Patents
Sitemap › H01 - Basic electric elements › H01F - Magnets; Inductances; Transformers; Selection of materials for their magnetic properties › H01F 27 - Details of transformers or inductances, in general
Patents for H01F 27 - Details of transformers or inductances, in general (43,362)
08/2003
08/21/2003US20030156003 Printed circuit board transformer
08/21/2003US20030156002 Electronic component
08/21/2003US20030156000 Inductive component and method for the production thereof
08/20/2003EP0950251B1 Continuous method of manufacturing wire wound inductors
08/20/2003CN2567747Y Transformer wiring protecting sheath
08/20/2003CN2567746Y Magnetic leakage transformer
08/20/2003CN2567745Y Circular anti-leakage fuel tank with cooling fin
08/20/2003CN1437236A Plastic casing package method for electromagnetic device
08/19/2003US6608545 Planar transformer
08/19/2003US6608544 Reactor
08/19/2003US6608446 Method and apparatus for radio frequency (RF) metrology
08/19/2003US6608363 Transformer comprising stacked inductors
08/19/2003CA2273769C Method of producing inductor
08/14/2003WO2003067756A2 Filter circuit having an fe-based core
08/14/2003WO2003067616A1 Disc windings
08/14/2003WO2003067615A1 Current transformer having an amorphous fe-based core
08/14/2003US20030151487 Filter circuit having an Fe-based core
08/14/2003US20030151484 High frequency transformer with integrated rectifiers
08/14/2003US20030151483 Current transformer having an amorphous fe-based core
08/14/2003US20030150523 Powder core and high-frequency reactor using the same
08/14/2003US20030150440 Ignition coil for internal combustion engine
08/13/2003EP1335465A1 Method for making a device for the transmission of electric power
08/13/2003EP1335391A1 Nanocrystalline toroidal core
08/13/2003EP1334496A1 Core structure
08/13/2003EP1334495A1 Ferrite core with a novel construction
08/13/2003EP0901706B1 A method and a device for reducing third harmonic phenomena in a rotating electric alternating current machine
08/13/2003EP0787348B1 Epoxy resin casting composition
08/13/2003CN2566429Y High frequency low moulding switch power supply transformer
08/13/2003CN1436352A Bulk amorphous metal magnetic component
08/13/2003CN1436298A Internal fault indicator for power electrical devices
08/13/2003CN1435941A Terminal rack connected with rivetting pressing column
08/13/2003CN1435854A Coil packaged magnetic dust core capable of obtaining excellent inductive property and mfg. method thereof
08/12/2003US6606022 Planar transformer winding
08/12/2003US6606021 Device for fixing the magnetic coil of drive unit
08/12/2003US6606020 Low cost method of making a high impedance electrical transformer and products of said method
08/12/2003US6605940 Linear variable differential transformer assembly with nulling adjustment and process for nulling adjustment
08/12/2003CA2096149C Transformer core comprising groups of amorphous steel strips wrapped about the core window
08/07/2003WO2003065544A1 Stator of rotating electric motor
08/07/2003WO2003065388A1 Medium frequency transformer
08/07/2003WO2003065387A1 Inductive device
08/07/2003WO2003010876A3 Power factor correction circuit with a coil
08/07/2003US20030148739 High-frequency module device
08/07/2003US20030147007 Combined television receiver/video cassette recorder, video cassette recorder, audio/control head for combined television receiver/video cassette recorder, and audio/control head for video cassette recorder
08/07/2003US20030146817 Electrical filter
08/07/2003US20030146815 Capacitive voltage transformer
08/07/2003DE10207883C1 Electrical winding cooling device e.g. for reactor coil, has cooling medium fed through parallel paths provided by multi-layer barrier device communicating with annular channel containing winding
08/07/2003CA2474261A1 Inductive device
08/06/2003EP1333454A1 Overvoltage protection device
08/06/2003EP1332503A1 Inductive components
08/06/2003EP1106036B1 Magnetron drive step-up transformer and transformer of magnetron drive power supply
08/06/2003CN2565120Y Safety multifunctional three-phase distributing transformer
08/06/2003CN2565119Y Wiring protective sleeve for transformer
08/06/2003CN1434468A Common mode choke coil array
08/06/2003CN1117383C Method for manufacturing high-voltage winding with resin insulation for transformer
08/05/2003US6603383 Multilayer balun transformer structure
08/05/2003US6603381 Primary conductor for a transformer
08/05/2003CA2096162C Method and apparatus for making packets of amorphous steel strip for transformer core manufacture
07/2003
07/31/2003WO2003063188A1 Non-energy limiting class 2 transformer with positive temperature protection
07/31/2003WO2003063187A1 Electrical machine
07/31/2003US20030141955 Inductive miniature component for smd-mounting and method for the production thereof
07/31/2003US20030141954 Inductive device
07/31/2003US20030141953 Monolithic transformer compensated circuit
07/31/2003US20030141952 Coil-embedded dust core and method for manufacturing the same, and coil and method for manufacturing the same
07/31/2003DE20306035U1 Power supply stage for supplying low voltage loads has coupling capacitance between transformer windings reduced by special winding layer structure, low transformer current gradients
07/30/2003EP1331733A1 LC-type filtermodule and helical filter comprising at least two such modules
07/30/2003EP1157395B1 Discrete inductive-type electronic component, method for the production thereof
07/30/2003EP0923785B1 High voltage/low voltage transformer with thermoplastic air-core insulation
07/30/2003CN2563765Y 10 KV transformer insulation connector
07/30/2003CN2563732Y Medium frequency transformer special for large medium frequency ozone generator
07/30/2003CN2563728Y Metering integrated distribution transformer
07/30/2003CN2563727Y Anti-frandulent use of electricity mutual inductor
07/30/2003CN2563726Y Vacuum impregnating dry transformer
07/30/2003CN2563725Y Double outlet low voltage heavy current transformer
07/30/2003CN2563724Y 变压器角环 Transformers angle ring
07/30/2003CN2563723Y Three phase transformer iron core
07/30/2003CN2563722Y Forced oil circulation wind-water cooler
07/30/2003CN2563721Y Forced oil circulation two way wind air cooler
07/30/2003CN1433034A Power supply transformer
07/30/2003CN1433033A Inductance part with permanent magnet set in magnetic gap
07/30/2003CN1433032A 可调感应器 Adjustable sensor
07/30/2003CN1116738C Monolithic inductive capacity resonance and monolithic inductive capacity filter
07/29/2003US6600402 Bobbins, transformers, magnetic components, and methods
07/29/2003CA2196379C Battery charger
07/28/2003CA2417395A1 Monolithic transformer compensated circuit
07/24/2003WO2003060934A1 Wide-band blocking filter
07/24/2003WO2003060930A1 Powder magnetic core and high frequency reactor using the same
07/24/2003US20030137818 Base for an electronic component
07/24/2003US20030137812 Surface mount typed electronic circuit of small size capable of obtaining a high-Q
07/24/2003US20030137386 Method of fabricating a core for a transformer
07/24/2003US20030137384 Common mode choke coil array
07/24/2003US20030137382 Transformers
07/24/2003US20030137369 L-C type filter module and helical filter made up of at least two such modules
07/24/2003US20030136391 Resin-insulated ignition coil
07/23/2003EP1330015A1 Magnetic core, coil component comprising it, and power source circuit
07/23/2003EP1329914A2 Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components without requiring additional windings
07/23/2003EP1012858B1 Through-hole interconnect device with isolated wire-leads and component barriers
07/23/2003CN2562324Y Semi-resonance transformer
07/23/2003CN2562323Y Distribution power transformer against charge evasion
07/23/2003CN2562322Y Threedimensional triangular iron core of power and electronic three-phase transformer
07/23/2003CN2562321Y Spiral plate type cooler of transformer
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