Patents for H01F 27 - Details of transformers or inductances, in general (43,362)
11/2001
11/13/2001US6317021 Variable inductor
11/09/2001CA2346599A1 Method and apparatus for increasing the rating of a transformer
11/09/2001CA2308044A1 Method and apparatus for increasing the rating of a transformer
11/08/2001WO2001084571A1 A stationary induction machine and a cable therefor
11/08/2001WO2001084564A2 Bulk stamped amorphous metal magnetic component
11/08/2001US20010038915 Self-bonding insulated wire and self-bonding litz wire comprising the same
11/08/2001US20010038327 Wound type common mode choke coil
11/08/2001DE10021977A1 RF security tag has dual wire coil is cheaper with more accurate resonant frequency
11/08/2001CA2409754A1 Bulk stamped amorphous metal magnetic component
11/07/2001EP1152640A2 Electromagnetic induction device
11/07/2001EP1152438A1 Multilayer inductor and method of manufacturing the same
11/07/2001CN2458709Y Ballast electronic element and device box for metal halid lamp
11/07/2001CN2458708Y Water-proof cap for transformer switch
11/07/2001CN2458707Y Voltage power general inductive apparatus
11/07/2001CN2458706Y Dry-type hollow reactor
11/07/2001CN2458705Y Coil winding structure for kickback transformer
11/07/2001CN2458704Y Step-up transformer for mine
11/07/2001CN2458703Y Single-phase rolled iron-core transformer
11/07/2001CN2458702Y Moisture absorption apparatus
11/07/2001CN2458701Y Low-voltage closed conductor outlet device for large and medium-sized air immersed transformer
11/06/2001US6312636 Method for electromagnetic actuator with molded connector
11/06/2001US6311387 Method of manufacturing inductor
11/06/2001CA2150353C Detection tag
11/01/2001WO2001082317A1 Multi-layer transformer having electrical connection in a magnetic core
11/01/2001WO2001082316A1 A wound transformer core and a method and apparatus for manufacturing thereof
11/01/2001US20010036702 Integrated circuit having a micromagnetic device and method of manufacture therefor
11/01/2001US20010035807 Transformer
10/2001
10/31/2001EP1150312A2 Composite magnetic body, and magnetic element and method of manufacturing the same
10/31/2001CN2457711Y Power transformer
10/31/2001CN2457704Y Dry oil-free casing
10/31/2001CN1319852A Electromagnetic sensor
10/30/2001US6310534 Nonferromagnetic terminal wire of electro- and themro-conductive copper-nickel-manganese alloy; and a magnetic tape core of ferromagnetic alloy comprising a thin band wound into a coil around the terminal wire and attached at end
10/30/2001US6308401 Transformer coil and method
10/25/2001WO2001080255A1 Insulated transformer foil windings with breakouts and methods for forming the same
10/25/2001US20010033218 Multilayer inductor
10/25/2001US20010033204 Monolithically intergrated transformer
10/25/2001US20010033175 Coil for automated mounting
10/25/2001US20010032718 System and method for cooling transformers
10/25/2001US20010032685 Magnetic core for saturable reactor, magnetic amplifier type multi-output switching regulator and computer having magnetic amplifier type multi-output switching regulator
10/24/2001EP1148522A2 Low noise and low loss reactor
10/24/2001EP1147527A1 Containing tank of an oil immersed power transformer
10/24/2001EP1147234A1 Method for treating a brittle thin metal strip and magnetic parts made from a nanocrystalline alloy strip
10/24/2001EP1060485B1 Multiple parallel conductor for electrical machines and devices
10/24/2001CN2456281Y Terminal transformer oil switch insulating safety casing
10/24/2001CN1319242A High-voltage fuse and power distribution network
10/24/2001CN1319238A Planar transformer
10/24/2001CN1319237A Fluid filled electrical device with diagnostic sensor located in fluid circulation flow path
10/24/2001CN1318852A Winding type common-mode choke coil
10/24/2001CN1318851A Harmonic wave shielding balanced transfermer
10/24/2001CN1073478C Electromagnetic joining or welding method for at least two metal members
10/23/2001US6307458 Split inductor with fractional turn of each winding and PCB including same
10/23/2001US6307457 Planar transformer
10/18/2001WO2001078092A1 Method of manufacturing chip inductor
10/18/2001WO2001078091A1 Miniaturized ac/dc power supply and battery charger
10/18/2001WO2001078090A1 Planar transformer
10/18/2001WO2001078088A1 Bulk amorphous metal magnetic component
10/18/2001US20010030595 Inductor and method for manufacturing same
10/18/2001US20010030594 Low noise and low loss reactor
10/18/2001US20010030593 Complex electronic component
10/18/2001US20010030592 Laminated ferrite chip inductor array
10/18/2001DE10017661A1 Anordnung mit einer Spule und einer in Serie geschalteten Widerstandsleiterbahn mit NTC-Charakteristik Arrangement with a coil and a resistor connected in series interconnect with NTC characteristic
10/18/2001CA2372598A1 Miniaturized ac/dc power supply and battery charger
10/17/2001EP1145388A2 Power cord provided with a power cord transformer
10/17/2001CN2454877Y Protective cover for voltage-current mutual inductor
10/17/2001CN1317863A Surface mounting type switching mains and its mounting method
10/17/2001CN1317806A Self-melting adhered insulating wire and self-melting adhered twisted wire using same
10/17/2001CN1073163C Process for treating grain oriented silicon steel
10/16/2001US6304164 Multilayer electronic component and manufacturing method therefor
10/11/2001WO2001075911A1 A multiphase induction device
10/11/2001WO2001075908A1 Dry type semi-conductor cable distribution transformer
10/11/2001DE10116287A1 Vakuum-beaufschlagter Hermetiktransformator Vacuum acted upon Hermetiktransformator
10/11/2001DE10101941A1 Spulenelement Coil element
10/11/2001DE10064076A1 Transformator Transformer
10/11/2001DE10016974A1 Spule für automatisierte Montage Coil for automated assembly
10/10/2001EP1143462A1 Coil with printed NTC-resistor connected in series
10/10/2001EP1143461A1 Automatically mounted coil
10/10/2001EP1142151A1 A remote feeder reactance coil
10/10/2001EP0740317B1 Line filter
10/10/2001CN2453528Y Linear reactance for electric motor soft starting and control
10/10/2001CN2453527Y Iron core locking type adjustable C shaped transformer
10/10/2001CN2453526Y Double convex type metal case type expander oil storage cabinet
10/10/2001CN2453525Y Transformer expansion heat radiation container
10/10/2001CN2453524Y Horizontal flow, stepless regulation type air cooling device for dry type transformer
10/10/2001CN2453521Y Sleeve insulator with current mutual inductor used for distribution transformer
10/10/2001CN1317144A Transformer core
10/10/2001CN1316750A Coil for autoamtic erected
10/09/2001US6301127 Circuit block for power supply
10/09/2001US6301114 Multilayered electronic part and electronic circuit module including therein the multilayered electronic part
10/09/2001US6300857 Insulating toroid cores and windings
10/09/2001US6299989 High stack factor amorphous metal ribbon and transformer cores
10/09/2001US6299762 Oil-filter assembly
10/09/2001CA2100146C Apparatus with interconnection arrangement
10/04/2001US20010026953 High frequency component and communication apparatus incorporating the same
10/04/2001US20010026459 Transformer
10/04/2001US20010026206 Coil element
10/04/2001US20010026017 An electronic circuit element of conductor/insulator stacked type using high machinability substrate and benzocylobutene as insulator
10/04/2001EP1138939A1 Ignition apparatus for an internal combustion engine
10/04/2001EP1138637A1 Electron-emitting device and electron-emitting electrode
10/04/2001EP0985218B1 Device and method for cooling a planar inductor
10/04/2001EP0950118B1 Process for the production of grain oriented silicon steel sheet