| Patents for H01F 27 - Details of transformers or inductances, in general (43,362) |
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| 02/25/2009 | CN101373914A Method for rapidly drying wetting electric winding |
| 02/25/2009 | CN101373898A Pure nasty zero sequence filter |
| 02/25/2009 | CN101373662A Transformer with zero sequence filtering function |
| 02/25/2009 | CN101373661A High temperature superconduction flux pump |
| 02/25/2009 | CN101373660A Electric energy coupler |
| 02/25/2009 | CN101373659A Coil-out apparatus of reactor coil and iron core reactor containing the same |
| 02/25/2009 | CN101373658A Conductive winding structure and transformer device using the same |
| 02/25/2009 | CN101373657A Reactor |
| 02/25/2009 | CN101373656A Double-body structure of reactor |
| 02/25/2009 | CN101373655A Iron core reactor |
| 02/25/2009 | CN100464381C Current transformer |
| 02/24/2009 | US7495539 Filament transformer for X-ray tubes |
| 02/24/2009 | US7495538 Inductor using drum core and method for producing the same |
| 02/24/2009 | US7495442 Method for cooling coils and shim iron |
| 02/19/2009 | US20090045905 Planar magnetic device and power supply ic package using same |
| 02/19/2009 | US20090045902 Wire-wound type coil and winding method therefor |
| 02/19/2009 | US20090045901 Conductive winding module and transformer having such conductive winding module |
| 02/19/2009 | US20090045900 Conductive winding module and transformer having such conductive winding module |
| 02/19/2009 | US20090045898 Inductor mounting, temperature control, and filtering method and apparatus |
| 02/19/2009 | US20090045897 Transformer and transformer assembly |
| 02/18/2009 | EP2026362A1 Shielded-type inductor |
| 02/18/2009 | EP2025705A1 Biaxially oriented polyarylene sulfide film |
| 02/18/2009 | EP2024979A1 Device for absorption of noise |
| 02/18/2009 | CN201196906Y Transformer |
| 02/18/2009 | CN201196905Y Electric power transformer |
| 02/18/2009 | CN201196904Y Transformer |
| 02/18/2009 | CN201196903Y Dry-type transformer coil |
| 02/18/2009 | CN201196902Y Sulfur hexafluoride gas insulating transformer |
| 02/18/2009 | CN201196901Y Winding structure for transformer |
| 02/18/2009 | CN201196900Y Oil-immersed power transformer |
| 02/18/2009 | CN201196899Y C-level stereo rolled core dry-type transformer |
| 02/18/2009 | CN201196898Y Stereo rolled core dry-type transformer clamping piece |
| 02/18/2009 | CN201196897Y Improved transformer |
| 02/18/2009 | CN201196896Y Vacuum hot oil spraying and drying system of ultra-large transformer |
| 02/18/2009 | CN201196895Y Rainproof umbrella for dry type sound insulation reactor |
| 02/18/2009 | CN101371320A Metal terminal, coil component and method for holding and fixing |
| 02/18/2009 | CN101369483A Heat pipe type transformer tube |
| 02/18/2009 | CN101369482A Water-cooled transformer and its welding method for line pipe and connection copper bar |
| 02/18/2009 | CN101369481A Application of TIII sheet paper in oil-immersed type transformer as low-dielectric constant insulation material |
| 02/18/2009 | CN101369480A Magnetic integration apparatus for EMI wave filter and preparation method thereof |
| 02/17/2009 | US7492246 Winding structure of transformer |
| 02/17/2009 | US7492245 Broadband over power lines (BPL) coupling system |
| 02/17/2009 | US7492145 Electric current sensor with a bracket attached to the core on either side of the air-gap and outside of the air gap |
| 02/12/2009 | WO2009020989A1 Reinforced polyester compositions for high dielectric performance |
| 02/12/2009 | WO2009019733A1 Improved drier for dehumidifying the air intended for oil expansion tank used in electrical equipments |
| 02/12/2009 | WO2009018850A1 Method for determining the magnetic leakage flux coupling of a transformer |
| 02/12/2009 | US20090040003 Solution Of Power Consumption Reduction For Inverter Covered By Metal Case |
| 02/12/2009 | US20090040002 Iron Core, Mold and Method of Forming and Laminating the Same |
| 02/12/2009 | US20090040001 Power converter |
| 02/12/2009 | US20090039998 Transformer structure |
| 02/12/2009 | US20090039997 Metal Terminal, Coil Component, and Method for Holding and Fixing Conductive Wire |
| 02/12/2009 | US20090039996 Coil bus transformer and a method of manufacturing the same |
| 02/12/2009 | US20090039991 Electromagnet |
| 02/12/2009 | DE102008040146A1 Zündspule Ignition coil |
| 02/12/2009 | CA2695200A1 Improved drier for dehumidifying the air intended for oil expansion tanks used in electrical equipments |
| 02/11/2009 | EP2023355A1 Layered type balloon transformer |
| 02/11/2009 | EP2022065A1 System for preventing rupture of transformer tank |
| 02/11/2009 | EP1360708A4 Toroidal inductive devices and methods of making the same |
| 02/11/2009 | CN201194371Y High-resistance medium-frequency three-phase rectifier transformer |
| 02/11/2009 | CN201194192Y Anti-theft alarm device for electric transformer |
| 02/11/2009 | CN201194191Y Ventilation refrigerating apparatus for enclosed mounting space of current converting transformer |
| 02/11/2009 | CN101364732A Large power modularized DC power supply apparatus and control method thereof |
| 02/11/2009 | CN101364471A Working transformer of hand-hold medium high frequency induction heating equipment and manufacturing method |
| 02/11/2009 | CN101364470A Transformer |
| 02/11/2009 | CN101364469A Dry transformer for ozone generator |
| 02/11/2009 | CN101364468A Common mode choke coil |
| 02/11/2009 | CN100461311C Piston opener in use for installation in transformer for guarding against theft |
| 02/10/2009 | US7489485 Method and equipment for the protection of power systems against geomagnetically induced currents |
| 02/10/2009 | US7489226 Fabrication method and structure for embedded core transformers |
| 02/10/2009 | US7489225 Precision inductive devices and methods |
| 02/10/2009 | US7489224 Ferrite core, and flexible assembly of ferrite cores for suppressing electromagnetic interference |
| 02/10/2009 | US7489219 Power inductor with reduced DC current saturation |
| 02/10/2009 | US7489218 Inductor structure |
| 02/10/2009 | US7487767 Ignition coil for use in engine and engine having plastic cylinder head cover |
| 02/05/2009 | WO2009017275A1 Self-examination type cast resin transformer |
| 02/05/2009 | WO2009015955A1 Current-compensated choke and circuit arrangement having a current-compensated choke |
| 02/05/2009 | WO2008152467A3 Reactor |
| 02/05/2009 | WO2008027166A3 Transformers with improved voltage-step-down ratios and dc-to-dc power converters employing same |
| 02/05/2009 | US20090033452 Ignition coil |
| 02/05/2009 | US20090033451 Ignition coil |
| 02/05/2009 | US20090033242 Coil component and display device using same |
| 02/05/2009 | DE102007036052A1 Stromkompensierte Drossel und Schaltungsanordnung mit einer stromkompensierten Drossel Common Mode Choke and circuitry with a current compensated choke |
| 02/04/2009 | EP1530223B1 High thermal conductivity insulating member and its manufacturing method, electromagnetic coil, and electromagnetic device |
| 02/04/2009 | CN201191560Y 变压器 Transformer |
| 02/04/2009 | CN201191559Y Intra-winding refrigerant cooling device transformer or reactor |
| 02/04/2009 | CN201191558Y D type iron core fastening apparatus |
| 02/04/2009 | CN201191557Y Amorphous double iron core disposed with single coil structure |
| 02/04/2009 | CN201191556Y Isolation transformator suitable for high-voltage solid soft starter |
| 02/04/2009 | CN201191555Y Cooling device for high and low heat radiator |
| 02/04/2009 | CN201191554Y Anti-dirt support seat construction for transformer |
| 02/04/2009 | CN201191552Y DC reactor |
| 02/04/2009 | CN201190834Y Valve of transformer for preventing oil from being stolen |
| 02/04/2009 | CN201189539Y Oil conserver ripple liner forming machines |
| 02/04/2009 | CN101359880A Power converter |
| 02/04/2009 | CN101359531A Transformer and lamp tube driving circuit using the transformer |
| 02/04/2009 | CN100458988C Choke coil and its embedded iron core |
| 01/29/2009 | WO2009012938A1 Magnet core, method for its production and residual current device |
| 01/29/2009 | WO2008095721A3 Method and apparatus for detecting faults in electrical apparatus |
| 01/29/2009 | US20090027152 Inductance comprising turns on several metallizaton levels |
| 01/29/2009 | US20090027151 Reactor Part |