| Patents for H01F 27 - Details of transformers or inductances, in general (43,362) |
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| 02/05/2003 | EP1281183A1 Installation for utilizing surplus heat from a power transformer |
| 02/05/2003 | CN2534662Y 组合式变压器 Combined transformers |
| 02/05/2003 | CN2534661Y Double-power source supply combined transformer |
| 02/05/2003 | CN2534659Y Transition wiring terminal for transformer |
| 02/05/2003 | CN2534658Y Cooler system of electric transformer |
| 02/04/2003 | US6515568 Multilayer component having inductive impedance |
| 02/04/2003 | US6515567 Bobbin for a transformer |
| 02/04/2003 | US6515566 Electronic component having wire |
| 02/04/2003 | US6515230 Noise absorber and case for noise absorber |
| 02/04/2003 | US6513230 Coil apparatus and manufacturing method for the same |
| 01/30/2003 | US20030020588 Core |
| 01/30/2003 | US20030020586 Magnetic core, magnetic field shield member, and electrophotographic apparatus using them |
| 01/30/2003 | US20030020584 Electroconductive ink printed circuit element |
| 01/30/2003 | US20030020583 Planar printed-circuit-board transformers with effective electromagnetic interference (emi) shielding |
| 01/30/2003 | US20030020582 Flyback transformer |
| 01/30/2003 | US20030020581 Transformer container |
| 01/30/2003 | US20030020580 Magnetic core for inductor |
| 01/30/2003 | US20030020579 3-Limb amorphous metal cores for three-phase transformers |
| 01/30/2003 | US20030019916 Method for joining coil wire having heat resistant coating to coil terminal |
| 01/30/2003 | DE10120236C1 Elektrische Wicklungsanordnung Electrical winding arrangement |
| 01/29/2003 | EP1279651A2 Magnetic core for transformer, Mn-Zn based ferrite composition and methods of producing the same |
| 01/29/2003 | EP1279178A1 Miniaturized ac/dc power supply and battery charger |
| 01/29/2003 | EP1279177A1 A wound transformer core and a method and apparatus for manufacturing thereof |
| 01/29/2003 | CN2533557Y Combined voltage transformer |
| 01/29/2003 | CN1393892A Multi-layer inductor |
| 01/29/2003 | CN1100377C Synchronous compensator plant |
| 01/29/2003 | CN1100329C Multilayer electronic part and method for producing same |
| 01/28/2003 | US6512425 Electric noise absorber |
| 01/23/2003 | WO2003007318A2 Swinging choke |
| 01/23/2003 | US20030016114 Method for making inductor coil structure |
| 01/23/2003 | US20030016113 Inductive component made with rectangular development planar windings |
| 01/23/2003 | US20030016112 Inductive component made with circular development planar windings |
| 01/23/2003 | US20030016110 Leakage flux protection for transformer clamping bar |
| 01/23/2003 | US20030016107 Circulating system for a voice coil conductor |
| 01/23/2003 | US20030016098 Laminated LC filter |
| 01/22/2003 | EP1277217A2 Transformer core |
| 01/22/2003 | EP1277216A2 Bulk stamped amorphous metal magnetic component |
| 01/22/2003 | CN2532567Y Integrated self-support ballast for circular shape lamp tube |
| 01/22/2003 | CN2532566Y Explosion-proof fire-extinguishing device for oil-immersed transformer |
| 01/22/2003 | CN1393020A Electromagnetic device and high-voltage geratating device and method of producing electromagnetic device |
| 01/22/2003 | CN1392756A Flexible conductive foil with electronic circuit |
| 01/22/2003 | CN1392646A Safety groove for keeping dielectric fluid in medium voltage distribution and variable transformer station, and transformer station including said groove |
| 01/22/2003 | CN1392577A Self protective distribution transformer when secondary coil short circuit, break tripping |
| 01/21/2003 | US6509822 Structure of transformer bobbin assembly having multiple step pin rows |
| 01/21/2003 | US6509821 Lumped element microwave inductor with windings around tapered poly-iron core |
| 01/21/2003 | US6509819 Rotor assembly including superconducting magnetic coil |
| 01/21/2003 | US6508239 Ignition coil device for engine |
| 01/20/2003 | CA2353330A1 Liquid-proof enclosure of electrical device |
| 01/16/2003 | WO2003005384A1 Method for manufacturing coil device |
| 01/16/2003 | WO2003005382A1 Transformer |
| 01/16/2003 | WO2003005381A1 Conductive structure with improved alternating current characteristics |
| 01/16/2003 | US20030011458 Planar inductors and method of manufacturing thereof |
| 01/16/2003 | US20030011457 Electromagnetic clutch coil assembly and manufacturing method thereof |
| 01/16/2003 | US20030011362 Current transformer |
| 01/16/2003 | US20030011041 Integrated toroidal coil inductors for IC devices |
| 01/16/2003 | US20030009880 Electronic packaging device with insertable leads and method of manufacturing |
| 01/15/2003 | EP1276152A2 Passive devices and modules for transceiver and manufacturing method thereof |
| 01/15/2003 | EP1276121A2 Current transformer |
| 01/15/2003 | EP1275467A1 Unleaded solder alloy and electronic components using it |
| 01/15/2003 | EP1275123A2 Leakage flux protection for transformer clamping bar |
| 01/15/2003 | CN1391698A Split inductor with fractional turn of each winding and PCB including same |
| 01/15/2003 | CN1391334A Differential mode and common mode integrated filter |
| 01/15/2003 | CN1391240A Three phase-to-single phase balanced YnD transformer |
| 01/15/2003 | CN1099123C Single-unit bobbin for flyback transformer |
| 01/15/2003 | CN1099122C Single body bobbin structure for flyback transformer |
| 01/14/2003 | US6507263 Multi-terminal foil windings |
| 01/14/2003 | US6507262 Magnetic core that is suitable for use in a current transformer, method for the production of a magnetic core and current transformer with a magnetic core |
| 01/14/2003 | US6507261 Coil bobbin for current transformer |
| 01/14/2003 | US6507260 Electrical transformer for use with twisted pair |
| 01/14/2003 | US6507131 High-voltage transformer |
| 01/09/2003 | WO2003003391A1 E-i or e-e transformer |
| 01/09/2003 | WO2003003390A1 Multiple-interleaved integrated circuit transformer |
| 01/09/2003 | US20030008419 Induction magnet for use in producing high-density plasma and method of manufacturing the same, and semiconductor manufacturing equipment comprising the induction magnet |
| 01/09/2003 | US20030006874 Winding structure of inductor used in power factor correction circuit |
| 01/09/2003 | US20030006872 Coil spool for ventilated solenoid valve |
| 01/09/2003 | US20030006748 Systems and methods for providing voltage regulation externally to a power transformer |
| 01/09/2003 | US20030005571 Method for fabricating electrical core sheet assemblies |
| 01/09/2003 | US20030005570 Method of fabricating an electrical core sheet assembly of circular cross section |
| 01/08/2003 | EP1274103A1 Shielding to reduce the leakage flux or the stray field produced by an object |
| 01/08/2003 | CN2530332Y Dry transformer |
| 01/08/2003 | CN2530331Y Many-sided curved composite section triangle iron core |
| 01/08/2003 | CN1390356A Apparatus and method for cooling power transformers |
| 01/08/2003 | CN1389881A Metal wire material |
| 01/08/2003 | CN1389880A Coil-shape wave-filter and its mfg. method thereof |
| 01/08/2003 | CN1098618C Electronic device having electric wires and method of producing same |
| 01/07/2003 | US6504737 Soft-magnetic alloy; higher frequency, reduced size, high efficiency and reliability |
| 01/07/2003 | US6504466 Lamination-type coil component and method of producing the same |
| 01/07/2003 | US6504465 Electromagnetic coil assembly for electromagnetic apparatus |
| 01/07/2003 | US6504464 Choke coil |
| 01/07/2003 | US6504463 Coil and surface-mounting-type coil component |
| 01/07/2003 | US6503645 Barium, zirconium, zinc, tantalum oxide ceramic and a glass component comprising silicon oxide and boron oxide and at least one of an alkaline earth metal oxide and zinc oxide |
| 01/03/2003 | WO2003001665A1 Noise filter |
| 01/03/2003 | WO2002050850A3 Integrated switch with rf transformer control |
| 01/02/2003 | US20030001718 Composite magnetic body, and magnetic element and method of manufacturing the same |
| 01/02/2003 | US20030001714 Laminated transformer system and method |
| 01/02/2003 | US20030001711 Multilayer inductor |
| 01/02/2003 | US20030001709 Multiple-interleaved integrated circuit transformer |
| 01/02/2003 | EP1271576A1 Transformer E-I or E-E |
| 01/02/2003 | EP1271575A1 Rectangular-development planar windings and inductive component made with one or more of said windings |
| 01/02/2003 | EP1271574A1 Circular-development planar windings and inductive component made with one or more of said windings |