Patents for H01F 27 - Details of transformers or inductances, in general (43,362)
06/2005
06/07/2005US6903645 Surface mounting type planar magnetic device and production method thereof
06/07/2005US6903642 Transformers
06/07/2005CA2131568C Tank for an oil-filled, pad-mounted electrical distribution transformer
06/04/2005CA2486220A1 High current long life inductor
06/02/2005WO2005050678A1 Traction transformer
06/02/2005WO2005050341A1 Voltage regulator including controllable transformer
06/02/2005US20050118969 Thin-film common mode filter and thin-film common mode filter array
06/02/2005US20050118874 Filter structure and method of fabrication
06/02/2005US20050116802 Multiple layer inductor and method of making the same
06/02/2005US20050116801 Sensor coil and method of manufacturing same
06/02/2005US20050116793 Thin-film common mode filter and thin-film common mode filter array
06/02/2005US20050116787 Balun
06/02/2005US20050116683 Contact-less power transfer
06/02/2005DE19843465B4 Stromkompensierte Funkentstördrossel Current compensated suppression choke
06/01/2005EP1536558A1 Balun
06/01/2005EP1536436A1 Method of producing planar transformers and planar transformer thus produced
06/01/2005EP1536435A2 Printed circuit transformer
06/01/2005EP1536434A1 Coil part and method of producing the same
06/01/2005EP1536433A1 High frequency thin film electrical circuit element
06/01/2005EP1535386A1 Output choke arrangement for inverter, and method in conjunction therewith
06/01/2005CN2703313Y Stereo-triangular wound core dry type transformer
06/01/2005CN1623212A Former and coil for printed circuit board assembly
06/01/2005CN1622452A Balun
06/01/2005CN1622234A 电抗器装置 Reactor device
06/01/2005CN1622233A Thin-film common mode filter and thin-film common mode filter array
06/01/2005CN1622232A Thin-film common mode filter and thin-film common mode filter array
06/01/2005CN1204575C Flyback transformer
06/01/2005CN1204573C Multi-layer inductor
06/01/2005CN1204572C Printing coil element
05/2005
05/31/2005US6900717 Bobbin for hybrid coils in planar magnetic components
05/31/2005US6900716 Integrated circuit inductors
05/31/2005US6900715 Fastening device
05/31/2005US6900087 Symmetric inducting device for an integrated circuit having a ground shield
05/26/2005WO2005048451A1 Communication transformer
05/26/2005US20050110606 Printed circuit transformer
05/26/2005US20050110603 Magnetic shielding system
05/26/2005US20050109076 Oil filtration system for plural phase power equipment tanks
05/25/2005CN2702423Y Silicon-steel plate welded structure
05/25/2005CN1619725A Semiembedded type non crystalline alloy composition transformer structure
05/25/2005CN1619724A Magnetic device
05/25/2005CN1619723A Surface mounted sensor
05/25/2005CN1619722A Transformer core, transformer, and method of production thereof
05/25/2005CN1202935C Output choking coi lfor use on D.C. welding machine and method for using same
05/24/2005US6897759 High voltage transformer
05/24/2005US6897754 Magnetic core for inductor
05/24/2005US6897753 Housing for a transformer
05/19/2005WO2005045862A1 Gas remover apparatus and method
05/19/2005WO2005045859A1 Coil device
05/19/2005WO2005045858A1 Coil device
05/19/2005US20050104708 Wire for coil
05/19/2005US20050104707 Former and coil for printed circuit board assembly
05/19/2005US20050104706 Coplanar transformer with a capacitor
05/19/2005US20050104703 Transformer core, transformer, and method of production thereof
05/19/2005US20050104702 Inductance element
05/19/2005US20050104698 Electromagnetic device, high-voltage generating device, and method for making the electromagnetic device
05/19/2005US20050104688 Trap circuit arrangement
05/19/2005US20050103195 Automatic dehydrating breather apparatus and method
05/19/2005DE10302063A1 Coil arrangement for a coil winding has coil wire inside a winding arranged so as to be shaped thicker in coil wire diameter to one side of its winding
05/18/2005EP1531483A1 Wire for coil
05/18/2005CN2701046Y A transformer bushing and lead wire interpenetration assembling device
05/18/2005CN2701043Y A transformer electrostatic screen
05/18/2005CN2701042Y A coil package packing structure
05/18/2005CN2701041Y An energy and material saving low-noise power transformer
05/18/2005CN2701040Y Fully-sealed oil conservator
05/18/2005CN1617270A 电感元件 Inductive element
05/18/2005CN1617268A Wire for coil
05/18/2005CN1202538C Three phase to two phase balance transformer
05/17/2005US6894909 Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components
05/17/2005US6894598 Inductor having small energy loss
05/17/2005US6894597 Axially potted progressive wound remote mount ignition coil
05/17/2005US6894596 Inverter transformer to light multiple lamps
05/17/2005US6894416 Hydro-generator plant
05/12/2005WO2005043561A2 Cryogenic compressor enclosure device and method
05/12/2005US20050099258 Power transformer/inductor
05/12/2005US20050098404 Device for the contactless transfer of electrical energy
05/12/2005US20050097726 Manufacturing method of insulation coil
05/12/2005DE4210783B4 Drosselspule Inductor
05/12/2005DE202005001802U1 Coil body for spooling with coil wire has two combined sectional bodies acting as a connection mount and a coil mount
05/11/2005EP1530225A2 Electric coil arrangement
05/11/2005EP1530223A1 High thermal conductivity insulating member and its manufacturing method, electromagnetic coil, and electromagnetic device
05/11/2005EP1529296A1 Winding arrangement
05/11/2005EP1444708B1 Plug-in unit assembly comprising instrument transformers
05/11/2005CN2699447Y A corrugated oil box for oil immersed transformer
05/11/2005CN2699446Y Novel power cabinet type transformer
05/11/2005CN2699445Y Fully sealed oil immersed power transformer
05/11/2005CN1615530A Integrated cooling duct for resin-encapsulated distribution transformer coils
05/11/2005CN1615528A Powder magnetic core and HF reactor therewith
05/10/2005US6891462 High-Q inductor for high frequency
05/10/2005US6891460 Rotor transformer positioning mechanism and operating method therefor
05/10/2005US6891303 High voltage AC machine winding with grounded neutral circuit
05/10/2005US6889434 Method of assembling a bobbin
05/06/2005WO2005041224A1 Inductive device and method for manufacturing same
05/05/2005US20050095791 Integration of filters using on-chip transformers for rf and wireless applications
05/05/2005US20050095177 Gas remover apparatus and method
05/05/2005US20050093670 High-frequency inductor with integrated contact
05/05/2005US20050093651 Noise filter, outdoor unit and air conditioner
05/04/2005EP1528577A1 Supply unit for lighting device
05/04/2005EP1528090A1 Epoxy resin powder coating material
05/04/2005EP1527464A1 Device comprising a circuit arrangement with an inductive element
05/04/2005EP1527463A1 Planar inductance