H01F 30 - Fixed transformers not covered by group

Patents for H01F 30 - Fixed transformers not covered by group (4,595)
11/2009
11/11/2009	CN101578672A Shared reactor transformer
11/11/2009	CN101578671A Coil component
11/05/2009	WO2009133765A2 Silicon-containing particles, method for manufacturing thereof, oil composition, ceramic material, and method for manufacturing thereof
11/05/2009	WO2009133584A1 Optimized transformer, in particular for carrying ou dielectric tests
11/04/2009	CN201340791Y 高频变压器 High-frequency transformer
10/2009
10/29/2009	WO2009131429A1 Modular transformer
10/29/2009	WO2009131059A1 Transformer, power converter using the transformer, lighting device, lamp for vehicle, and vehicle
10/28/2009	CN101567635A Improved radio-frequency power supply for plasma discharge at atmospheric pressure
10/28/2009	CN101567255A Coupling inductor applicable to multi-phase interleaved parallel converter
10/28/2009	CN101567253A Annular compensating voltage regulator connected in series
10/28/2009	CN100555485C Transformer structure
10/28/2009	CN100555484C Transformer and its manufacture method
10/21/2009	CN201332001Y Inductive component, power supply device and panel television
10/20/2009	CA2461326C Systems and methods for driving large capacity ac motors
10/15/2009	WO2009125639A1 Wound magnetic core and process for production thereof
10/15/2009	US20090257560 3d poly-phase transformer
10/14/2009	CN201327772Y Three-phase five-limb amorphous alloy dry-type transformer structure
10/14/2009	CN201327771Y Dual high voltage switching distribution transformer
10/14/2009	CN100550225C High voltage transformer
10/14/2009	CN100550222C Dry testing transformer
10/08/2009	US20090251273 Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components without requiring additional windings
10/07/2009	CN201323128Y 大功率平面变压器 High-power planar transformer
10/07/2009	CN201323127Y Amorphous alloy transformer
10/07/2009	CN201323126Y Series connection casing type furnace transformer with top-bottom structure
10/07/2009	CN101552128A Assembly technology and work fixture for three-phase three-pillar amorphous alloy transformer
10/07/2009	CN101552118A Impedance matching transformer for changing three-phase into four-phase
10/07/2009	CN101552117A 10KV and 20KV step voltage conversion input oil immersion-type distribution transformer
10/07/2009	CN101552116A Magnetic circuit-divided transformer
10/07/2009	CN101552115A Compact multiple transformers
10/07/2009	CN101552103A Transformer structure
10/07/2009	CN100547704C Common mode filter
10/07/2009	CN100547703C Reversed phase converter
09/2009
09/30/2009	EP2105937A1 Transformer apparatus with shielding architecture and shielding method thereof
09/30/2009	CN201319307Y Amorphous iron-core transformer
09/30/2009	CN201319306Y Three-dimensional wound core-enveloped dry-type transformer
09/29/2009	CA2488314C Power source for high current welding
09/23/2009	EP2104118A1 Shared reactor transformer
09/23/2009	CN201315234Y Shell-type furnace transformer with serial left and right structures
09/23/2009	CN100543891C Transformer structure
09/23/2009	CN100543890C Transformer
09/11/2009	WO2009110061A1 Electric transformer
09/09/2009	CN201307505Y Underground transformer
09/09/2009	CN100538924C Inductive component and use of said component
09/03/2009	WO2009107523A1 Transformer
09/02/2009	CN101521467A High-frequency distribution transformer
09/02/2009	CN101521100A Atom-exciting power generation technology
09/02/2009	CN101521099A Electric energy limitless increasing unit
08/2009
08/19/2009	CN100530460C Ignition apparatus for an internal combustion engine
08/19/2009	CN100530455C Electronic transformer/inductor devices and methods for making same
08/13/2009	WO2009098824A1 Transformer and transformer device
08/12/2009	CN201289775Y Special-purpose autotransformer for electrification railway
08/12/2009	CN101507078A Current balancer and low-voltage power distribution system
08/11/2009	US7573363 Communication transformer for power line communication
08/11/2009	US7573000 Power source for plasma device
08/05/2009	CN101499374A Transformer and multi-light tube driving circuit employing the same
07/2009
07/28/2009	US7567162 Apparatus and method for winding an energy transfer element core
07/28/2009	CA2401254C Multi-layer transformer having electrical connection in a magnetic core
07/23/2009	DE102009003891A1 Transformator mit einer primärer Wicklung mit mehreren Segmenten und einer sekundären Wicklung mit mehreren Windungen für ein Leistungsverstärkersystem Transformer having a primary winding with a plurality of segments and a secondary winding having a plurality of turns on a power amplifier system
07/22/2009	EP2081287A1 Multi-parallel magnetic-field cancellation type transformer
07/22/2009	EP2080203A1 Method for powering a magnetic coupler and device for powering an electric dipole
07/22/2009	EP1910124B1 Multilevel converter and method of converting a supply voltage
07/22/2009	EP1636896A4 Three-phase transformer
07/22/2009	CN201278310Y Balance traction transformer with unequal capacitance
07/22/2009	CN201278309Y 脉冲变压器 Pulse transformer
07/16/2009	WO2009045847A3 Multiphase inductive power supply system
07/15/2009	EP1751779A4 Magnetic core for stationary electromagnetic devices
07/15/2009	CN201274231Y Electricity economizer for three phase balance system
07/09/2009	WO2009083923A1 Power transfer device
07/08/2009	CN101479817A Configurable multiphase coupled magnetic structure
07/02/2009	WO2009081984A1 Stacked inductor and power converter using the stacked inductor
07/02/2009	US20090167284 Multi-magnetic device
07/02/2009	DE112007001155T5 Spule und Verfahren zum Bilden einer Spule Coil and method of forming a coil
07/01/2009	CN100507757C Fuser-controlling apparatus for generating a power synchronization signal and detecting power voltage
06/2009
06/30/2009	US7554431 Multiphase induction device
06/18/2009	DE102007060556A1 Transmission unit for transmitting of electrical energy and/or information for e.g. field device, has electrical conductors wounded on surface of base body so that winding areas of conductors are held at different winding areas of body
06/17/2009	CN201259829Y Transformer
06/17/2009	CN201259828Y Combined transformer
06/17/2009	CN100502612C Electronic transformer for low-pressure lamp
06/16/2009	US7548137 Generalized cancellation of inductor winding capacitance
06/11/2009	WO2009072584A1 Transformer
06/10/2009	CN201256072Y Single tube switch power supply for self-coupling switch transformer
06/10/2009	CN100498992C Single phase AC step transformer
06/10/2009	CN100498991C Structure of amorphous alloy iron core dry distribution transformer body
06/04/2009	US20090140829 Filtering choke arrangement
06/03/2009	CN101447324A Transformer structure
06/03/2009	CN101447323A Combined converter structure
06/03/2009	CN101447322A Converter structure of combined bobbin bracket
06/03/2009	CN100495599C Transformer
05/2009
05/28/2009	WO2009066433A1 Coil component
05/28/2009	US20090134862 Transformer Operation Control Apparatus and Method for Suppressing Magnetizing Inrush Current
05/27/2009	CN101443860A Coil and coil shaping method
05/27/2009	CN101442268A Low loss power supply
05/27/2009	CN100492557C Transformer of converter
05/27/2009	CN100492556C High-voltage transformer
05/22/2009	WO2009063975A1 Air core coil of power transfer device, coil of power transfer device, power transfer device, transmission device of power transfer device, and semiconductor integrated circuit used in power transfer device
05/22/2009	WO2009063746A1 Power acquiring apparatus
05/20/2009	CN201243205Y Harmonic shutter for capacitance compensation loop
05/20/2009	CN201242933Y Universal transformer for track circuit
05/20/2009	CN101436461A Structure of amorphous alloy oil immersion type distribution transformer and manufacturing method thereof
05/20/2009	CN101436460A Structure of amorphous alloy dry-type distribution transformer and manufacturing method thereof

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