Patents for H01F 27 - Details of transformers or inductances, in general (43,362)
08/2004
08/12/2004US20040158801 Method of manufacturing an inductor
08/12/2004US20040158428 Intelligent auxiliary cooling system
08/12/2004US20040155746 Fixing member
08/12/2004US20040155745 Core member for winding
08/12/2004DE10261485A1 Capture trough for ground contaminating liquids e.g. oil and insulating fluids especially for transformers, has stiff foil bent to form captive space
08/11/2004EP1445779A2 Corrosion-resistant laminated steel part and corrosion-proofing method for laminated steel parts
08/11/2004EP1444708A1 Plug-in unit assembly comprising instrument transformers
08/11/2004EP1444707A1 Fully automatic process for magnetic circuit assembly
08/11/2004EP1444706A1 Inductive component and method for producing same
08/11/2004CN2632824Y Lightning-protective induce transformer
08/11/2004CN2632823Y Small voltage boost transformer for transverter for lighting crystal liquid panel
08/11/2004CN1520598A 3-limb amorphous metal cores for three-phase transformers
08/11/2004CN1519867A Inductive components, laminated electronic components, laminated electronic components modulars and method for mfg. these components and modulars
08/11/2004CN1519292A Potting material for electronic components
08/11/2004CN1161800C Coil device and its producing method
08/11/2004CN1161799C Method for evaluating deterioration of insulating paper
08/10/2004US6774757 Coil
08/10/2004US6774755 Choke coil
08/10/2004US6773619 Magnetic core for transformer, Mn-Zn based ferrite composition and methods of producing the same
08/05/2004US20040150501 Ferrite core
08/05/2004US20040150500 Controlled induction device and method of manufacturing
08/05/2004US20040150498 Polymer sheet core and coil insulation for transformers
08/05/2004US20040150386 Power measurement mechanism for a transformer coupled plasma source
08/05/2004US20040149948 Encapsulated solenoid assembly having an integral armor tube cable protector
08/05/2004DE10340391A1 Induktor mit geringem Energieverlust Inductor with low energy loss
08/05/2004DE10310461B3 Immersion coil actuator used as a voice coil actuator comprises end cap covering a secondary part fixed on an outer casing, base part formed at a distance from the covering plate
08/04/2004EP1443529A1 Inductance element, laminated electronic component, laminated electronic component module and method for producing these element, component and module
08/04/2004EP1442463A1 Multilayer circuit and method of manufacturing
08/04/2004CN1518214A Noise filter for high-frequency generator
08/04/2004CN1518017A Inducer with resistive terminating action
08/04/2004CN1518016A High-tension transformer
08/04/2004CN1518015A Wound rotor transformer and supply unit using wound rotor transformer
08/04/2004CN1518014A High-tension transformer
08/04/2004CN1518013A Choke and electronic equipment using it
08/04/2004CN1160854C Squelch filter for power converter
08/04/2004CN1160747C Method for forming resin moulded parts of transformer coil
08/04/2004CN1160746C Power transformer/reactor
08/04/2004CN1160745C Planar transformer
08/04/2004CN1160577C Electric current pick-up shoe
08/03/2004US6771157 Wire-wound coil
08/03/2004US6771156 Choke
08/03/2004US6771142 Network coupler
08/03/2004US6770810 High voltage electrical handling device enclosure
08/03/2004US6769169 Method of fabricating a core for a transformer
08/03/2004CA2320773C Multiple parallel conductor for electrical machines and devices
07/2004
07/29/2004WO2004064466A1 High-frequency layered part and manufacturing method thereof
07/29/2004WO2004064084A2 Self-damped inductor
07/29/2004WO2004063654A2 Thermal energy transfer panel
07/29/2004US20040145445 Transformer structure
07/29/2004US20040145444 High voltage transformer
07/29/2004US20040145442 Choke coil and electronic device using the same
07/29/2004US20040145441 Inductor with resistive termination
07/29/2004US20040145440 Integrated bobbin transformer assembly
07/29/2004US20040145439 Method and apparatus for transformer bandwidth enhancement
07/29/2004US20040145438 Ignition coil
07/29/2004US20040145437 High voltage transformer
07/29/2004DE102004002176A1 Mikrominiatur-Stromrichter Microminiature power converter
07/28/2004EP1441374A1 High voltage transformer
07/28/2004EP1441373A1 High voltage transformer
07/28/2004EP1441044A1 IRON CORE EXHIBITING EXCELLENT INSULATING PROPERTY AT END FACE, AND METHOD FOR COATING END FACE OF IRON CORE
07/28/2004EP1440498A1 Rod coil for ignition systems
07/28/2004EP1282903B1 Inductive component and method for the production thereof
07/28/2004CN1516207A Broad-band incoherent signal filter
07/28/2004CN1516206A Resin-poured insulation dry transformer and its production method
07/28/2004CN1515832A Transformer assembly for microwave oven and its mfg. method and microwave oven with said assembly
07/28/2004CN1159870C Noise absorber and casing therefor
07/28/2004CN1159738C Power supply system for welding
07/28/2004CN1159732C Platable end paste for chip inductor
07/28/2004CN1159731C Internal electrode slurry for chip-type inductor
07/27/2004US6768409 Magnetic device, method for manufacturing the same, and power supply module equipped with the same
07/22/2004WO2004061877A1 Circuit using choke coil and choke coil
07/22/2004US20040140880 Coupling device
07/22/2004US20040140878 Inductor having small energy loss
07/22/2004US20040140877 Microconverter and laminated magnetic-core inductor
07/22/2004US20040140876 Inductor component
07/22/2004US20040140775 Oscillating inductor
07/22/2004US20040140770 Noise filter for a high frequency generator
07/22/2004DE10350262A1 Transformer having two windings e.g. for power transformer, has flexible ferrite polymer foil applied over outer winding
07/22/2004DE10258765A1 Frequenzumformer mit Lüfterkühlung Frequency with fan cooling
07/21/2004EP1439731A1 An electroacoustic transducer
07/21/2004EP1439555A1 Potting material for electronic components
07/21/2004EP1439554A1 Inductive component
07/21/2004EP1439553A1 Low-profile transformer and method of manufacturing the transformer
07/21/2004EP1439552A1 Noise filter for a high frequency generator
07/21/2004EP1439551A1 SMD inductive miniatur component
07/21/2004EP1438115A1 A device for purifying liquid in a liquid reservoir and a transformer provided with such a device
07/21/2004CN2627629Y Full-cubic inductance ballast iron core
07/21/2004CN1514451A Iron core structure having gap used for magnetic unit
07/21/2004CN1514450A Mn-Zn series feerite, magnetic core for transformer and transformer
07/21/2004CN1158680C 变压器/电抗器 Transformer / reactor
07/21/2004CN1158678C Line interface transformer
07/20/2004US6765469 Printed circuit board transformer
07/20/2004US6765468 Inductor module including plural inductor winding sections connected to a common contact and wound on a common inductor core
07/20/2004US6765467 Core support assembly for large wound transformer cores
07/20/2004US6765459 Laminated dielectric resonator and laminated dielectric filter
07/20/2004US6763816 Internal combustion engine ignition coil
07/20/2004CA2217619C Padmounted transformer enclosure and latch
07/15/2004WO2004059819A1 Extruded elastic insulation for conductors of electric machines
07/15/2004US20040137173 Potting material for electronic components
07/15/2004US20040135660 Low profile high current multiple gap inductor assembly