Patents for H01F 3 - Cores, yokes or armatures (3,764)
08/2004
08/17/2004US6778034 EMI filters
08/12/2004US20040158801 Method of manufacturing an inductor
08/11/2004EP1445779A2 Corrosion-resistant laminated steel part and corrosion-proofing method for laminated steel parts
08/11/2004EP1444706A1 Inductive component and method for producing same
08/10/2004US6774758 Low harmonic rectifier circuit
08/10/2004US6774756 Functional material-composite structural magnetic core
08/05/2004WO2004066438A1 Antenna core
08/05/2004WO2004066322A2 Antenna core and method for producing an antenna core
08/05/2004US20040150503 Gapped amorphous metal-based magnetic core
08/05/2004US20040150500 Controlled induction device and method of manufacturing
08/05/2004US20040150285 Low core loss amorphous metal magnetic components for electric motors
08/05/2004DE10302646A1 Antennenkern und Verfahren zum Herstellen eines Antennenkerns Antenna core and method for manufacturing an antenna core
08/03/2004US6771157 Wire-wound coil
08/03/2004US6771156 Choke
07/2004
07/29/2004WO2004064084A2 Self-damped inductor
07/28/2004EP1440498A1 Rod coil for ignition systems
07/28/2004EP1163686B1 Electromagnet
07/27/2004US6768409 Magnetic device, method for manufacturing the same, and power supply module equipped with the same
07/27/2004US6768408 Method of configuring common mode/differential mode choke
07/22/2004WO2004061837A1 Magnetic field generator and magneto-optical information storage device
07/22/2004WO2004061287A2 Fuel injector having segmented metal core
07/22/2004US20040140880 Coupling device
07/22/2004US20040140876 Inductor component
07/21/2004EP1439554A1 Inductive component
07/21/2004CN1514451A Iron core structure having gap used for magnetic unit
07/21/2004CN1158680C 变压器/电抗器 Transformer / reactor
07/15/2004US20040137247 Magnetic core and magnetic core-use adhesive resin composition
07/15/2004US20040135660 Low profile high current multiple gap inductor assembly
07/15/2004DE10260246A1 Spulenanordnung mit veränderbarer Induktivität Coil arrangement with variable inductance
07/15/2004DE10257380A1 Verfahren zur Einstellung von Abständen in magnetischen Kreisen Method for setting intervals in magnetic circuits
07/14/2004EP1437748A2 Inverter transformer to light multiple lamps
07/13/2004US6762666 Toroidal core for a toroid
07/08/2004US20040130426 Inverter transformer to light multiple lamps
07/08/2004DE10211511B4 Verfahren zum Fügen von planaren übereinander angeordneten Laminaten zu Laminatpaketen oder Laminatbauteilen durch Laserstrahlschweißen The method for joining planar stacked laminates to laminate packages or laminate components by laser welding
07/07/2004EP1261844B1 System for generating electric energy from a magnetic field
07/07/2004CN1156320C Magnetic field applicator for heating magnetic or magnetizable substance or solids in bioloigcal tissue
07/01/2004WO2004042746A3 Bulk laminated amorphous metal inductive device
07/01/2004US20040127623 thermally stable polyimide resin and can contain a ferrite powder in such a high density as to form a satisfactory closed magnetic circuit structure
07/01/2004DE10260668A1 Armature for electromagnetic actuator e.g. for internal combustion engine gas exchange valve, has armature plate made of plastics matrix filled with ferromagnetic particles
07/01/2004DE10259117A1 Inductive component to be magnetically compensated in ferromagnetic circuit has coil and magnetic circuit made from ferromagnetic material
06/2004
06/30/2004CN1508591A Magnetic actuator
06/24/2004US20040119577 Coil arrangement with variable inductance
06/24/2004US20040119576 Noncontact coupler
06/24/2004US20040119569 Magnetic actuator
06/24/2004US20040118952 Fuel injector having segmented metal core
06/24/2004DE202004006131U1 Silicon steel plate module e.g. for choke systems, has core modules comprising winding zone and magnetic flux region
06/23/2004EP1431986A1 Coil assembly with variable inductance
06/23/2004EP1431985A2 Magnetic actuator
06/23/2004CN1507637A Magentic core and magnetic core-use adhesive resin composition
06/23/2004CN1506983A Composite magnetic material, magnetic core and magnetic element using the same composite magnetic element
06/22/2004US6753752 Silicon steel core spacing structure for improving induction
06/22/2004US6753751 Magnetic core including magnet for magnetic bias and inductor component using the same
06/17/2004US20040113744 Complex magnetic material, and core and magnetic element using the complex magnetic material
06/17/2004US20040113743 Magnetic core for xDSL modem transformer and its composition
06/17/2004US20040113742 Ferrite core, CATV equipment and bi-directional CATV system
06/17/2004US20040111871 Method for adjusting spacings in magnetic circuits
06/17/2004DE10255376A1 Inductive structural element, useful for the transfer of energy or data from primary to secondary circuit, comprising air gaps and a frame type core
06/16/2004EP1429350A2 Method for adjusting distances in magnetic circuits
06/10/2004US20040108932 Step-up transformer for magnetron driving
06/10/2004US20040108928 Choke
06/02/2004CN1500441A Static magnetic field generating apparatus and magnetic resonance imaging apparatus
06/01/2004US6744342 High performance bulk metal magnetic component
05/2004
05/27/2004WO2004043633A1 Fe-Si ALLOY POWDER CORES AND FABRICATION PROCESS THEREOF
05/25/2004US6741155 Transformer
05/21/2004WO2004042746A2 Bulk laminated amorphous metal inductive device
05/20/2004US20040095221 Inductor assembly
05/20/2004US20040095141 Static magnetic field generating apparatus and magnetic resonance imaging apparatus
05/19/2004EP1420419A1 Inductor assembly
05/19/2004EP1420147A1 Workpiece comprising interconnected lamination stacks
05/19/2004EP1419510A1 Magnetically hard object and method for adjusting the direction and position of a magnetic vector
05/13/2004WO2004040598A1 Coupling device
05/13/2004WO2004040597A1 Inductance part and electronic device using the same
05/13/2004US20040090300 Ferrite cores with a new shape
05/13/2004CA2504176A1 Coupling device
05/12/2004CN1495813A Step-up transformer for driving magnetron
05/11/2004US6734773 Transformer with integrated inductor
05/11/2004US6732998 Method of forming laminated core and electromagnetic type valve driving device
05/06/2004US20040085174 Bulk laminated amorphous metal inductive device
05/06/2004US20040084987 Rotating electric machines with magnetic circuit for high voltage and method for manufacturing the same
05/06/2004US20040083600 Shapeable lamination stack and method of manufacture
05/06/2004US20040083599 Method of manufacturing a stacked core for a magnetic induction device
05/06/2004EP0888628B1 Transformer/reactor
04/2004
04/29/2004WO2004036605A1 Single-phase transformer
04/29/2004WO2003077603A3 Magnetron drive boosting transformer
04/29/2004US20040080978 Planar inductive element
04/29/2004US20040078960 Multilayer composite of hysteresis and dielectric layers; stability; concurrent firing
04/28/2004EP1414051A1 Method for manufacturing coil device
04/22/2004US20040075968 High frequency laminated device
04/22/2004US20040075517 Rod coil for ignition systems
04/22/2004US20040074564 Inductive component and method for producing same
04/21/2004EP1411255A1 Stator core for a magnetic bearing
04/21/2004CN1490829A Magnetic core and magnetic field shielding component and coil, transformer, electronic apparatus and camera device
04/15/2004DE10034427B4 Verfahren zum Herstellen eines aus einem magnetischen Werkstoff hergestellten Gegenstandes mit vorbestimmten magnetischen Eigenschaften A method of manufacturing an article made of a magnetic material having predetermined magnetic properties
04/08/2004WO2002019350A8 A method of manufacturing an inductor
04/08/2004US20040066267 Toroidal inductive devices and methods of making the same
04/07/2004EP0901711B1 A rotating asynchronous converter
04/07/2004CN1488153A Toroidal inductive devices and methods of making the same
04/07/2004CN1487536A Noncrystalline soft magnetic alloy powder and dust core, electricwale absorber using the same
04/06/2004US6717504 Magnetic core including bias magnet and inductor component using the same
04/01/2004WO2004027795A1 Method for manufacturing bonded magnet and method for manufacturing magnetic device having bonded magnet
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