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)
01/1988
01/12/1988US4719335 Electrical sheet heater
01/12/1988US4719317 Film-type electrical element and connection wire combination and method of connection
01/12/1988US4719064 Voltage non-linear resistor and its manufacture
01/07/1988EP0251137A2 A resistor and an electron tube incorporating the same
01/07/1988EP0250905A2 Resistive paste, electric heating resistance and preparation process using this paste
01/06/1988CN86108011A Linear thick film negative temperature coefficient thermosensitive resistor
01/05/1988USH415 Multilayer PTCR thermistor
12/1987
12/29/1987US4716396 High power density, low corona resistor
12/29/1987US4716279 Self-temperature controlling type heating device
12/29/1987US4716276 Electric steam iron having a detachable handle
12/22/1987US4714910 Electrical component having high strength given stressing due to temperature change and due to surge currents, particularly a varistor
12/22/1987US4714800 Stress control/insulating composite article with an outer surface having convolutions and electric power cable terminated therewith
12/22/1987US4714645 Ceramic substrate, metal coating; electrodes
12/17/1987DE3619620A1 Process for preparing ceramic zinc oxide varistor material and use of the material prepared according to this process
12/16/1987EP0249202A1 Resistor compositions
12/15/1987US4713582 Spark plug
12/15/1987CA1230223A1 Conductive polymers exhibiting ptc characteristics
12/09/1987EP0248476A1 Metal film resistors
12/08/1987US4712085 Thermistor element and method of manufacturing the same
12/08/1987US4711803 Manganese, tantalum resinates on tin oxide, frits, hafnium oxide; fired
12/03/1987DE3718197A1 Method for fabricating a thermistor having a negative temperature coefficient
12/02/1987EP0247685A2 Use of compositionally modulated multilayer thin films as resistive material
12/01/1987US4710441 Stable high resistance transparent coating
11/1987
11/26/1987DE3717248A1 Chip-like thermistor having a negative temperature coefficient
11/26/1987DE3716142A1 Diesel fuel heater and filter
11/24/1987US4709243 Alloy of tantalum, nitrogen and high-melting metal
11/24/1987US4708769 Temperature dependent electric resistor probe and a method of making the same
11/19/1987EP0245900A2 Layered film resistor with high resistance and high stability
11/18/1987CN86103237A Temp. sensing material of polymer
11/11/1987EP0245092A2 Thermo-sensitive resistor
11/10/1987US4706060 Surface mount varistor
11/10/1987US4705713 Film resistor for flow measuring apparatus
11/10/1987US4705697 Electron beam formation of a thermal head using titanium silicide
11/05/1987DE3714117A1 Rauch- und/oder waermeerfassungseinrichtung Smoke and / or waermeerfassungseinrichtung
11/05/1987DE3712771A1 Verfahren zur herstellung eines isolierten elektrischen leiters A process for producing an insulated electrical conductor
11/04/1987EP0243602A1 Electric component having a higher solidity versus temperature variations and current pulses, especially a varistor
10/1987
10/28/1987EP0243256A1 Compositions for thermistors having a negative temperature coefficient
10/28/1987EP0242902A2 Protection device
10/27/1987CA1228474A1 Resistor compositions
10/21/1987EP0241932A2 Temperature detector
10/21/1987EP0241874A2 Device including a temperature sensor
10/20/1987US4701769 Thermal head and method for fabrication thereof
10/14/1987EP0241150A2 Voltage non-linear resistor and its manufacture
10/13/1987US4700258 Lightning arrester system for underground loop distribution circuit
10/13/1987US4700169 Zinc oxide varistor and method of making it
10/07/1987EP0240447A2 PTC thermal protector
10/07/1987EP0240206A2 Temperature sensitive resistance element
10/06/1987US4698614 PTC thermal protector
10/06/1987US4698265 Base metal resistor
10/06/1987US4698240 Applying fluoropolymer dissolved in noncombustible low boiling orgainc solvent
10/06/1987CA1227671A1 Aluminum alloy having a high electrical resistance and an excellent formability
09/1987
09/22/1987US4695818 Electrical resistor with a negative temperature coefficient for incremental resistance values and method for manufacturing same
09/22/1987CA1227254A1 Thermal head
09/17/1987DE3707505A1 PTC component
09/16/1987EP0237228A1 Electrical device
09/15/1987US4693953 Method for production of moisture sensitive element
09/15/1987US4693843 Resistance paste
09/12/1987CN85204650U Automatically constant temp. electric soldering iron
09/09/1987EP0236257A1 Metal-encapsulated gas-insulated high-voltage installation with an overvoltage arrester
09/09/1987EP0235454A1 PTC compositions containing carbon black
09/09/1987EP0235439A1 Electrically conductive polymers and their production
09/09/1987EP0235362A2 Apparatus for measuring fluid-flow velocity
09/09/1987EP0235359A2 Apparatus for measuring fluid-flow velocity
09/09/1987EP0235358A2 Apparatus for measuring fluid-flow velocity
09/09/1987EP0235357A2 Apparatus for measuring fluid-flow velocity
09/08/1987US4692735 Nonlinear voltage dependent resistor and method for manufacturing thereof
09/08/1987US4692289 Method of manufacturing voltage-dependent resistor
09/03/1987DE3606388A1 Varistor of chip construction
09/02/1987EP0234487A2 Thin film circuit and method for manufacturing the same
09/02/1987EP0234467A2 Electrodeless heterogeneous polypyrrole composite
08/1987
08/27/1987WO1987005146A1 Thin film platinum resistance thermometer with high temperature diffusion barrier
08/25/1987US4689595 PTC starter for asynchronous motor
08/25/1987US4689475 Electrical devices containing conductive polymers
08/19/1987EP0233022A2 Electrical surge arrester/diverter
08/11/1987US4686603 Overvoltage arrester
08/11/1987CA1225445A1 Thin film resistor for integrated circuit semiconductor device
08/05/1987EP0231068A2 Conductive polymer composition
08/05/1987EP0230761A2 Resistive circuit arrangement
08/05/1987CN86100666A Lightening arrester with gap voltage sensing and heat dissipating plates
08/04/1987US4685025 Conductive polymer circuit protection devices having improved electrodes
08/04/1987US4684916 Chip resistor
08/04/1987US4684790 Thermosetting acrylonitrile-butadiene rubber and thermoplastic blend containing polyvinyl chloride and rubber
08/04/1987US4684416 Alloy with small change of electric resistance over wide temperature range and method of producing the same
07/1987
07/29/1987EP0230103A2 Packing arrangement, particularly a surge arrester
07/22/1987EP0229509A2 Stable high resistance transparent coating
07/22/1987EP0229464A1 Frangible housing for an electrical component
07/21/1987US4682143 Thin film chromium-silicon-carbon resistor
07/21/1987US4681717 Process for the chemical preparation of high-field ZnO varistors
07/15/1987EP0228808A2 A temperature sensitive device
07/14/1987US4680236 Electrodeless heterogeneous polypyrrole composite
07/07/1987US4679113 Electrical distribution apparatus having draw-out surge arrester
07/07/1987US4679056 Thermal head with invertible heating resistors
06/1987
06/30/1987US4677415 Ceramic humidity sensor
06/30/1987US4677413 Precision power resistor with very low temperature coefficient of resistance
06/23/1987US4675644 Ceramic containing zinc oxide, alternate layers of silver and palladium coatings
06/10/1987EP0224903A2 Polymer composition having positive temperature coefficient characteristics
06/10/1987EP0224572A1 Circuit board material and process of making
06/03/1987EP0224074A2 Electrical distribution apparatus having draw-out surge arrester
06/03/1987CN85108454A High temp. and positive temp. coefficient heat-sensitive semiconductor ceramic material
06/02/1987US4670734 Method of making a compact, high-voltage, noninductive, film-type resistor