Patents for H01F 27 - Details of transformers or inductances, in general (43,362)
08/2002
08/01/2002WO2002058865A1 Compressed and heat treated soft magnetic iron-based powder alloys
08/01/2002WO2002052590A3 A multilayer balun transformer structure
08/01/2002US20020101321 Transformer
08/01/2002US20020101320 Integrated circuit inductors
08/01/2002US20020101319 Choke coil
08/01/2002US20020101315 Ignition coil with primary winding release
08/01/2002US20020101303 Multilayer LC composite component
08/01/2002US20020100161 Integrated circuit inductors
08/01/2002DE10046522C1 Vorrichtung zum Erfassen der Betriebstemperatur einer Wicklung Means for detecting the operating temperature of a winding
08/01/2002CA2435932A1 An electroacoustic transducer
08/01/2002CA2435249A1 Wire core inductive devices having a biassing magnet and methods of making the same
08/01/2002CA2435230A1 Toroidal inductive devices and methods of making the same
07/2002
07/31/2002EP0928480B1 Active control of acoustic output in gradient coils
07/31/2002CN2503582Y Harmonic screened balancing transformer
07/31/2002CN2503580Y 变压器 Transformer
07/31/2002CN1361550A Semi-conductor device
07/31/2002CN1361537A All-direction power reactor with magnetically covered wire
07/31/2002CA2336283A1 Method of manufacturing resonant circuit devices
07/30/2002US6426690 Electromagnetic coil device
07/30/2002US6426551 Composite monolithic electronic component
07/25/2002US20020097132 Integrated circuit inductors
07/25/2002US20020097131 Inductor component
07/25/2002US20020097130 Transformer with controlled interwinding coupling and controlled leakage inductances and circuit using such transformer
07/25/2002US20020097127 Magnetic core including bias magnet and inductor component using the same
07/25/2002US20020097126 Magnetic core including magnet for magnetic bias and inductor component using the same
07/25/2002US20020097124 Composite magnetic body, and magnetic element and method of manufacturing the same
07/25/2002US20020097123 Inductance element for power capacitor assembly
07/25/2002US20020095778 Integrated circuit inductors
07/25/2002US20020095777 Integrated circuit inductors
07/25/2002US20020095776 Integrated circuit inductors
07/25/2002US20020095775 Integrated circuit inductors
07/25/2002US20020095774 Integrated circuit inductors
07/25/2002US20020095773 Integrated circuit inductors
07/25/2002US20020095772 Integrated circuit inductors
07/25/2002US20020095771 Integrated circuit inductors
07/25/2002US20020095770 Integrated circuit inductors
07/25/2002US20020095769 Integrated circuit inductors
07/25/2002US20020095768 Integrated circuit inductors
07/24/2002EP1225606A2 Ignition coil for use in engine and engine having plastic cylinder head cover
07/24/2002EP1225605A2 Ignition coil for use in engine and engine having plastic cylinder head cover
07/24/2002EP1225604A2 Ignition coil for use in engine and engine having plastic cylinder head cover
07/24/2002EP1225603A2 Ignition coil for use in engine and engine having plastic cylinder head cover
07/24/2002EP1225602A1 Transformer coil
07/24/2002EP1225601A2 Inductor component
07/24/2002EP1224673A1 Earth cooled distribution transformer system and method
07/24/2002EP1224021A1 Device for preparing transformers
07/24/2002EP1116252B1 High-voltage fuse and power distribution network
07/24/2002CN2502383Y Dry three-phase combined voltage exchanger
07/24/2002CN2502382Y Harmonic current suppressor
07/24/2002CN2502381Y Bar type magnetic core coil inductor
07/24/2002CN2502380Y I-shaped inductor
07/24/2002CN2502379Y 电感器 Inductor
07/24/2002CN2501558Y Automatic oil filting device of loading pressure adjusting switch for electric power transformer
07/24/2002CN1360319A Magnetic core contg. magnetic bias magnet and induction element with said magnetic core
07/24/2002CN1088247C Plate inductor
07/23/2002US6424246 Transformer core and coil support
07/23/2002US6422225 Ignition coil and method of making
07/18/2002WO2002056648A1 High-voltage transformer
07/18/2002WO2002055355A2 Coil assembly
07/18/2002US20020094729 Transformer stud connector
07/18/2002US20020093414 Patterned ground shield for mirror current elimination
07/18/2002US20020093413 Inductor, transformer and manufacturing method thereof
07/18/2002US20020093412 Electronic packaging device with insertable leads and method of manufacturing
07/18/2002US20020093411 Self-locating coil assembly
07/18/2002US20020093410 Leakage flux-type power conversion transformer
07/18/2002US20020093409 Magnetic core having magnetically biasing bond magnet and inductance part using the same
07/18/2002US20020093397 Lamination type LC filter
07/18/2002US20020093075 Electronic structures with reduced capacitance
07/18/2002US20020092898 Process for connecting the winding wire of a coil with a terminal pin
07/18/2002DE10065800A1 Determining temperatures in electric transformer involves associating material elements and coolant elements with windings and coolant, associating material elements with coolant elements
07/17/2002EP1223591A2 Multilayer electronic component and communication apparatus
07/17/2002EP1222052A1 Welding system
07/17/2002CN2501170Y Two-stage sealing structure for tap changer of transformer
07/17/2002CN2501169Y Auxiliary winding structure for stabilizing device
07/17/2002CN2501168Y Explosion-proof device for oil immersed transformer
07/17/2002CN2501167Y Surface binding element and its seat
07/17/2002CN1359115A Magnetic core with magnetic offset composite magnet and inductive element using said magnet core
07/17/2002CN1359114A Magnetic core contaiing addrssive magnet with magnetic power with anti-oxidation metal coated on surface
07/16/2002US6420954 Coupled multilayer soft magnetic films for high frequency microtransformer for system-on-chip power supply
07/16/2002US6420953 Multi-layer, multi-functioning printed circuit board
07/16/2002US6420952 Faraday shield and method
07/16/2002US6419877 Compressed soft magnetic materials
07/11/2002US20020089405 Method and apparatus for forming a magnetic component on a printed circuit board
07/11/2002US20020089403 Method for forming a resin molding for a coil of a transformer
07/11/2002US20020089400 Inductor component having a permanent magnet in the vicinity of magnetic gap
07/11/2002US20020089085 High voltage transformer for microwave oven and method of manufacturing therefor
07/11/2002US20020088242 Refrigeration cooled transformer
07/11/2002DE10065400A1 Device with flux pump has high temperature superconductor coils and MOSFET switches in secondary-side rectifier circuit
07/11/2002DE10062091C1 Inductive component for power or communications applications has 2 complementary shell cores with ferromagnetic wire sections in ring around core axis
07/10/2002EP1221753A2 A coreless superthin PCB transformer and noncontact battery charger using the same
07/10/2002EP1221168A1 Power transformers and power inductors for low frequency applications using isotropic composite magnetic materials with high power to weight ratio
07/10/2002EP0706192B1 Choke coil
07/10/2002CN2499952Y Tubular iron core reactor wwithout iron yoke
07/10/2002CN1358317A Multilayer insulated wire and transformer comprising the same
07/10/2002CN1357897A Great-current HF transformer
07/09/2002US6417753 Planar magnetic device without center core leg
07/09/2002US6417456 Insulated conductor for high-voltage windings and a method of manufacturing the same
07/04/2002WO2002052590A2 A multilayer balun transformer structure
07/04/2002WO2002052589A1 Semiconductor device, and method and apparatus for manufacturing semiconductor device
07/04/2002WO2002052588A1 Semiconductor device, and method and apparatus for manufacturing semiconductor device