| Patents for H01F 38 - Adaptations of transformers or inductances for specific applications or functions (13,550) |
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| 08/15/2000 | US6104585 Protection circuit for tap-grounded leakage transformer |
| 08/15/2000 | US6104278 Universal anti-theft device and method for producing it |
| 08/09/2000 | EP1026394A2 Ignition coil for internal combustion engine |
| 08/09/2000 | CN2391289Y Electric current mutual inductor |
| 08/08/2000 | US6100786 Focus unit of fly back transformer |
| 08/08/2000 | US6100781 High leakage inductance transformer |
| 08/02/2000 | EP1023737A1 Electric power transmission device |
| 08/01/2000 | US6095125 Ignition system having ignition coil |
| 07/26/2000 | EP1022749A1 Electrostatic capacitive divided-voltage transformer |
| 07/26/2000 | CN2389374Y Electric capacity and electromagnetism combined type high-voltage signal sensor |
| 07/26/2000 | CN1054961C Sealing device |
| 07/25/2000 | US6094124 Ballast for discharge lamp and method and apparatus for manufacturing the same |
| 07/25/2000 | US6094122 Mechanical locking connection for electric terminals |
| 07/25/2000 | US6094121 Engine igniting coil device |
| 07/25/2000 | US6094017 Dimming ballast and drive method for a metal halide lamp using a frequency controlled loosely coupled transformer |
| 07/20/2000 | WO2000042624A1 High-voltage transformer |
| 07/20/2000 | DE19962279A1 Ignition coil for internal combustion engine has outer aluminum or zinc metallic coating at least in some places on plastic part of housing |
| 07/19/2000 | EP1019924A1 Magnetic coupler and associated method for coupling conductors |
| 07/19/2000 | CN2388695Y Ring transformer for electric welder |
| 07/18/2000 | US6091779 Process for the wireless transmitting of energy and data |
| 07/18/2000 | US6089512 Track-guided transport system with power and data transmission |
| 07/18/2000 | US6089362 Non-contact power supply device and method for conveyor carriage |
| 07/13/2000 | DE10000604A1 Ignition coil containing primary and secondary windings in resin-filled casing also includes embedded insulating partition on top of windings to reduce shrinkage and thermal stressing, preventing insulation breakdown |
| 07/12/2000 | EP1018754A1 Diode-split high-voltage transformer |
| 07/12/2000 | CN1259747A Diode voltage dividing transformer |
| 07/11/2000 | US6088249 Frequency modulated ballast with loosely coupled transformer |
| 07/11/2000 | US6088183 Arcuate scan read/write assembly |
| 07/06/2000 | DE19927820C1 Rod ignition coil, especially for internal combustion engine, has cylindrical housing containing outer and coil bodies with primary and secondary windings, and central weakly magnetic core |
| 07/06/2000 | DE19900111A1 Diodensplitt-Hochspannungstransformator Diode split high-voltage transformer |
| 07/05/2000 | EP1016104A1 Transformer system provided with a decoupling system |
| 07/04/2000 | US6084381 Inductive charger coupling |
| 06/29/2000 | WO2000038202A1 Apparatus and method for transferring energy across a connectorless interface |
| 06/29/2000 | DE19958199A1 Electrical connector for producing solderless connection between coil and circuit board e.g. for motor vehicle anti-lock braking system, has coil body with protruding plastic stud, and pre-tinned coil wire section |
| 06/29/2000 | DE19860210A1 Stromwandler zum Einsatz in einer gasisolierten Schaltanlage Current transformer for use in a gas-insulated switchgear |
| 06/28/2000 | EP1014398A1 Current transformer for use in a gas insulated switchgear device |
| 06/28/2000 | EP1014397A1 High leakage inductor for a switched power converter |
| 06/28/2000 | EP1014250A2 Interactive display device |
| 06/28/2000 | EP1012899A1 Device for contactless transmission of electrical signals and/or energy |
| 06/28/2000 | EP1012474A1 Stick coil for ignition systems |
| 06/28/2000 | CN2385419Y High efficiency electronic power supply transformer for neon lamp |
| 06/28/2000 | CN2385338Y Current transformer with state indicating device capable of avoiding fraudulent use |
| 06/28/2000 | CN1053989C Flyback transformer device and process for preparing same |
| 06/21/2000 | EP1011187A1 Device for non-contact, inductive transmission of energy |
| 06/21/2000 | EP1010229A1 Inductive power transfer across an extended gap |
| 06/21/2000 | EP1010014A2 Magnet core |
| 06/21/2000 | DE19856937A1 Anordnung zur berührungsfreien induktiven Übertragung von Energie Arrangement for the contactless inductive transfer of energy |
| 06/21/2000 | CN2384301Y Demould type ballast for lamp |
| 06/21/2000 | CN1257603A Ignition coil unit for engine and engine provided with plastic head cover |
| 06/14/2000 | CN1256541A Electromagnetic energy-absorbing thunder eliminator |
| 06/13/2000 | US6075433 Power supply unit |
| 06/13/2000 | US6075431 Converter transformer |
| 06/07/2000 | CN2382111Y Mutual inducer with protector |
| 06/07/2000 | CN2382110Y 多功能变压器 Multifunction transformer |
| 06/07/2000 | CN2381430Y Multifunctional D. C. arc welder |
| 06/07/2000 | CN1256007A Magnetic core-coil assembly for spark ignition systems |
| 06/07/2000 | CN1255583A Ignition coil assembly |
| 05/31/2000 | EP1005052A1 Method of assembling isolation transformer |
| 05/31/2000 | EP0988751A4 Coupler for transmitting signals across a rotating interface |
| 05/30/2000 | US6069549 Winding, particularly for a high-voltage ignition coil circuit |
| 05/25/2000 | WO2000030132A1 Magnetic core that is suitable for use in a current transformer, method for the production of a magnetic core and current transformer with a magnetic core |
| 05/25/2000 | WO2000030131A1 Magnetic core that is suitable for use in a current transformer, method for the production of a magnetic core and current transformer with a magnetic core |
| 05/24/2000 | EP1003185A2 Electromagnetic coil |
| 05/24/2000 | EP1002422A2 A high voltage transformer |
| 05/24/2000 | CN1052781C 点火线圈装置 Ignition coil device |
| 05/17/2000 | EP1000812A2 Non-conductor type signal transmission device |
| 05/17/2000 | EP1000450A1 Bushing-type current transformer for an air-insulated metal-encapsulated middle voltage switching station |
| 05/17/2000 | EP0910905B1 Device for transmitting and receiving digital data by electromagnetic induction and inductive coupling |
| 05/17/2000 | CN2378145Y Electric welder |
| 05/17/2000 | CN1253056A Output choking coil for use on D. C. welding machine and method for using same |
| 05/16/2000 | US6064581 High voltage transformer |
| 05/16/2000 | US6064291 Converter transformer |
| 05/16/2000 | US6064192 Revenue meter with integral current transformer |
| 05/10/2000 | EP0999565A1 Measuring transformer for measuring an electric current |
| 05/10/2000 | EP0999564A1 Output choke for a direct current welding device and method for adjusting the inductivity in the electrical output circuit of a direct current welding device |
| 05/10/2000 | EP0738419B1 Fractionated-rectification high-voltage transformer with grouped diodes |
| 05/10/2000 | CN2377660Y Dry transformer having metal attachment layer |
| 05/10/2000 | CN1052363C Horizontal linearity correction coil |
| 05/10/2000 | CN1052302C DC current sensor |
| 05/09/2000 | US6060973 Slant winding electromagnetic coil and ignition coil for internal combustion engine using same |
| 05/04/2000 | DE19850519A1 Ignition arrangement for internal combustion engine has noise suppression element as inductance that damps noise energy by AC impedance and is at least partly formed by winding wire |
| 05/03/2000 | CN2376662Y Current transformer |
| 05/03/2000 | CN2376661Y Current transformer |
| 05/03/2000 | CN2376660Y Power source transformer for air plasma cutting machine |
| 05/03/2000 | CN1052103C Trip device comprising at least one current transformer |
| 05/03/2000 | CN1052100C Current transformer for metal-enclosed gas-insulated high voltage installation |
| 05/02/2000 | US6055969 Igniter for internal combustion engine having outer packing case equipped with coil and igniter unit |
| 04/27/2000 | DE19950566A1 Ignition coil for i.c. engine ignition system has spring for biasing HV terminal into electrical contact with engine spark plug supported separate to HV terminal in HV housing |
| 04/27/2000 | DE19944061A1 Closed loop current transformer has bias adjustment circuit to control application of fixed operating voltage to the Hall element for adjusting the variation in the operation of the Hall element |
| 04/26/2000 | EP0995206A1 Diode-split high-voltage transformer |
| 04/26/2000 | CN2376055Y Gas insulating aluminium alloy testing transformer |
| 04/20/2000 | DE19847981A1 Pulse transformer for rapid current and magnetic field pulses e.g. for magnetic field concentrator, has tubular heavy current conductor carrying primary windings fitted with conductive collar projecting beyond primary winding diameter |
| 04/19/2000 | CN2374959Y Transformer of producing tiny voltage |
| 04/19/2000 | CN2374958Y 电流互感器 Current Transformer |
| 04/19/2000 | CN1051632C Transformer for spot-welding machine |
| 04/19/2000 | CN1051599C Slant winding electromagnetic coil and ignition coil for internal combustion engine using same |
| 04/18/2000 | US6052048 Method for mounting an electrical coil on a magnetic circuit with an air gap |
| 04/11/2000 | US6049567 Mode coding method in a binary shape encoding |
| 04/11/2000 | US6049191 Cooling structure for inductive charger coupling |
| 04/11/2000 | US6049163 Discharge lamp unit with RF shield primary coil |
| 04/11/2000 | US6047535 Method for contact-free energy and signal transmission on textile machines, especially twisting machines as well as device for performing the method |