electrical measuring resistor |
02/18/1992 | US5089802 Diamond thermistor and manufacturing method for the same |
02/18/1992 | US5089801 Self-regulating ptc devices having shaped laminar conductive terminals |
02/18/1992 | US5089688 Composite circuit protection devices |
02/18/1992 | US5089293 Method for forming a platinum resistance thermometer |
02/18/1992 | CA1296043C Electrical devices comprising conductive polymers |
02/18/1992 | CA1295807C Coprecipitation method for the manufacture of zinc oxyde based doped powders |
02/12/1992 | EP0470262A1 Copper alloy composition |
02/11/1992 | US5088001 Surge arrester with rigid insulating housing |
02/06/1992 | WO1992001631A1 Method for producing doped zinc oxide powder, and powder obtained |
02/05/1992 | EP0469638A2 A power detector comprising a thin film conductor |
02/04/1992 | US5086286 Gas-sensitive device |
02/04/1992 | US5085804 Sintered mixture of molybdenum disilicide, silicon carbide and silicon nitride; igniter |
01/28/1992 | US5084426 Semiconductive ceramic composition |
01/22/1992 | EP0467133A2 Temperature sensor or sensing devices made of glass-ceramics with contacting film-resistances |
01/22/1992 | CN2094099U High-stability energy-saving semiconductor gas-sensitive sensor |
01/21/1992 | CA1294715C Variable resistance thermal protector and method of making same |
01/21/1992 | CA1294398C Process for producing self-restoring overcurrent protective device by grafting method |
01/14/1992 | US5081439 Thin film resistor and method for producing same |
01/14/1992 | US5081438 Thermistor and its preparation |
01/14/1992 | US5081405 Electrical actuator with means for preventing dither at a limit switch |
01/09/1992 | WO1992000593A1 Method of manufacturing a metal oxide varistor with improved energy capability |
01/07/1992 | US5079037 Resistive films comprising resistive short fibers in insulating film forming binder |
01/07/1992 | US5078914 Melamine resin, polyester, acid catalyst, crosslinking, oil and fuel resistance |
01/02/1992 | EP0463549A1 Surface resistor for anemometer |
01/01/1992 | CN2092135U Communication security device using thermistor with positive temp coefficient |
12/31/1991 | US5076979 Sintering zinc oxide and manganese compound |
12/24/1991 | US5075666 Varistor composition for high energy absorption |
12/24/1991 | US5075665 Laminated varistor |
12/24/1991 | US5075282 Printing method of forming oxide superconducting films on La2 Cu O.sub. |
12/18/1991 | EP0461864A1 Self-resetting overcurrent protection element |
12/17/1991 | US5073302 Varistor material and process for production therefor |
12/17/1991 | CA1293294C Zinc oxide type lightning-conducting element |
12/17/1991 | CA1293293C Lightning arrestor insulator |
12/17/1991 | CA1293118C Voltage non-linear resistor and its manufacture |
12/12/1991 | WO1991019297A1 Method of manufacturing an electrical device |
12/11/1991 | EP0460790A1 Conductive polymer composition and electrical device |
12/05/1991 | CA2037156A1 Conductive polymer composition and electrical device |
12/04/1991 | EP0458958A1 Bubble jet print head having improved multiplex actuation construction. |
12/04/1991 | CN1015035B Ptc thermistor device |
12/03/1991 | US5070326 Zinc oxide varistor particles, improved contrast |
12/03/1991 | US5069824 Oxides of the pyrochlore family and electrically resistant materials that contain them |
11/26/1991 | US5068634 Overvoltage protection device and material |
11/26/1991 | US5068518 Self-temperature control flexible plane heater |
11/26/1991 | CA1292503C Surge protector for telecommunications terminals |
11/19/1991 | US5066938 Diamond film thermistor |
11/14/1991 | WO1991017554A1 Surge arrester |
11/12/1991 | US5065221 Trimming resistor element for microelectronic circuit |
11/12/1991 | US5064997 Composite circuit protection devices |
11/12/1991 | US5064573 Resistive paste comprising oxides of ruthenium, lead, iron and zinc |
11/12/1991 | CA1291905C Electronic device fabrication on non-conductive polymer substrate |
11/12/1991 | CA1291885C Metal film resistors |
11/12/1991 | CA1291883C Hot wire air flow meter |
11/09/1991 | WO1991017553A1 Low voltage varistor array |
11/09/1991 | WO1991017472A1 Varistor driven liquid crystal display |
11/09/1991 | CA2082384A1 Varistor driven liquid crystal display |
11/09/1991 | CA2082383A1 Low voltage varistor array |
11/06/1991 | EP0454857A1 Small dc motor |
11/05/1991 | US5062993 Process for fabricating doped zinc oxide microsphere gel |
10/30/1991 | EP0454422A2 PTC device |
10/30/1991 | CN1014571B Method for making zinc metastannate gas |
10/29/1991 | US5061550 Multilayer material having a resistance layer formed on an electrically conductive layer and a multilayer board for a printed circuit board which has a resistance layer |
10/27/1991 | WO1991016607A1 Semiconductor film bolometer thermal infrared detector |
10/26/1991 | CA2040789A1 Ptc device |
10/23/1991 | EP0452511A1 Zinc oxide varistor, manufacture thereof, and crystallized glass composition for coating |
10/22/1991 | US5059941 Electrode structure for a thick film resistor |
10/22/1991 | CA1291277C Encapsulated thermal protector |
10/16/1991 | EP0452141A2 The determination of a characteristic of a medium |
10/15/1991 | US5057964 Surge protector for telecommunications terminals |
10/15/1991 | US5057673 Self-current-limiting devices and method of making same |
10/10/1991 | CA2014315A1 Non-linear resistance element |
10/09/1991 | CN1014280B Method for mfg. platinum film of temp. sensor |
10/08/1991 | CA1290465C Polymer type ptc assembly |
10/04/1991 | WO1991015863A1 Pre-engineered electrode/dielectric composite film and related manufacturing process for multilayer ceramic chip capacitors |
10/04/1991 | CA2078230A1 Pre-engineered electrode/dielectric composite film and related manufacturing process for multilayer ceramic chip capacitors |
10/03/1991 | CA2038720A1 Arrester |
10/01/1991 | US5053908 Psc motor start system |
10/01/1991 | US5053739 Very high energy absorbing varistor |