Patents for H01F 27 - Details of transformers or inductances, in general (43,362)
03/2007
03/28/2007CN1307661C Component core with coil terminations
03/28/2007CN1307658C Coil electric conductor, laminated coil conductor, production method of the same and electronic component using the same
03/27/2007US7196609 Transformer winding structure
03/27/2007US7196608 Wire-wound type chip coil and method of adjusting a characteristic thereof
03/27/2007US7196607 Embedded toroidal transformers in ceramic substrates
03/27/2007US7196606 Ignition coil apparatus for an internal combustion engine
03/27/2007US7196605 Inductance element and case
03/22/2007WO2007031518A1 Rod ignition transformer for supplying an ignition element, especially a spark plug of an internal combustion engine, with high voltage
03/22/2007US20070064406 Inductive power transfer units having flux shields
03/22/2007US20070063807 Magnetic components
03/22/2007US20070063804 Chip inductor
03/22/2007US20070063803 Coil device
03/21/2007EP1764807A1 Liquid immersed electrical transformer
03/21/2007EP1687645B1 A detector circuit to be used for measuring current
03/21/2007EP0923784B8 Air-core primary voltage winding
03/21/2007CN2881912Y Energy-saving pouring transformer
03/21/2007CN2881909Y Automatic separation device for alternate oil channel of oil-immersed split-phase combined transformer
03/21/2007CN2881908Y Premounted underground box type transformer pot structure
03/21/2007CN2881656Y Media advertisment light box type high voltage metering cabinet
03/21/2007CN1933063A Method for producing flat-plate transformer
03/21/2007CN1933060A Electromagnetic voltage mutual inductor used for super high voltage and extra-high voltage
03/21/2007CN1933058A Method for producing tri-splitting drive rectifier transformer
03/21/2007CN1933057A Transformer structure
03/21/2007CN1933056A Controlled reactor with compensation winding
03/21/2007CN1933054A External electric supply controllable reactor
03/21/2007CN1933053A Self-feeding controllable transductor
03/21/2007CN1933052A Small non-pin transformer structure
03/21/2007CN1933051A 电感器 Inductor
03/21/2007CN1933050A One-change double-purpose railway traction transformer wiring mode
03/21/2007CN1933049A Flat plate transformer
03/21/2007CN1933048A Oil-immersed type electric transformer radiator
03/21/2007CN1933047A Oil cooling device for transformer
03/21/2007CN1933046A Large transformer radiator fin cooling mode
03/21/2007CN1933045A Buried combined transformer radiating system
03/21/2007CN1933034A Insulating coated wire and its producing method, insulating coated wire product and its producing method
03/21/2007CN1306530C Noise filter, outdoor unit, and air conditioner
03/20/2007US7193497 Ignition coil
03/20/2007US7193496 Magnetic element and power supply
03/20/2007US7193495 Magnetically influenced current or voltage regulator and a magnetically influenced converter
03/20/2007CA2367879C Transformer stud connector
03/15/2007WO2007029724A1 Base agent for electrical insulating oil
03/15/2007WO2007029651A1 Inverter transformer
03/15/2007WO2007029594A1 Coil device, composite coil device and transformer device
03/15/2007US20070058704 Dsl modem and transformer
03/15/2007US20070057758 Inductor
03/15/2007US20070057757 Transformers and winding units thereof
03/15/2007US20070057756 Structure of inductance core
03/15/2007US20070057755 Solid electrolytic capacitor and manufacturing method thereof
03/15/2007US20070057749 Filter element
03/14/2007EP1763044A1 Inductor
03/14/2007CN2879457Y Transformer table earthing cleat
03/14/2007CN2879371Y Start using voltage-reducing autotransformer
03/14/2007CN2879370Y Microwave stove transformer
03/14/2007CN2879369Y Water cooling structure for high-voltage transformer
03/14/2007CN2879368Y Transformer radiating by detached heat pipe
03/14/2007CN2879367Y Secondary wire electricity anti-theft cover for claw transformer
03/14/2007CN1930645A An automated manufacturing machine
03/14/2007CN1930644A 变压器 Transformer
03/14/2007CN1929053A Classified insulating extra-high voltage auto-transformer
03/14/2007CN1929051A 35KV semi-insulated voltage transformer with low local discharging
03/14/2007CN1929050A Electronic component and method of manufacturing the same
03/14/2007CN1928763A Monitoring device for main transfer wind cooling system and its working method
03/14/2007CN1928665A Backlight device and liquid crystal display device incorporating the same
03/14/2007CN1305084C Switch voltage transformer
03/14/2007CN1305083C Inductor fixing mould on substrate
03/13/2007US7190249 Ignition coil
03/13/2007CA2316948C Electrical power devices cooling technique
03/08/2007WO2007027250A1 Inductive coupler for power line communications, having a member for maintaining an electrical connection
03/08/2007WO2007025725A1 Transformer
03/08/2007US20070052514 Power and information signal transfer using micro-transformers
03/08/2007US20070052513 Structure of transformer
03/08/2007US20070052510 Inductance device and manufacturing method thereof
03/08/2007CA2601782A1 Inductive coupler for power line communications, having a member for maintaining an electrical connection
03/07/2007EP1760732A1 QQ-type power factor corrector
03/07/2007EP1759455A2 Distributed active transformer power control techniques
03/07/2007EP1068642B1 An inductance device
03/07/2007EP0901700B1 Rotating electric machines with magnetic circuit for high voltage and method for manufacturing the same
03/07/2007CN2877007Y Resonance-proof voltage transformer
03/07/2007CN2877005Y Filler strip cake type coil
03/07/2007CN2877004Y Low voltage sleeve connecting structure of high capacity three-phase combined transformer
03/07/2007CN2877003Y Three-phase four frame five column iron core
03/07/2007CN2877002Y Anti-theft device for rack transformer
03/07/2007CN2877001Y Antitheft bolt for transformer
03/07/2007CN1926646A Magnetic part
03/07/2007CN1926441A Method for cooling coils and shim iron
03/07/2007CN1303690C 半导体器件 Semiconductor devices
03/07/2007CN1303624C Evaporation and cooling power transformer for electric engine
03/06/2007US7187564 Switching power supply unit
03/06/2007US7187263 Printed circuit transformer
03/06/2007US7187262 Plastic sealing of solenoid bobbins
03/06/2007US7187074 Semiconductor and electronic device with spring terminal
03/01/2007WO2007024322A2 Toroidal fluid conductivity sensor system and method
03/01/2007US20070046416 Core assembly, in particular for an ignition coil of an internal combustion engine
03/01/2007US20070046415 Electromagnetic apparatus and method for making a multi-phase high frequency electromagnetic apparatus
03/01/2007US20070046414 Inverse phase converter
03/01/2007US20070046413 Coil device
03/01/2007US20070046412 Voltage-controlled semiconductor inductor inductor and method
03/01/2007US20070046411 Transformer having reduced size, safety insulation and low leakage inductance
03/01/2007US20070046410 Printed circuit board transformer
03/01/2007US20070045773 Integrated electronic device and method of making the same