Patents for H01F 3 - Cores, yokes or armatures (3,764) |
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09/16/2003 | US6621183 Supply of power to primary conductors |
09/12/2003 | WO2003075403A1 Antenna coil |
09/10/2003 | CN1441446A Press powder magnetic core and choke using said magnetic core |
09/09/2003 | US6617950 Common mode/differential mode choke |
09/03/2003 | EP0968504B1 Electrical choke |
08/28/2003 | US20030160677 Powder core and reactor using the same |
08/26/2003 | US6611187 Magnetic core, coil assembly and power supply circuit using the same |
08/21/2003 | WO2003008539A3 Non-alloying core shell nanoparticles |
08/14/2003 | US20030150523 Powder core and high-frequency reactor using the same |
08/13/2003 | EP1335391A1 Nanocrystalline toroidal core |
08/13/2003 | EP1334495A1 Ferrite core with a novel construction |
08/13/2003 | EP0901706B1 A method and a device for reducing third harmonic phenomena in a rotating electric alternating current machine |
08/13/2003 | CN1436352A Bulk amorphous metal magnetic component |
08/13/2003 | CN1435854A Coil packaged magnetic dust core capable of obtaining excellent inductive property and mfg. method thereof |
07/30/2003 | CN1433033A Inductance part with permanent magnet set in magnetic gap |
07/29/2003 | US6600402 Bobbins, transformers, magnetic components, and methods |
07/24/2003 | WO2003060935A1 Transformer |
07/24/2003 | WO2003060932A1 Method for controlling flux of electromagnet and an electromagnet for carrying out said method (variants) |
07/24/2003 | WO2003060930A1 Powder magnetic core and high frequency reactor using the same |
07/24/2003 | CA2472024A1 Method for controlling flux of electromagnet and an electromagnet for carrying out said method (varients) |
07/23/2003 | EP1330015A1 Magnetic core, coil component comprising it, and power source circuit |
07/22/2003 | US6597271 Electromagnetic apparatus having adjusting effective core gap |
07/16/2003 | CN1430787A Electromagnet core, method of manufacturing electromagnet core, and elevator hoist brake utilizing electromagnet core |
07/15/2003 | US6593836 Bobbins, transformers, magnetic components, and methods |
07/10/2003 | US20030129608 Non-alloying core shell nanoparticles |
07/10/2003 | US20030128091 Transformer |
07/09/2003 | CN1428796A Winding-core type choke, winding-core type converter and their mfg. method |
07/08/2003 | US6590485 Magnetic core having magnetically biasing bond magnet and inductance part using the same |
07/08/2003 | US6590385 Variable reluctance sensor assembly with magnetic spool |
07/03/2003 | US20030121392 Automatic iron core air gap cutting apparatus |
07/02/2003 | CN2559083Y Silicon steel sheet capable of stacking and locating |
06/26/2003 | WO2003052322A1 Electronic ignition circuit for oil burners |
06/26/2003 | US20030116671 Drum type core with discrete structure |
06/26/2003 | US20030115742 Magnetic circuit with coil |
06/25/2003 | EP1321950A1 Permanent magnet, magnetic core having the magnet as bias magnet, and inductance parts using the core |
06/25/2003 | EP1320858A1 A method of manufacturing an inductor |
06/24/2003 | US6583701 Inductor with variable air-gap separation |
06/24/2003 | US6583698 Wire core inductive devices |
06/19/2003 | US20030112111 Three-phase transformer |
06/18/2003 | EP1319234A2 Planar inductive element |
06/17/2003 | US6580348 Flat magnetic core |
06/17/2003 | US6579383 Powder magnetic core |
06/12/2003 | DE20304499U1 Laminated core of silicon steel for electrical transformers and inductances has U-shaped laminates grouped together and having arms with different lengths |
06/11/2003 | EP1318529A2 Surface hardened soft magnetic actuator part and fabrication process |
06/04/2003 | CN1110826C Magnet core and its making method and equipment |
05/28/2003 | EP1315181A1 Transformer |
05/28/2003 | CN1420988A Sensor for measuring direct current and measuring method |
05/28/2003 | CN1420505A 变压器 Transformer |
05/22/2003 | WO2003043034A1 Controlled induction device and method of manufacturing |
05/22/2003 | WO2003043033A1 Inductive component and method for producing same |
05/22/2003 | US20030095026 Transformer |
05/22/2003 | US20030094304 Insulated conductor for high-voltage windings |
05/22/2003 | CA2466706A1 Controlled induction device and method of manufacturing |
05/15/2003 | WO2003041247A1 Motionless electromagnetic generator |
05/15/2003 | US20030090355 Transformer core |
05/13/2003 | US6563474 Remote access device having multiple inductive coil antenna |
05/08/2003 | WO2003038959A1 Rod coil for ignition systems |
05/07/2003 | CN2549572Y Coiled iron core |
05/01/2003 | US20030080844 Wire-wound coil |
04/30/2003 | CN1415111A Power conversion system utilizing wire core inductive devices |
04/24/2003 | US20030078005 Apparatus and methods for noise suppression in communications systems |
04/23/2003 | EP1303861A2 Bulk metal magnetic component |
04/23/2003 | CN1412792A Wirewound coil |
04/23/2003 | CN1106453C Rear earth/Fe/Boron base magnet alloy fast quenching thin strap |
04/17/2003 | WO2002059914A3 Toroidal inductive devices and methods of making the same |
04/17/2003 | US20030071705 Electromagnetic apparatus having adjusting effective core gap |
04/17/2003 | US20030071704 Common-mode choke coil |
04/17/2003 | US20030070282 Ultra-miniature magnetic device |
04/10/2003 | US20030066183 Manufacturing method of layered core |
04/09/2003 | CN1105413C Rotating electrical machine plant |
04/03/2003 | US20030062980 Configuration for producing electrical power from a magnetic field |
04/02/2003 | CN1408119A Method of manufacturing inductor |
04/02/2003 | CN1407564A Magnetic element and its manufacture, power supply module therewith |
03/27/2003 | US20030058072 Magnetic member for electromagnetic driving device and manufacturing method thereof |
03/26/2003 | CN1406408A Magnetic core, coil component comprising it, and power source circuit |
03/26/2003 | CN1405954A Iron-alloy band material for voice-coil motor magnetic circuit |
03/19/2003 | EP0862781B1 Fuel injection valve |
03/13/2003 | US20030048167 Magnetic device, method for manufacturing the same, and power supply module equipped with the same |
03/12/2003 | CN1103133C Turbo generator plant |
03/06/2003 | WO2003019587A1 Magnetically hard object and method for adjusting the direction and position of a magnetic vector |
03/06/2003 | US20030043006 Inductor with variable air-gap separation |
03/06/2003 | US20030042455 Method of forming laminated core and electromagnetic type valve driving device |
03/05/2003 | EP1288975A2 Magnetic device, method for manufacturing the same and power supply module equipped with the same |
03/05/2003 | CN2539259Y Improved square magnetic head |
03/05/2003 | CN2539258Y Improved square magnetic ring and drum-shaped iron core combined structure |
03/04/2003 | US6529110 Microcomponent of the microinductor or microtransformer type |
03/04/2003 | US6527823 Used for a magnetic core of a transformer, an inductance, a magnetic core for a motor, and other electronic parts |
03/04/2003 | US6527822 Prepared by quenching of an alloy melt by the method of strip casting, from which a sintered permanent magnet is obtained by powder metallurgy; improved magnetic properties; given metallographic structure |
02/26/2003 | EP1286367A1 Electromagnet core, method of manufacturing the electromagnet core, and elevator hoist brake utilizing the electromagnet core |
02/26/2003 | CN1399284A Inductor core |
02/25/2003 | US6525638 Choke coil |
02/25/2003 | US6524459 Electrode for electron-emitting device |
02/20/2003 | WO2002096262A3 Non-alloying core shell nanoparticles |
02/20/2003 | US20030034091 Iron alloy strip for voice coil motor magnetic circuits |
02/19/2003 | CN1398412A Transformer core |
02/19/2003 | CN1101988C Electric high voltage AC machine |
02/18/2003 | US6522231 Power conversion systems utilizing wire core inductive devices |
02/13/2003 | US20030030535 Interlock tabs for laminations |
02/13/2003 | US20030030529 Induction devices with distributed air gaps |
02/12/2003 | EP1283276A1 Iron alloy strip for voice coil motor magnetic circuits |