Patents for H01F 27 - Details of transformers or inductances, in general (43,362)
05/2007
05/30/2007CN2906858Y Shielding cover for excitation-less tap switch
05/30/2007CN2906857Y HV partition structure of transformer
05/30/2007CN2906856Y Thin resin insulated dry-type transformer
05/30/2007CN2906855Y Non-circular winding composite structure for transformer
05/30/2007CN2906854Y Thin heavy current SMD inductor structure
05/30/2007CN1973343A 变压器线圈组件 Transformer coil assembly
05/30/2007CN1972547A Discharge lamp lighting apparatus
05/30/2007CN1972013A Shielded coil for inductive wireless applications
05/30/2007CN1971781A Preparing method of block amorphous ring type magnetic core
05/30/2007CN1971777A 线圈部件 Coil assembly
05/30/2007CN1319082C Panel mounting type choke coil
05/29/2007US7225018 Flyback transformer wire attach method to printed circuit board
05/29/2007US7224253 Assembling structure of field coil
05/29/2007US7222518 Transformer monitoring system
05/24/2007WO2007057917A1 Transformer conservator isolation valve (tciv)
05/24/2007WO2007057916A2 Method and device for prevention and protection of electrical transformer against explosion and fire
05/24/2007WO2007019280A3 Interleaved three-dimensional on-chip differential inductors and transformers
05/24/2007WO2007008367A3 Misregistration-tolerant overlay inductors
05/24/2007US20070115702 Device having inductors and capacitors
05/24/2007US20070115088 Discharge lamp lighting apparatus
05/24/2007US20070115087 Inductor and fabricating method thereof
05/24/2007US20070115085 Direct current link inductor for power source filtration
05/24/2007US20070115084 Planar inductor using liquid metal MEMS technology
05/23/2007EP1788593A2 Planar inductor using liquid metal mems technology
05/23/2007EP1787499A1 Method and apparatus for providing electric current into an object or medium
05/23/2007EP1787304A1 Compact dry transformer
05/23/2007EP1786874A1 Enamelling varnish composition, such as for a magnet wire
05/23/2007CN2904241Y Portable welder
05/23/2007CN2904239Y Multi-layer winding voltage regulator
05/23/2007CN2904238Y Flat-wise high-frequency high-voltage transformer
05/23/2007CN2904237Y High-voltage multivoltage rectifier
05/23/2007CN2904236Y Thread fastener connected anti-loosing device
05/23/2007CN2904235Y Auto-gain compensation transformer
05/23/2007CN2904234Y Side connected multifunctional power transformer
05/23/2007CN2904233Y Small air immersed transformer for controlling and lighting
05/23/2007CN2904232Y Energy saving horizontal teeming transformer
05/23/2007CN2903486Y Transverse flow type cooling fan for air-immersed tramsformer
05/23/2007CN1967955A Gas insulation switch device and oil immersed transformer connection structure
05/23/2007CN1967747A Wound coil type inductor
05/23/2007CN1967746A Magnetic element
05/23/2007CN1967745A Reactance device
05/23/2007CN1967744A Arc-proof structure of noise filter
05/23/2007CN1967743A Three rolls deviation-correcting device of triangle structure transformer circle section core winding molding
05/23/2007CN1967742A Composite magnetic body , magnetic element ,method of manufacturing a magnetic element comprising a composite magnetic body
05/23/2007CN1317719C Insulating material and machine winding
05/22/2007US7221252 Transformer
05/22/2007US7221249 Inductor coil
05/22/2007US7221248 Solenoid with noise reduction
05/22/2007US7221235 Variable reluctance ferrite core
05/22/2007US7221066 Energy supply unit for transmitting auxiliary energy to an electrical device
05/22/2007US7219416 obtaining a mixture including metallic magnetic powder and uncured thermosetting resin; obtaining a molded body by pressure-molding the mixture to embed a coil; and curing the thermosetting resin by heating the molded body
05/18/2007WO2007055588A1 Leak resistant compensation system
05/18/2007WO2007055303A1 Electronic component and production method thereof
05/18/2007WO2007055078A1 Power inductor
05/17/2007US20070109089 Self-damped inductor
05/17/2007US20070109088 Snap-On Parasitic Power Line Transformer
05/17/2007US20070109086 Method for forming and testing the formation of amorphous metal objects
05/17/2007US20070109085 Twin spark ignition coil with provisions to balance load capacitance
05/16/2007EP1786004A2 Method of manufacturing an electronic component comprising an integrated circuit and a winding assembly
05/16/2007CN2901647Y Temperature lowering and energy saving device for distribution transformer
05/16/2007CN2901526Y Dry end voltage regulation transformer
05/16/2007CN2901523Y Loaded regulating voltage combined transformer
05/16/2007CN2901522Y Star connecting neutral line copper row new structure for three phase transformer
05/16/2007CN2901521Y Transformer connection terminal
05/16/2007CN2901520Y Enamel insulated aluminium wire power reactor
05/16/2007CN2901519Y Series reactor
05/16/2007CN2901518Y U-shape screw for fixing transfomer iron core top and bottom iron yoke
05/16/2007CN2901517Y Iron core structure with X/Y axle
05/16/2007CN2901516Y Structure improved coiled iron core
05/16/2007CN2901515Y Transformer cabinet for novel 10KV/0.4KV complete switch equipment
05/16/2007CN2901514Y High voltage lift seat with insulation tube
05/16/2007CN2901513Y Closed magnetic inductive element of vertical coiling method
05/16/2007CN1965380A 变压器 Transformer
05/16/2007CN1964159A A loosely coupled induction power supply
05/16/2007CN1316529C Device for protection of thermal switch mounted in electromagnetic coil
05/16/2007CN1316522C N-layer magnetic core I-type thin-film transformer array and its preparing method
05/16/2007CN1316521C Anti-DC component current transformer core and mfg. method and use thereof
05/16/2007CN1316520C Pulse transformer for transmitting and receiving signal
05/16/2007CN1316519C Inductance element
05/16/2007CN1316517C Rotor set
05/15/2007US7218199 Structure of transformer
05/15/2007US7218198 Coil form
05/15/2007US7218197 Power inductor with reduced DC current saturation
05/15/2007US7218196 Noncontact coupler
05/10/2007WO2007052528A1 Flat magnetic element and power ic package using the same
05/10/2007WO2007052411A1 Soft magnetic material and dust core produced therefrom
05/10/2007US20070103952 Booster transformer for driving magnetron and transformer unit having the booster tranformer
05/10/2007US20070103267 Power feed system for ring sensor
05/10/2007DE202005020061U1 Flachbandspule Ribbon coil
05/09/2007EP1783796A2 Control sensor for devices filled with dielectric liquid, especially transformers
05/09/2007EP1783789A1 Thin film device and thin film inductor
05/09/2007EP1783788A2 Transformer with current sensing means
05/09/2007EP1782441A1 Planar high voltage transformer device
05/09/2007EP1782440A1 Coil form for forming an inductive element
05/09/2007CN2899061Y Star-double ladder grounded three or four-phase change or three-two phase balancing transformer
05/09/2007CN2899057Y Topological structure of three-loop metal foil windings
05/09/2007CN2899056Y Four-loop metal foil winding topological structure
05/09/2007CN2899055Y Capacity-adjusting transformer
05/09/2007CN2899054Y Pressure-adjusting oil-storage cabinet
05/09/2007CN2899053Y Distributing safety device in countryside