| Patents for H01F 27 - Details of transformers or inductances, in general (43,362) |
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| 07/30/2008 | EP1949392A2 Method and device for prevention and protection of electrical transformer against explosion and fire |
| 07/30/2008 | EP1500113A4 Enameled wire having magnetic reluctance properties and preparation method thereof, and coil using the same and preparation method thereof |
| 07/30/2008 | EP1157454A4 Power supply with flux-controlled transformer |
| 07/30/2008 | CN101233589A Method for manufacturing transformer, and transformer |
| 07/30/2008 | CN101233588A Tap changer |
| 07/30/2008 | CN101233587A Coil body for an electric coil and method for producing an electronic element provided with said coil body |
| 07/30/2008 | CN101232237A Multiple output power supply |
| 07/30/2008 | CN101231906A Inverter transformer and inverter power module having the same for use in electric/electronic device |
| 07/30/2008 | CN101230304A Environment-friendly type transformer oil and preparation method thereof |
| 07/30/2008 | CN100407573C 电子器件及测试和制造方法 And testing electronic devices and methods of manufacture |
| 07/30/2008 | CN100407496C 天线用片状线圈及片状线圈式天线 Chip antenna coil antenna coil and sheet |
| 07/30/2008 | CN100407345C 一种电力变压器外绝缘结构 A power transformer insulation structure outside |
| 07/30/2008 | CN100407344C 一种电力变压器箔式线圈及其制作方法 A power transformer foil coil and its production method |
| 07/30/2008 | CN100407343C 一种蒸发冷却变压器 An evaporative cooling transformer |
| 07/30/2008 | CN100406296C Traction vehicle with traction transformer |
| 07/29/2008 | US7405951 Switching power supply device |
| 07/29/2008 | US7405644 Core assembly, in particular for an ignition coil of an internal combustion engine |
| 07/29/2008 | CA2459689C Method for magnetic field reduction using the decoupling effects of multiple coil systems |
| 07/24/2008 | WO2008089422A2 Flexible current transformer assembly |
| 07/24/2008 | WO2008087885A1 Reactor core and reactor |
| 07/24/2008 | WO2008087802A1 Method of manufacturing winding body, method of manufacturing antenna coil, winding body, and antenna coil |
| 07/24/2008 | WO2008033249A3 Dry-type transformer with shielded core/coil assembly and method of manufacturing the same |
| 07/24/2008 | WO2008027747A3 Lamp transformer |
| 07/24/2008 | US20080174398 Planar spiral inductor structure having enhanced Q value |
| 07/24/2008 | US20080174396 Transformers and baluns |
| 07/24/2008 | US20080174395 Inductor structure |
| 07/24/2008 | US20080174393 Cooling systems for variable speed drives and inductors |
| 07/24/2008 | DE102007003043A1 Transformationsvorrichtung Transformer |
| 07/23/2008 | EP1946338A1 Oil filled transformer with spacers and spacers for separating and supporting stacked windings |
| 07/23/2008 | EP1946126A2 Current transformer and electric energy meter |
| 07/23/2008 | CN101228599A Edge-wise coil |
| 07/23/2008 | CN101228598A Hybrid coils having an improved heat transfer capability |
| 07/23/2008 | CN101228205A Composition |
| 07/23/2008 | CN101227155A Simple five power level variable frequency speed regulator apparatus |
| 07/23/2008 | CN101227154A Simple seven power level variable frequency speed regulator apparatus |
| 07/23/2008 | CN101227153A Seven power level high voltage frequency converter |
| 07/23/2008 | CN101226821A High voltage transformer |
| 07/23/2008 | CN101226820A Syntype inductance differential-mode capacitance integrated structure implemented by flexible circuit board in EMI filter |
| 07/23/2008 | CN101226819A Method for coiling iron-core transformer winding using cuprum aluminum composite conductor and winding thereof |
| 07/23/2008 | CN101226818A Winding assembly |
| 07/23/2008 | CN101226817A Compact power transformer in v-v for electrical traction |
| 07/23/2008 | CN101226816A Epoxy mould dry type vibration reduction denoise iron core shunt reactor |
| 07/23/2008 | CN101226815A Choke transformer without maintenance |
| 07/23/2008 | CN101226793A Method for manufacturing high-yield strength cuprum flat wire and wire-drawing device |
| 07/23/2008 | CN101226069A Oil flow indicating relay for transformer |
| 07/23/2008 | CN100405684C Arc discharge protector |
| 07/22/2008 | US7403091 Inductance component and manufacturing method thereof |
| 07/22/2008 | US7403081 Broadband hybrid junction and associated methods |
| 07/22/2008 | US7401398 Method of manufacturing a magnetic element for multi-phase |
| 07/17/2008 | WO2008084757A1 Shared reactor transformer |
| 07/17/2008 | WO2008084756A1 Magnetic powder, dust core, motor and reactor |
| 07/17/2008 | WO2008083838A1 Semiconductor module for connecting to a transformer winding, and transformer arrangement |
| 07/17/2008 | WO2008083690A1 Coil body with integrated winding, and inductive component with such a coil body |
| 07/17/2008 | US20080169895 Spiral inductor with multi-trace structure |
| 07/17/2008 | US20080169894 Sensor Coil and Method of Manufacturing Same |
| 07/17/2008 | US20080169893 Low Ac Resistant Foil Winding for Magnetic Coils on Gapped |
| 07/17/2008 | US20080169769 Multi-lamps driving device and transformer thereof |
| 07/17/2008 | US20080169706 Power reception control device, power reception device, and electronic instrument |
| 07/17/2008 | DE102008003952A1 Mikrominiatur-Umrichter Microminiature inverter |
| 07/17/2008 | DE102007055869A1 Isolierelement Insulating |
| 07/16/2008 | EP1944778A2 Non-contact electricity feeding system and running vehicle using this, and method for reducing leakage magnetic field |
| 07/16/2008 | EP1944777A1 Soft magnetic material and dust core produced therefrom |
| 07/16/2008 | EP1833063A9 Magnetic device |
| 07/16/2008 | EP1485927B1 Production of high or medium voltage windings for oil-immersed transformers and the windings thus produced |
| 07/16/2008 | CN201087971Y Magnetic ballast |
| 07/16/2008 | CN101223613A Expansion tank for a stepping switch |
| 07/16/2008 | CN101223612A Expansion tank for a stepping switch |
| 07/16/2008 | CN101222175A Separating power transformer |
| 07/16/2008 | CN101222156A Non-linear dielectrics used as electrical insulation |
| 07/16/2008 | CN101221850A High-frequency transformer winding structure |
| 07/16/2008 | CN101221196A Voltage-current sensor |
| 07/16/2008 | CN100403626C High-voltage plants with electric motors |
| 07/16/2008 | CN100403617C Protection method of multiplexer network interface and communication equipment with multiplexer network interface |
| 07/16/2008 | CN100403491C Semiconductor device manufacturing method |
| 07/16/2008 | CN100403463C Method of increasing electric appliance power factor |
| 07/16/2008 | CN100403462C Low-profile transformer and method of manufacturing the transformer |
| 07/16/2008 | CN100402673C Grain-oriented magnetic steel sheet excellent in magnetic characteristic and its manufacturing method |
| 07/15/2008 | US7400224 Device for electrical isolation, toroidal core choke, and method for producing the toroidal core choke |
| 07/15/2008 | US7398589 Method for manufacturing a transformer winding |
| 07/10/2008 | WO2008080820A1 Power transformer/reactor |
| 07/10/2008 | US20080164968 Insulation Alement And Toroidal Core Throttle |
| 07/10/2008 | US20080164967 Inductance element |
| 07/10/2008 | US20080164966 Electrical Component With A Cooling Circuit For Underwater Operation |
| 07/10/2008 | US20080164844 Noncontact power-transmission coil, portable terminal and terminal charging device, planar coil magnetic layer formation device, and magnetic layer formation method |
| 07/10/2008 | US20080164840 Noncontact power-transmission coil, portable terminal, and terminal charging device |
| 07/10/2008 | US20080164837 Charger circuit and transformer used therein |
| 07/10/2008 | DE19624832B4 Zündspule und Verfahren zur Herstellung derselben Ignition coil and method of manufacturing the same |
| 07/10/2008 | DE102007001234A1 Halbleiterbaugruppe zum Anschluss an eine Transformatorwicklung und Transformatoranordnung Semiconductor assembly for connection to a transformer winding and transformer assembly |
| 07/10/2008 | DE102007001233A1 Windungselement für eine Spulenwicklung und Transformatoranordnung Winding element for a coil winding and transformer assembly |
| 07/09/2008 | EP1941523A1 Mold-free resin-insulated coil windings |
| 07/09/2008 | EP1941522A1 Rotating transformer |
| 07/09/2008 | EP1301932B1 High frequency transformer with integrated rectifiers |
| 07/09/2008 | CN201084537Y A magnetic-flux-leakage transforming inductance ballast applicable to small-tube-diameter and high-tube-pressure fluorescent lamps |
| 07/09/2008 | CN201084536Y A water-cooling three-unit three-phase powerful rectifying transformer for hot-press sintering equipment |
| 07/09/2008 | CN201084535Y A three-phase powerful rectifying transformer for hot-press sintering equipment |
| 07/09/2008 | CN201084534Y Structure improved transformer |
| 07/09/2008 | CN201084533Y High power plane transformer |
| 07/09/2008 | CN201084532Y A current mutual inductor body shielding pre-fastening tooling |
| 07/09/2008 | CN201084531Y An oil-immersed-type transformer or reactor current mutual inductor |
| 07/09/2008 | CN201084530Y A choking-adaptation transformer terminal plate |