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)
05/2003
05/14/2003CN1417810A Varnished wire
05/14/2003CN1108614C Inductor and method of manufacturing the same
05/13/2003US6563413 Multiple parallel conductor for electrical machines and devices
05/13/2003US6563411 Current transformer with direct current tolerance
05/13/2003US6563410 Small footprint power transformer incorporating improved heat dissipation means
05/13/2003US6563304 Protective terminal bumps for the variable reluctance sensor
05/13/2003US6563214 Electronic component and method of manufacturing the same
05/13/2003US6560851 Method for producing an inductor
05/13/2003CA2274165C Method of manufacturing bead inductor and the bead inductor produced thereby
05/08/2003WO2003038959A1 Rod coil for ignition systems
05/07/2003EP1309092A1 Pulse signal generator, coil bobbin for the generator, and method of making the coil bobbin
05/07/2003CN2549572Y Coiled iron core
05/07/2003CN1416580A System and method for cooling transformers
05/07/2003CN1416579A Coil and coil system to be integrated in microelectronic circuit, and microelectronic circuit
05/07/2003CN1416146A Gas insulated transformer
05/07/2003CN1415970A 变流器 Converter
05/06/2003US6559750 Transformer and electrical device using the same
05/06/2003US6559748 Electric noise absorber
05/06/2003US6557250 Multilayer board compound and method for the manufacture thereof
05/02/2003EP1095383B1 Inductive resistor system
05/01/2003WO2003036665A1 Low-profile transformer and method of manufacturing the transformer
05/01/2003WO2003036664A1 Multilayer circuit and method of manufacturing
05/01/2003WO2003036663A1 Fully automatic process for magnetic circuit assembly
05/01/2003WO2003036660A1 Single-pole busbar bushing
05/01/2003WO2003035215A1 A device for purifying liquid in a liquid reservoir and a transformer provided with such a device
05/01/2003US20030080847 Low voltage, high current power transformer
05/01/2003US20030080844 Wire-wound coil
05/01/2003US20030080843 Ignition coil having air layers as insulators and manufacturing method therefor
05/01/2003US20030080841 Gas insulation transformer
05/01/2003US20030080830 Monolithic electronic device
05/01/2003US20030080739 Pulse signal generator, coil bovine for the generator, and method of making the coil bovine
05/01/2003US20030079904 Electronic component and method of manufacturing the same
04/2003
04/30/2003CN1415111A Power conversion system utilizing wire core inductive devices
04/30/2003CN1414577A Soft magnetic iron core press formed from powdered iron in automobile ignition coil and its manufacturing method
04/30/2003CN1107326C Inductor/capacitor combined element with variable capacitance and inductance
04/29/2003US6556416 Variable capacitor and a variable inductor
04/29/2003US6556117 Multi-channel uniform output type transformer
04/24/2003WO2003034494A1 Module component
04/24/2003US20030077476 Stacked sheet metal laminate
04/24/2003US20030076212 Fault current limiter
04/24/2003US20030076211 Coil device
04/24/2003US20030076210 Multiple layer inductor and method of making the same
04/24/2003US20030076208 Ignition coil
04/24/2003US20030076207 Lumped element microwave inductor with windings around tapered poly-iron core
04/24/2003US20030075990 Integrated switch with rf transformer control
04/24/2003US20030074781 Fully automatic process for magnetic circuit assembly
04/24/2003DE10137518C1 Elektrische Wicklungsanordnung Electrical winding arrangement
04/24/2003DE10128760C1 Transformer or choke has U-shaped rail extending approximately over width of magnetic core on which magnetic core rests and to which inside of clamp yoke legs are fixed
04/24/2003DE10128759C1 Mutual fixing of clamp plates for inductive components involves attaching clamp plates to fixing points by clinching or punch riveting depending on type of forces to which they are subject
04/23/2003EP1304707A2 Multiple layer inductor and method of making the same
04/23/2003EP1304704A2 Vegetable oil based dielectric coolant
04/23/2003EP1303862A1 A stationary induction machine and a cable therefor
04/23/2003EP1303861A2 Bulk metal magnetic component
04/23/2003CN2547050Y Insulation apparatus
04/23/2003CN2546988Y Low-voltage wire reel improvement of transformer
04/23/2003CN1413351A 连续的多匝线圈 Continuous multi-turn coil
04/23/2003CN1412792A Wirewound coil
04/23/2003CN1412790A Electromagnetic coil and its manufacturing method and coil form
04/22/2003USRE38082 High frequency pulse transformer for an IGBT gate drive
04/22/2003US6552642 Electronic device having electric wires and method of producing same
04/22/2003US6552641 Transformer, especially for powering cathode ray tubes
04/22/2003US6552639 Bulk stamped amorphous metal magnetic component
04/22/2003US6551426 Manufacturing method for a laminated ceramic electronic component
04/17/2003WO2003032477A2 Integrated magnetics for a dc-dc converter with flexible output inductor
04/17/2003WO2003031681A1 Iron core exhibiting excellent insulating property at end face, and method for coating end face of iron core
04/17/2003WO2002059914A3 Toroidal inductive devices and methods of making the same
04/17/2003US20030071707 Component core with coil terminations
04/17/2003US20030071706 Planar transformers
04/17/2003US20030071704 Common-mode choke coil
04/17/2003US20030071601 Power converter circuit having a pair of inversely coupled inductors
04/17/2003US20030070664 Ignition system having a high resistivity core
04/16/2003EP1302953A2 Core structure of stator transformer for rotary transformer
04/16/2003EP1301932A1 High frequency transformer with integrated rectifiers
04/16/2003EP1301827A1 Photolithographically-patterned out-of-plane coil structures and method of making
04/16/2003CN1411143A Stacked electronic element
04/16/2003CN1411009A Contactless transformer
04/15/2003US6549431 Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components
04/15/2003US6549112 Embedded vertical solenoid inductors for RF high power application
04/15/2003US6549110 Compensating device suitable for use in railway car transformers
04/10/2003WO2003030191A1 Inductance device
04/10/2003WO2003030190A1 Component core with coil terminations
04/10/2003WO2003030189A1 Planar transformer comprising plug-in secondary windings
04/10/2003WO2002101765A3 Devices and methods for protecting windings around a sharp edged core
04/10/2003US20030067377 Planar transformer
04/10/2003US20030067374 Transformer coil bracket
04/10/2003US20030066812 Band type cluster mount
04/09/2003EP0886874B1 Device comprising an integrated coil
04/09/2003CN2544391Y Maintenance free full closed soft air-say pointer type oil storage tank
04/09/2003CN2544390Y Small sized backward trannsformer casing structure
04/09/2003CN1409333A General transformer iron core capable of realizing fractional turn and its winding structure
04/09/2003CN1409328A Epoxy resin dipping fibre high voltage insulation core body
04/09/2003CN1105413C Rotating electrical machine plant
04/08/2003US6545583 Sealing a lead from a confined cavity of an apparatus such as a solenoid
04/08/2003US6545582 Magnetic core having an effective magnetic bias and magnetic device using the magnetic core
04/08/2003US6545453 Systems and methods for providing voltage regulation externally to a power transformer
04/03/2003WO2002063721A3 Modular transformer lead support system
04/03/2003US20030063427 Variable capacitor and a variable inductor
04/03/2003US20030062851 Method and paste for joiningcut surfaces of ferrite cores for fluorescent lamps
04/02/2003EP1298683A2 Non-contact transformer
04/02/2003EP1298682A2 Sheet-wound electrical coil
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