Patents for H01F 27 - Details of transformers or inductances, in general (43,362)
04/2004
04/21/2004CN2613036Y Water deluge-cooled power transformer
04/21/2004CN1491423A Low-profile transformer and method of manufacturing the transformer
04/21/2004CN1491422A Spring cap and electric component
04/21/2004CN1490829A Magnetic core and magnetic field shielding component and coil, transformer, electronic apparatus and camera device
04/21/2004CN1490824A Silicon rubber heat resistant wire for heating coil
04/21/2004CN1146928C Continuous method of mfg. wire wound inductors
04/20/2004US6724289 Ignition apparatus having feature for shielding the HV terminal
04/20/2004US6724288 Transformers tube type
04/20/2004US6723494 Conductor pattern and electronic component having the same
04/15/2004WO2004032159A1 Coil form
04/15/2004WO2004032158A1 Coil form
04/15/2004US20040070945 Heat dissipation structures and method of making
04/15/2004US20040070893 Microtransformer for system-on-chip power supply
04/15/2004US20040070481 Apparatus and method for PCB winding planar magnetic devices
04/15/2004US20040070480 Low-profile transformer and method of manufacturing the transformer
04/15/2004US20040070477 Ignition coil core isolation
04/15/2004US20040070475 Transformer with forced liquid coolant
04/15/2004US20040070345 Noise filter of high frequency generator
04/15/2004US20040070302 Coil assembly
04/15/2004US20040069975 Vegetable oil based dielectric fluid and methods of using same
04/15/2004US20040069453 Assembled structure having an enlarged heat transfer area for heat radiation therefrom
04/15/2004US20040069288 Ignition coil for use in engine and engine having plastic cylinder head cover
04/15/2004DE20303983U1 Tubular transistor end-stage screened against stray inductance, comprising amplifier of low stray, annular core transformers, with fore- and end-stage tubes and output
04/15/2004DE10339682A1 Zündgerät für einen Motor Ignitor for an engine
04/15/2004DE10256802B3 Rod ignition coil for automobile IC engine has first coil body, its coil winding and associated resin mass acting as second coil body for second coil winding
04/14/2004EP1408608A2 Noise filter for high frequency generator
04/14/2004CN2612040Y Pressure release valve
04/14/2004CN1489880A Electroacoustic transducer
04/14/2004CN1489282A Noise filter of high-frequency generator
04/14/2004CN1489159A 电感元件 Inductive element
04/14/2004CN1145986C Engine igniting coil device and method of winding ignition coil
04/13/2004US6720855 Magnetic-flux conduits
04/13/2004US6720854 Ignition coil having air layers as insulators and manufacturing method therefor
04/13/2004US6720639 Integrated inductance structure
04/13/2004US6720230 Method of fabricating integrated coil inductors for IC devices
04/13/2004US6718625 Methods of manufacturing inductors
04/08/2004WO2002019350A8 A method of manufacturing an inductor
04/08/2004US20040066267 Toroidal inductive devices and methods of making the same
04/08/2004US20040066265 Surface mounting type coil
04/08/2004US20040066264 Bobbin structure and transformer and inductor employing same
04/07/2004EP1406369A2 Device for inductive coupling of electric signals to a voltage supply line and method for making a wound web
04/07/2004EP1405322A2 Swinging choke
04/07/2004EP1405321A1 Transformer
04/07/2004EP1405320A1 Conductive structure with improved alternating current characteristics
04/07/2004EP1405319A1 Multiple-interleaved integrated circuit transformer
04/07/2004EP1297606B1 Insulation for electrical conductors that produces no partial discharges
04/07/2004EP1249025B1 Coil and coil system to be integrated in a microelectronic circuit, and a microelectronic circuit
04/07/2004EP1082736B1 Transformer
04/07/2004EP0901711B1 A rotating asynchronous converter
04/07/2004CN2610467Y Pin plug machine
04/07/2004CN2610463Y 组合式变压器 Combined Transformer
04/07/2004CN2610462Y Safety shock-proof anti-theft device of transformer
04/07/2004CN2610461Y Flame-proof type air-immersed transformer
04/07/2004CN1488153A Toroidal inductive devices and methods of making the same
04/07/2004CN1488152A Multi-layer and user-configurable micro-printed circuit board
04/07/2004CN1487537A Transformer and reactor with coiled core and the making process
04/06/2004US6718268 Apparatus for measuring a contact pressure of a winding compression element in a power transformer
04/06/2004US6717504 Magnetic core including bias magnet and inductor component using the same
04/06/2004US6717503 Coil and coil system for integration into a micro-electronic circuit and microelectronic circuit
04/06/2004US6717500 Surface mountable electronic component
04/01/2004WO2004028223A2 Electronics component and method for fabricating same
04/01/2004WO2004027795A1 Method for manufacturing bonded magnet and method for manufacturing magnetic device having bonded magnet
04/01/2004WO2004027794A1 Ignition coil having an improved power transmission
04/01/2004WO2004027792A1 Transformer and transformer unit having the same
04/01/2004US20040061588 High voltage transformer
04/01/2004US20040061587 Stacked coil device and fabrication method thereof
04/01/2004DE20311775U1 Current conducting profile system with transformer to be coupled to it, consisting of triple chamber profile of insulating plastics with two mutually insulated, square, copper current rails in two top chambers
04/01/2004DE10338377A1 Magnetventil mit Anschlusskasten Solenoid valve with connection box
03/2004
03/31/2004EP1403888A2 Reactor unit
03/31/2004EP1403887A1 Coil filter and method for manufacturing the same
03/31/2004EP1060484B1 Transformer cooling method and apparatus therefor
03/31/2004CN2609139Y High frequency high voltage coil with high insulating property
03/31/2004CN2609138Y Flangeseal structure for oil-immersed type transformer or reactor
03/31/2004CN2609137Y Transformer magnetic core earthing seat
03/31/2004CN1486497A Planar inductor with segmented conductive plane
03/31/2004CN1144242C Sheet shape inducer
03/30/2004US6714110 Sleeved case design for adjustably increasing creepage distance
03/30/2004US6714100 Monolithic electronic device
03/30/2004US6714022 Apparatus and method for cooling power transformers
03/30/2004US6713162 Electronic parts
03/30/2004CA2284958C Output choke for d.c. welder and method of using same
03/25/2004WO2004025695A2 Semiconductor device with wire bond inductor and method
03/25/2004US20040056747 Reactor unit
03/25/2004US20040056746 Sealing of an ignition coil
03/25/2004US20040056577 Ignition coil core isolation
03/25/2004US20040055772 EMI-suppressing cable
03/25/2004US20040055587 Ignition apparatus for engine
03/25/2004DE19508695B4 Trafoklemme Transformer Terminal
03/25/2004DE10311330A1 Planar inductive elements are formed on circuit board that has surface mounted devices
03/25/2004DE10242879A1 Ignition coil for internal combustion engine, has section having increased winding density, and diameter of innermost windings smaller than that of windings of remaining winding sections
03/24/2004EP1400988A2 Step-up transformer for magnetron driving
03/24/2004EP1399934A1 E-i or e-e transformer
03/24/2004EP1060486B1 A strip wound induction coil with improved heat transfer and short circuit withstandability
03/24/2004EP1021811B1 Superconducting coreless transformer
03/24/2004CN2607647Y Transformer for power station
03/24/2004CN1484838A High & inductor with faraday shield and dielectric well buried in substrate
03/24/2004CN1484258A Transformer with heat conductive glue auxiliary radiation
03/24/2004CN1484257A Double-conductor cable for winding and harmonic suppression cable winding transformer
03/24/2004CN1483955A Electromagnetic valve with terminal box
03/24/2004CN1143330C Surface mounting coil