| Patents for H01F 27 - Details of transformers or inductances, in general (43,362) |
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| 01/29/2009 | US20090027150 Inductance with a small surface area and with a midpoint which is simple to determine |
| 01/28/2009 | EP2019397A2 Electric transformer |
| 01/28/2009 | CN201188350Y Jigging platform capable of reducing transformer noload loss |
| 01/28/2009 | CN201188349Y Multidirection locating coil holder |
| 01/28/2009 | CN201188348Y Multi-turn combined coil for flat-plate transformer |
| 01/28/2009 | CN201188347Y High-power flat-plate transformer |
| 01/28/2009 | CN201188346Y Great current high-frequency inductor |
| 01/28/2009 | CN201188345Y Transformer |
| 01/28/2009 | CN201188344Y Dry transformer |
| 01/28/2009 | CN201188343Y Sliding transformer with high performance |
| 01/28/2009 | CN201188342Y Rain-proof and snow-proof safety cover for transformer for preventing electricity from being used in theft |
| 01/28/2009 | CN201188341Y Surface installation type inductor |
| 01/28/2009 | CN101356600A Method of drying an air dehumidifier |
| 01/28/2009 | CN101356593A Soft magnetic material, dust magnetic core, process for producing soft magnetic material and process for producing dust magnetic core |
| 01/28/2009 | CN101355321A Multiple power conversion apparatus and multiple transformer |
| 01/28/2009 | CN101355250A Apparatus for preventing thunderbolt, electronic device and method for preparing plane inductive coil |
| 01/28/2009 | CN101355239A Epoxy pouring dry-type integration transforming plant apparatus |
| 01/28/2009 | CN101355238A Vehicle-mounted mobile substation |
| 01/28/2009 | CN101354957A Large-capacity double-body pressure-regulating phase-shifting transformator |
| 01/28/2009 | CN101354956A Large-capacity double-body phase-shifting transformator |
| 01/28/2009 | CN101354955A Single-phase traction transformer for AT power supply mode high speed electrified railroad |
| 01/28/2009 | CN101354954A Load-ratio voltage transformer with angle-connecting high-voltage coil using reactance type on-load tap-changer |
| 01/28/2009 | CN101354953A Side incoming line small-depth dry-type resin insulating transformer |
| 01/28/2009 | CN101354952A Heat dissipation structure for micro-wave oven high-voltage transformer |
| 01/28/2009 | CN101354951A Magnetic path parallel connection leakage self-shielding type controllable inductor |
| 01/28/2009 | CN101354949A DC inductor |
| 01/28/2009 | CN101352782A Stud welder and stud welder high-frequency transformator |
| 01/27/2009 | US7482906 Bobin assembly for a driving assembly used in a personal care appliance |
| 01/27/2009 | US7482905 Method and apparatus for transferring energy in a power converter circuit |
| 01/27/2009 | US7482904 Device for improving amplitude imbalance of on-chip transformer balun |
| 01/27/2009 | US7482903 Electrical machine with part-winding circuit |
| 01/22/2009 | WO2009011536A2 Method of compensating for errors of measuring current transformer in consideration of hysteresis characteristics of core |
| 01/22/2009 | WO2009011217A1 Surface mounting component |
| 01/22/2009 | WO2009010508A1 Electric coil |
| 01/22/2009 | WO2009010003A1 Power coupler |
| 01/22/2009 | US20090021337 Multilayer composite electronic component |
| 01/22/2009 | US20090021335 Magnetic pole for magnetic levitation vehicles |
| 01/22/2009 | DE102008032375A1 An einem Stufenschalter angebrachte stationäre Induktionsvorrichtung At one stage switch mounted stationary induction apparatus |
| 01/21/2009 | EP2017861A2 Line filter regulator |
| 01/21/2009 | EP2017860A2 Coil unit and electronic instrument |
| 01/21/2009 | CN201185495Y Illuminating apparatus |
| 01/21/2009 | CN201185127Y Transformer |
| 01/21/2009 | CN201185126Y Industrial frequency resonance reactor |
| 01/21/2009 | CN201185125Y Transformer and reel thereof |
| 01/21/2009 | CN201185124Y Multilayer combined flat-plate transformer |
| 01/21/2009 | CN201185123Y 非晶合金变压器 Amorphous alloy transformer |
| 01/21/2009 | CN201185122Y Iron-core-winding electric power transformer |
| 01/21/2009 | CN201185121Y Apparatus for separating and recovering gas and liquid |
| 01/21/2009 | CN201185120Y Oil tank structure for reactor |
| 01/21/2009 | CN201185119Y Radiating fins for transformer heat radiator |
| 01/21/2009 | CN201185118Y Plate radiator for transformer |
| 01/21/2009 | CN201185117Y Plate radiator for transformer |
| 01/21/2009 | CN201185116Y Apparatus for refrigerating multilevel oil |
| 01/21/2009 | CN201185115Y Heat radiator with fan seat |
| 01/21/2009 | CN201185114Y Combined com-mode coil |
| 01/21/2009 | CN201185094Y High temperature resistant, great current resistant enamel wire |
| 01/21/2009 | CN101351854A Surface mounting type power inductor |
| 01/21/2009 | CN101350246A Dry type transformer for hatch winding iron core |
| 01/21/2009 | CN101350245A Oil-immersed type transformer for hatch winding iron core |
| 01/21/2009 | CN101350244A Hatch winding iron core |
| 01/21/2009 | CN100455178C Electromagnetic wave noise suppressor, structural body with electromagnetic wave noise suppressing function, and process for producing them |
| 01/20/2009 | US7479865 Mounting device, support device for a toroidal core choke, and inductive component |
| 01/18/2009 | CA2594905A1 Bi-toroid transformer |
| 01/15/2009 | WO2009008765A1 Short-circuit limiting device |
| 01/15/2009 | WO2009008740A1 A transformer |
| 01/15/2009 | WO2009008253A1 Common-mode choke coil |
| 01/15/2009 | US20090015364 Miniature circuitry and inductive components and methods for manufacturing same |
| 01/15/2009 | US20090015362 Coil unit and electronic instrument |
| 01/14/2009 | EP2015321A1 Magnetic core for current transformer, current transformer, and watt-hour meter |
| 01/14/2009 | EP1576205B1 Plating of multi-layer structures |
| 01/14/2009 | EP1483767B1 Oil filter system |
| 01/14/2009 | EP1444706B1 Inductive component and method for producing same |
| 01/14/2009 | CN201181905Y AC high pressure generator |
| 01/14/2009 | CN201181642Y Transformer structure |
| 01/14/2009 | CN201181641Y Iron-core reactor |
| 01/14/2009 | CN201181637Y Lightning protection distribution transformer |
| 01/14/2009 | CN201181636Y Idle load compensating gear of transformer |
| 01/14/2009 | CN201181635Y High-frequency high-voltage dedusting transformer |
| 01/14/2009 | CN201181634Y Coil-out device of reactor coil and iron-core reactor containing the same |
| 01/14/2009 | CN201181633Y 10KV and 20KV dual-purpose single-phase rolled iron-core transformer |
| 01/14/2009 | CN201181632Y Multi-column parallel connection high-voltage winding outgoing line structure |
| 01/14/2009 | CN201181631Y Elastic support apparatus for amorphous alloy transformer core |
| 01/14/2009 | CN201181630Y Stacking type triangular iron core structure |
| 01/14/2009 | CN201181629Y Fully-sealed oil-storage cabinet |
| 01/14/2009 | CN201181628Y Self-voltage equalizing type resonance vibration reactor |
| 01/14/2009 | CN201181627Y Novel prop-opening apparatus of reactor clamping piece |
| 01/14/2009 | CN201181626Y Novel 500KV casing tube coil outgoing device |
| 01/14/2009 | CN201181625Y Iron core reactor with adjustable reactance rate |
| 01/14/2009 | CN201181624Y Vertical annular electronic coil |
| 01/14/2009 | CN201181623Y Internally imbedded inductor |
| 01/14/2009 | CN201181622Y Wall hanging type reactor |
| 01/14/2009 | CN201181621Y Low-loss iron core reactor |
| 01/14/2009 | CN201179479Y Vertical revolving ring induction type wet strong magnetic separator |
| 01/14/2009 | CN101346782A Winding method and coil unit |
| 01/14/2009 | CN101346781A Transformer core and its manufacturing method |
| 01/14/2009 | CN101346778A High voltage bushing and high voltage device comprising such bushing |
| 01/14/2009 | CN101346456A Improved method for on-line removal of corrosive components of transformer oil |
| 01/14/2009 | CN101345483A Rail traction AC cophase supply apparatus based on three-phase series voltage source type symmetry transformation |
| 01/14/2009 | CN101345127A Capacitive electromagnetic potential transformer used in power system |
| 01/14/2009 | CN101345125A Transformer coil cover for preventing short-circuit of coil |