| Patents for H01F 38 - Adaptations of transformers or inductances for specific applications or functions (13,550) |
|---|
| 04/29/2004 | WO2004036605A1 Single-phase transformer |
| 04/29/2004 | WO2004036601A2 Highly insulated inductive data couplers |
| 04/29/2004 | WO2003094365A3 Construction of medium voltage power line data couplers |
| 04/29/2004 | US20040080390 Ignition coil and techniques for introducing encapsulating material therein |
| 04/29/2004 | CA2502122A1 Filter for segmenting power lines for communications |
| 04/29/2004 | CA2502107A1 Repeaters sharing a common medium for communications |
| 04/29/2004 | CA2502104A1 Arrangement of a data coupler for power line communications |
| 04/28/2004 | EP1323147B1 Inductive transformer |
| 04/28/2004 | EP0887815B1 Converter transformer |
| 04/28/2004 | CN1147886C Flyback transformer |
| 04/27/2004 | US6727794 Apparatus for establishing inductive coupling in an electrical circuit and method of manufacture therefor |
| 04/22/2004 | US20040075524 High-voltage transformer |
| 04/22/2004 | US20040075517 Rod coil for ignition systems |
| 04/22/2004 | DE10254850B3 Rod ignition coil for automobile IC engine ignition system has HV spark gap used as electrical connection between secondary wire and spark lug terminal contact |
| 04/22/2004 | DE10247411A1 Bauraumoptimierte Primärdrahtwicklung für eine Stabzündspule Space-optimized primary winding wire for a pencil ignition coil |
| 04/22/2004 | DE10246261A1 Vorrichtung zur induktiven Ankopplung von elektrischen Signalen an eine Spannungsversorgungsleitung sowie Bearbeitungsverfahren für einen Bandwickel Device for inductive coupling of electrical signals to a voltage supply line and processing method for a tape winding |
| 04/21/2004 | CN2613037Y Electronic capacitor type voltage transformer |
| 04/20/2004 | US6724289 Ignition apparatus having feature for shielding the HV terminal |
| 04/15/2004 | US20040070477 Ignition coil core isolation |
| 04/15/2004 | US20040069288 Ignition coil for use in engine and engine having plastic cylinder head cover |
| 04/15/2004 | DE10339682A1 Zündgerät für einen Motor Ignitor for an engine |
| 04/15/2004 | DE10256802B3 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 |
| 04/15/2004 | DE10102367B4 Datenübertragungseinrichtung zur galvanisch getrennten Signalübertragung und Verwendung der Einrichtung Data transmission means for electrically isolated signal transfer and use of the device |
| 04/14/2004 | EP1408310A1 Disconnection protection structure of a rotary transformer-type resolver |
| 04/14/2004 | EP1407561A2 Device for the inductive transmission of electrical power |
| 04/14/2004 | CN2612042Y Active photoelectric current transformer |
| 04/14/2004 | CN2612041Y Hollow core coil current transformer |
| 04/14/2004 | CN1145987C Engine igniting coil device |
| 04/14/2004 | CN1145986C Engine igniting coil device and method of winding ignition coil |
| 04/14/2004 | CN1145985C Engine igniting coil device |
| 04/13/2004 | US6720854 Ignition coil having air layers as insulators and manufacturing method therefor |
| 04/13/2004 | US6718958 Ignition apparatus for an internal combustion engine |
| 04/08/2004 | WO2002019350A8 A method of manufacturing an inductor |
| 04/08/2004 | US20040066264 Bobbin structure and transformer and inductor employing same |
| 04/08/2004 | US20040066151 Multi-lamp backlight system |
| 04/07/2004 | EP1406369A2 Device for inductive coupling of electric signals to a voltage supply line and method for making a wound web |
| 04/07/2004 | CN2610466Y Dry-type high-voltage current mutual inductor |
| 04/07/2004 | CN2610465Y Open and close current mutual inductor |
| 04/07/2004 | CN2610464Y Voltage, current mutual inductor with guard function |
| 04/07/2004 | CN1145179C Ignition apparatus for internal combustion engine |
| 04/06/2004 | US6717499 Transformer for gas insulated electric apparatus |
| 04/06/2004 | US6717249 Non-contact type IC card and process for manufacturing-same |
| 04/01/2004 | WO2004027794A1 Ignition coil having an improved power transmission |
| 04/01/2004 | US20040061588 High voltage transformer |
| 04/01/2004 | DE10203651B4 Übertrager Transformer |
| 03/30/2004 | US6714111 Inverter transformer |
| 03/30/2004 | CA2284958C Output choke for d.c. welder and method of using same |
| 03/30/2004 | CA2218919C Power supply unit |
| 03/25/2004 | WO2004025816A2 Low harmonic rectifier circuit |
| 03/25/2004 | US20040056746 Sealing of an ignition coil |
| 03/25/2004 | US20040056577 Ignition coil core isolation |
| 03/25/2004 | US20040055587 Ignition apparatus for engine |
| 03/25/2004 | DE10242879A1 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 |
| 03/24/2004 | EP1399934A1 E-i or e-e transformer |
| 03/24/2004 | CN2607649Y Once outlet elongation type current transformer |
| 03/24/2004 | CN1143331C Current transformer for load switch |
| 03/18/2004 | WO2004023509A2 Metalized polyester film with heat-seal layer on opposite side for flyback transformer application |
| 03/18/2004 | US20040052674 Forming ignition cores; vibrating tool for radial compression |
| 03/18/2004 | US20040051616 Controlled inductance device and method |
| 03/18/2004 | DE10336222A1 Zündvorrichtung für eine Brennkraftmaschine An ignition apparatus for an internal combustion engine |
| 03/17/2004 | EP0748451B1 Dc and ac current sensor having a minor-loop operated current transformer |
| 03/17/2004 | CN1142564C Retrace transformer |
| 03/11/2004 | WO2004021376A1 Method for the wireless and contactless transport of energy and data, and corresponding device |
| 03/11/2004 | US20040046634 Low harmonic rectifier circuit |
| 03/11/2004 | US20040046633 Low harmonic rectifier circuit |
| 03/11/2004 | US20040046629 Low harmonic rectifier circuit |
| 03/11/2004 | US20040046627 Rotor transformer positioning mechanism and operating method therefor |
| 03/11/2004 | US20040046512 Discharge lamp lighting device to light a plurality of discharge lamps |
| 03/11/2004 | US20040045540 Ignition coil apparatus for engine |
| 03/11/2004 | DE10240351A1 Wandleranordnung zur Speisung eines Auslösemagneten Converter arrangement for supplying a trigger magnet |
| 03/11/2004 | DE10240080A1 Verfahren zum draht- und berührungslosen Energie- und Datentransport und zugehörige Vorrichtung A method for wireless and contactless energy and data transport and associated apparatus |
| 03/10/2004 | EP1397028A1 Ballast for a plurality of discharge lamps |
| 03/10/2004 | EP1269601B1 Electric suspended conveyor with contactless energy transmission |
| 03/10/2004 | CN2606436Y Low-loss inductive ballast |
| 03/04/2004 | WO2003100797A3 Method and device for installing and removing a current transformer |
| 03/04/2004 | US20040041678 Metalized polyester film with heat-seal layer on opposite side for flyback transformer application |
| 03/04/2004 | US20040041675 Ignition coil module |
| 03/03/2004 | EP1394823A1 Current transformer for tripping magnet |
| 03/03/2004 | EP1394822A2 Method of transferring power and/or data streams to an underwater vehicle |
| 03/03/2004 | EP0886363B1 Power source apparatus |
| 03/03/2004 | CN1479519A Colour television environmental protection energy saving and service life prolonging technology |
| 03/02/2004 | US6700471 Fixing device of current transformer |
| 03/02/2004 | US6700470 Ignition apparatus having increased leakage to charge ion sense system |
| 03/02/2004 | US6700317 Spark plug for an internal combustion engine and manufacturing method of the same |
| 03/02/2004 | US6698411 Ignition device for internal combustion engine |
| 02/26/2004 | WO2004017340A1 Reactor core for a non-linear core-type reactor and method for the production thereof |
| 02/26/2004 | WO2003096512A3 Contact-less power transfer |
| 02/26/2004 | US20040036461 Switchgear and relaying configuration |
| 02/26/2004 | DE10237255A1 Transformatorspule Transformer coil |
| 02/25/2004 | EP1391901A1 Internal combustion engine ignition coil, and method of producing the same |
| 02/25/2004 | CN2604766Y Dry type high-voltage current mutual inductor |
| 02/25/2004 | CN1139947C Ballast for discharge lamp and method and apparatus for mfg. same |
| 02/24/2004 | US6696925 Electrical revenue meter and instrument transformers mobile station |
| 02/24/2004 | US6694958 Ignition device for internal combustion engine |
| 02/19/2004 | WO2003096139A3 Connecting cable for contactless data and power transmission |
| 02/19/2004 | WO2003094364A3 High current inductive coupler and current transformer for power lines |
| 02/19/2004 | US20040032752 Flyback converter |
| 02/19/2004 | US20040031620 Corona-resistant wire |
| 02/19/2004 | DE10239114A1 Prüfschaltung für eine Zündspule und Verfahren zum Prüfen einer Zündspule Test circuit for an ignition coil and method for testing an ignition coil |
| 02/18/2004 | EP1389079A1 Apparatus for contactless power transfer for implantable medical device |