| Patents for H01F 38 - Adaptations of transformers or inductances for specific applications or functions (13,550) |
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| 07/15/2004 | DE10304138B3 Vehicle IC engine ignition coil with electrically-conductive modular elements for interference suppression stacked together between HV side of ignition coil and ignition plug |
| 07/15/2004 | DE10218124B4 Ladevorrichtung zur kontaktlosen Ladung batteriebetriebener Geräte Loading device for contactless charging battery-powered devices |
| 07/14/2004 | EP1437748A2 Inverter transformer to light multiple lamps |
| 07/14/2004 | EP0979521B1 Planar magnetic component with transverse winding pattern |
| 07/14/2004 | CN1512524A Changing current ratio of 10KV and higher high-voltage current transformer under live condition |
| 07/13/2004 | US6762946 Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components |
| 07/08/2004 | US20040130426 Inverter transformer to light multiple lamps |
| 07/08/2004 | US20040130424 Primary wire winding having optimized package dimensions for a pencil-style ignition coil |
| 07/08/2004 | DE10261403A1 Zündspule mit vergossenen Wicklungen Ignition coil with molded windings |
| 07/07/2004 | EP1435632A1 Ignition coil with encapsulated windings and corresponding production method |
| 07/07/2004 | EP1261844B1 System for generating electric energy from a magnetic field |
| 07/07/2004 | CN2624363Y Shaft urrent transformer |
| 07/07/2004 | CN1511383A Device for inductive transmission of electrical power |
| 07/07/2004 | CN1510702A Switch voltage transformer |
| 07/06/2004 | US6760206 Current sensor supporting structure |
| 07/06/2004 | US6759841 Hall-effect current detector |
| 07/06/2004 | US6759759 Rotary contactless connector and non-rotary contactless connector |
| 07/01/2004 | US20040125534 Igniter transformer |
| 07/01/2004 | US20040124958 Controlled inductance device and method |
| 07/01/2004 | US20040123852 Ignition coil assembly for engine |
| 06/30/2004 | EP1434241A1 High frequency transformer having a higher leakage inductance boost winding |
| 06/30/2004 | CN2622824Y Dry current transformer |
| 06/30/2004 | CN1508819A Dry capacitor type voltage transformer |
| 06/30/2004 | CN1155974C Transformer for generating high voltage |
| 06/29/2004 | US6756776 Method and device for installing and removing a current transformer on and from a current-carrying power line |
| 06/24/2004 | WO2004054179A1 Connection structure of twisted pair wires and near magnetic field non-contact communicaiton system ________________ |
| 06/24/2004 | US20040119576 Noncontact coupler |
| 06/24/2004 | US20040119572 Hf transformer assembly having a higher leakage inductance boost winding |
| 06/24/2004 | DE202004006131U1 Silicon steel plate module e.g. for choke systems, has core modules comprising winding zone and magnetic flux region |
| 06/24/2004 | DE10356745A1 Zündspulenvorrichtung und Herstellungsverfahren dafür Ignition coil and production method thereof |
| 06/23/2004 | CN2621334Y Non-injection inductive coupler |
| 06/23/2004 | CN2621333Y Inductance fluorescent lamp ballast |
| 06/22/2004 | US6753749 Toroidal transformer enclosure |
| 06/22/2004 | US6753634 Bus duct assembly for high-power rotary current transformer system |
| 06/17/2004 | WO2004051677A2 Rod ignition coil |
| 06/17/2004 | WO2004023509A3 Metalized polyester film with heat-seal layer on opposite side for flyback transformer application |
| 06/17/2004 | US20040113735 Ignition coil device |
| 06/17/2004 | DE10356742A1 Zündspulenvorrichtung Ignition coil |
| 06/17/2004 | DE10356741A1 Zündspulenvorrichtung und Herstellungsverfahren dafür Ignition coil and production method thereof |
| 06/17/2004 | DE10255376A1 Inductive structural element, useful for the transfer of energy or data from primary to secondary circuit, comprising air gaps and a frame type core |
| 06/16/2004 | EP1284004B1 Inductive translator composed of two spools with respective cores |
| 06/16/2004 | CN2620919Y Fast rotary transformer |
| 06/15/2004 | US6749119 System for a machine having a large number of proximity sensors, as well as a proximity sensor, and a primary winding for this purpose |
| 06/10/2004 | WO2004049675A2 Arrangement of an inductive coupler for power line communications |
| 06/10/2004 | US20040108931 Ignition coil device and method of manufacturing the same |
| 06/10/2004 | US20040108930 Ignition coil device and method of manufacturing the same |
| 06/10/2004 | US20040108929 Transformer |
| 06/10/2004 | CA2507126A1 Arrangement of an inductive coupler for power line communications |
| 06/09/2004 | EP1426985A2 Stick-type ignition coil having improved structure against crack or dielectric discharge |
| 06/09/2004 | CN2620360Y Oil paper standing upside down type high-voltage current transformer |
| 06/09/2004 | CN1153230C Non-contact type power transfer device |
| 06/08/2004 | US6747540 Ignition coil for internal combustion engine |
| 06/08/2004 | CA2265654C Apparatus for deactivation of electronic article surveillance tags |
| 06/03/2004 | WO2004047236A1 Electrical current collector cleaning and cooling for high voltage rotating machines |
| 06/03/2004 | WO2004047127A1 Connector with inductive coupling |
| 06/03/2004 | US20040104798 Arrangement of an inductive coupler for power line communications |
| 06/03/2004 | US20040104796 Ignition coil for internal combustion engine |
| 06/03/2004 | DE10304606B3 Transformer providing high electrical currents e.g. for magnetization of magnets or magnetic field deformation, has secondary provided by electrically-conductive plate divided by slit to providing current terminals |
| 06/02/2004 | EP1129459B1 Use of a magnetic core for a current transformer, method for the production of a magnetic core and current transformer with a magnetic core |
| 06/02/2004 | CN1152609C Dimming ballast and driving method for frequency controlled lamps using loosely-coupled transformer |
| 06/01/2004 | US6744343 Flyback transformer mounting structure for video apparatus |
| 05/27/2004 | US20040100159 Electrical current collector cleaning and cooling for high voltage rotating machines |
| 05/27/2004 | DE10207550B4 Zündvorrichtung für eine Brennkraftmaschine An ignition apparatus for an internal combustion engine |
| 05/26/2004 | CN2618276Y High-voltage AC current transducer |
| 05/26/2004 | CN2618275Y Winding ballast with frameless coils |
| 05/26/2004 | CN1151518C Diode-split high-voltage transformer |
| 05/25/2004 | US6741485 Interconnection system for transmitting power between electrical systems |
| 05/25/2004 | US6741156 Rod-core transformer and a lamp cap having a rod-core transformer |
| 05/25/2004 | US6741153 Flat high-voltage impulse transformer |
| 05/21/2004 | WO2004042922A1 System for generating high-power pulse |
| 05/21/2004 | WO2004042751A1 Plug-in unit assembly comprising instrument transformers |
| 05/21/2004 | WO2004042749A1 Electrical contact between thin varnished wires of the secondary winding of an ignition coil |
| 05/21/2004 | WO2004042748A1 Electrical contacting of thin enameled wires of secondary windings of ignition coils |
| 05/20/2004 | US20040096573 System and method for vibration-assisted flow of encapsulating material in ignition coils |
| 05/20/2004 | US20040095221 Inductor assembly |
| 05/19/2004 | EP1420419A1 Inductor assembly |
| 05/19/2004 | DE10259545B3 High voltage connection for an internal combustion engine spark plug has a spout shrouding the delivery connection of a rubber elastic material screwed to the dome to remain in place when the connection is broken |
| 05/19/2004 | DE10257101B3 Vehicle engine ignition coil in rod configuration, employs plastic over-injection molding to seal magnetic return section and form casing for coil |
| 05/19/2004 | DE10251841A1 Electrical connector for rod-shaped ignition coil, has contact spring which is displaced across contact region, and makes contact with secondary coil when in end position |
| 05/19/2004 | DE10251840A1 Electrical connector for rod-shaped ignition coil, has contact sleeve with tongues which penetrate insulation of secondary coil to make contact when sleeve is assembled |
| 05/19/2004 | CN2616329Y Portable electric welding machine |
| 05/19/2004 | CN1497622A Current transformer and current transformer system |
| 05/19/2004 | CN1497620A High-tension transformer |
| 05/19/2004 | CN1150578C Method for fitting zero phase sequence converter in leakage circuit breaker |
| 05/18/2004 | US6736646 Electromagnetic induction-type connector |
| 05/13/2004 | WO2004040601A1 Controlled shunt reactor |
| 05/13/2004 | WO2004040600A1 Transformer |
| 05/13/2004 | US20040090284 Arrangement of a data coupler for power line communications |
| 05/12/2004 | CN2614825Y Electric etching marking machine on metal objects utilizing high-frequency transformer |
| 05/12/2004 | CN1496668A 高压变压器 High-voltage transformers |
| 05/11/2004 | US6734774 Ignition coil |
| 05/11/2004 | US6734772 Method and apparatus for providing selectable output voltages |
| 05/06/2004 | US20040085172 Filter for segmenting power lines for communications |
| 05/06/2004 | US20040085171 Highly insulated inductive data couplers |
| 05/06/2004 | US20040083940 Remote operated vehicles |
| 05/06/2004 | EP1416157A1 Ignition coil, and internal combustion engine ignition device |
| 05/04/2004 | US6731087 Fan motor |
| 04/29/2004 | WO2004036879A2 Filter for segmenting power lines for communications |
| 04/29/2004 | WO2004036813A2 Repeaters sharing a common medium for communications |
| 04/29/2004 | WO2004036772A2 Arrangement of a data coupler for power line communications |