Patents for H01F 3 - Cores, yokes or armatures (3,764)
02/2003
02/12/2003CN2535907Y Iron-base nano crystal high-frequency magnetic core
02/12/2003CN1101612C Insulated conductor for high-voltage winding
02/06/2003WO2003010784A1 Magnetic core for inductor
02/06/2003US20030024607 Powder magnetic core
02/04/2003US6515568 Multilayer component having inductive impedance
01/2003
01/30/2003WO2003008539A2 Non-alloying core shell nanoparticles
01/30/2003US20030020580 Magnetic core for inductor
01/29/2003EP1279177A1 A wound transformer core and a method and apparatus for manufacturing thereof
01/29/2003CN1100377C Synchronous compensator plant
01/16/2003WO2003005384A1 Method for manufacturing coil device
01/09/2003US20030008419 Induction magnet for use in producing high-density plasma and method of manufacturing the same, and semiconductor manufacturing equipment comprising the induction magnet
01/09/2003US20030006874 Winding structure of inductor used in power factor correction circuit
01/09/2003US20030006873 Laced electrode coil and method of making
01/09/2003US20030006760 Variable reluctance sensor assembly with magnetic spool
01/09/2003US20030005571 Method for fabricating electrical core sheet assemblies
01/09/2003US20030005570 Method of fabricating an electrical core sheet assembly of circular cross section
01/08/2003EP1273813A2 Stator core for a magnetic bearing and method of manufacturing the same
01/07/2003US6504466 Lamination-type coil component and method of producing the same
01/07/2003US6503339 Hot rolling directly from casting heat or after reheating; multiple metal forming passes producing two phase austenite and ferrite regions during finishing rolling; iron with at least carbon, silicon, aluminum and manganese
01/02/2003US20030001446 Stator core for a magnetic bearing and the method of manufacturing it
01/02/2003EP1269495A2 A magnetic product
01/02/2003EP1269493A1 Transformer core
01/02/2003EP1269489A1 Bulk amorphous metal magnetic component
01/02/2003DE20216383U1 Magnetic steel strip for supporting permanent magnets, is fixed with adhesive and has permanent magnet held on coated surface
01/01/2003CN2529361Y Cylinder iron core
01/01/2003CN1388976A Method of manufacturing a sbstantially closed core, core, and magnetic coil
12/2002
12/31/2002US6501365 Ignition coil having a circular core and a method of making the same
12/26/2002US20020195897 Device in the stator of a rotating electric machine
12/25/2002CN1097335C Hydroelectric power generating equipment
12/19/2002US20020190831 Sensor for measuring a direct current and a measuring method
12/19/2002US20020190830 Inductor component containing permanent magnet for magnetic bias and method of manufacturing the same
12/19/2002DE10128527A1 Inductor for large-current application, includes magnetic core with air gap having small and large gap portions and stair-shaped surface
12/18/2002CN1096736C Rotating electrical machine and method for manufacturing same
12/18/2002CN1096735C Device in stator of rotatating electric machine
12/10/2002US6492893 Method of manufacturing a substantially closed core, core, and magnetic coil
12/05/2002WO2002096262A2 Non-alloying core shell nanoparticles
12/05/2002US20020180575 Inductance component comprising a permanent magnet greater in sectional area than a magnetic path and disposed in a magnetic gap
12/04/2002EP1263005A1 Inductance component comprising a permanent magnet greater in sectional area than a magnetic path and disposed in a magnetic gap
12/04/2002EP1261844A1 System for generating electric energy from a magnetic field
11/2002
11/28/2002WO2002069360A3 Coil component and method of manufacturing the same
11/28/2002US20020177143 Non-alloying core shell nanoparticles
11/28/2002US20020175571 Common mode/differential mode choke
11/21/2002US20020171524 Ignition coil
11/21/2002DE10212930A1 Induktorkomponente mit einem Permanentmagnet für magnetische Vorspannung und Herstellungsverfahren derselben Inductor having a permanent magnet for magnetic bias and production method thereof
11/19/2002US6483412 Transformer or inductor containing a magnetic core
11/14/2002WO2002091406A1 Tranformer or inductor containing a magnetic core
11/14/2002US20020167388 Transformer
11/14/2002US20020167385 Transformer with integrated inductor
11/13/2002CN1379418A Inductance element containing permanent magnet for bias magnet and its making method
11/07/2002WO2002059918A8 Wire core inductive devices having a flux coupling structure and methods of making the same
11/07/2002US20020163413 Transformer or inductor containing a magnetic core
11/06/2002EP1255346A2 Transformer with integrated choke coil
11/06/2002EP1102609B1 Magnetic field applicator for heating magnetic or magnetizable substances or solids in biological tissue
11/05/2002US6475359 Thin-film processing electromagnet with modified core for producing low-skew magnetic orientation
10/2002
10/31/2002US20020159277 Magnetic core, coil assembly and power supply circuit using the same
10/31/2002US20020158743 Ferrite cores with a new shape
10/31/2002US20020158741 Chip impeder
10/30/2002EP0901709B1 Stator winding of a rotating electric machine and such a machine
10/24/2002WO2002084676A1 Magnetic core and magnetic core-use adhesive resin composition
10/24/2002US20020153981 Functional material-composite structural magnetic core
10/24/2002US20020153800 Device in the stator of a rotating electric machine and such a machine
10/24/2002DE10119106A1 Transformer for switch-mode power supply, has three cores formed as separate components and with air gaps between
10/17/2002WO2002059915A3 Wire core inductive devices having a biassing magnet and methods of making the same
10/17/2002US20020149458 Magnetically biasing bond magnet for improving DC superposition characteristics of magnetic coil
10/16/2002CN1374359A Insulating adhesive for preparing metal magnetic powder core
10/10/2002WO2002065488A3 Method of manufacturing a stacked core for a magnetic induction device
10/03/2002WO2002078020A1 Electromagnet core, method of manufacturing the electromagnet core, and elevator hoist brake utilizing the electromagnet core
10/02/2002EP1245032A1 Bulk amorphous metal magnetic component
10/02/2002EP1244920A1 Sensor for measuring a direct current and a measuring method
10/02/2002CN1372275A Chip inductive resistor
10/01/2002US6459349 Circuit breaker comprising a current transformer with a partial air gap
09/2002
09/25/2002CN1371106A Inductor part
09/24/2002US6456182 Common mode choke coil
09/19/2002US20020132136 Low loss, high frequency composite magnetic material and methods of making the same
09/18/2002EP0771466B1 A metallic glass cutting apparatus and method thereof
09/12/2002WO2002071420A1 Electromagnetic actuator
09/12/2002US20020125788 Axial cooling tubes provided with clamping means
09/12/2002DE10207133A1 Magnetic core containing powder, used in electrical or electronic instrument, e.g. in car or industrial machine, comprises magnetic iron particles and small amount of binder resin based on polyphenylene sulfide or thermoplastic polyimide
09/06/2002WO2002069360A2 Coil component and method of manufacturing the same
09/06/2002WO2002025677A3 Planar inductive element
09/05/2002US20020121955 Low profile transformer
09/05/2002US20020121948 Circuit breaker comprising a current transformer with a partial air gap
08/2002
08/28/2002CN2508358Y Rare-earth permanent magnet
08/22/2002WO2002065493A1 Noncontact coupler
08/22/2002WO2002065488A2 Method of manufacturing a stacked core for a magnetic induction device
08/15/2002US20020109571 Magnetic core comprising a bond magnet including magnetic powder whose particle's surface is coated with oxidation-resistant metal
08/14/2002EP1212774A4 Laser gapping of magnetic cores
08/14/2002DE10162907A1 Fernzugriffsvorrichtung mit induktiver Mehrfachrahmenantenne Remote access device with multiple inductive loop antenna
08/14/2002CN2505960Y Improved filter iron core structure
08/14/2002CN2505959Y Functional material composite structure magnetic core
08/14/2002CN1363939A Magnet core with magnetic deflecting body and inductor therewith
08/07/2002EP1228517A1 Method of manufacturing a substantially closed core, core, and magnetic coil
08/06/2002US6429639 Combined filter inductor and hall current sensor
08/01/2002WO2002059918A1 Wire core inductive devices having a flux coupling structure and methods of making the same
08/01/2002WO2002059916A1 Inductive devices having a wire core with wires of different shapes and methods of making the same
08/01/2002WO2002059915A2 Wire core inductive devices having a biassing magnet and methods of making the same
08/01/2002WO2002059914A2 Toroidal inductive devices and methods of making the same
08/01/2002CA2435249A1 Wire core inductive devices having a biassing magnet and methods of making the same
08/01/2002CA2435246A1 Wire core inductive devices having a flux coupling structure and methods of making the same
08/01/2002CA2435234A1 Inductive devices having a wire core with wires of different shapes and methods of making the same
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