| Patents for H01F 38 - Adaptations of transformers or inductances for specific applications or functions (13,550) |
|---|
| 04/30/1997 | CN2253516Y Polytropic ratio metering current transformer for avoiding or indicating fraudulent use of electricity |
| 04/30/1997 | CN2253515Y Dynamic focusing interference preventer of kickback transformer |
| 04/23/1997 | CN2253043Y Format arc lamp fire resistance ballast |
| 04/22/1997 | US5622157 Ignition apparatus for internal combustion engine and manufacturing method thereof |
| 04/17/1997 | WO1997014171A1 Coil winding structure of flyback transformer |
| 04/17/1997 | WO1997014170A1 Coil winding structure of flyback transformer |
| 04/16/1997 | EP0768684A2 Current transformer with annular core to be built in a metal cast high-tension switchgear installation |
| 04/16/1997 | EP0727105A4 Inductive power pick-up coils |
| 04/16/1997 | CN2252475Y Fluorescent lamp multi-lamp instantaneous start power source structure |
| 04/16/1997 | CN2252073Y Portable miniature DC electric welder |
| 04/10/1997 | WO1997013259A1 Magnetic core-coil assembly for spark ignition systems |
| 04/10/1997 | WO1997012783A2 Inductive electric energy and data transmission process |
| 04/10/1997 | DE19538528A1 Vorrichtung zur induktiven Übertragung elektrischer Energie und von Daten Device for inductive transmission of electrical power and data |
| 04/09/1997 | CN2251784Y Three-phase ac electric welder |
| 04/08/1997 | US5619400 Magnetic core structures and construction techniques therefor |
| 04/02/1997 | CN1146687A Flyback scanning transformer driver for video display apparatus |
| 04/01/1997 | US5615659 Ignition apparatus for internal combustion engine |
| 03/27/1997 | DE19535551A1 Measurement transformer arrangement with shunt |
| 03/25/1997 | CA2102466C High-frequency power unit for neon tubes |
| 03/20/1997 | WO1997010608A1 Ballast for discharge lamp and method and apparatus for manufacturing the same |
| 03/20/1997 | DE19534560A1 Toroidal core current transformer esp. for three=phase current transformer design |
| 03/20/1997 | DE19534043A1 Surgical machine with inductively stored electric energy driven electric motor |
| 03/19/1997 | CN2249955Y Transformer casings with current mutual-inductor |
| 03/13/1997 | WO1997009201A1 Device for the contactless transfer of signals between two vehicle parts mounted to rotate with respect to each other |
| 03/12/1997 | EP0762807A2 Circuit for operating glow discharge lamps |
| 03/12/1997 | EP0762445A2 Slant winding electromagnetic coil and ignition coil for internal combustion engine using same |
| 03/12/1997 | CN1145117A DC and AC current sensor having a minor-loop orperated current transformer |
| 03/06/1997 | DE19532296A1 Anordnung zum kontaktlosen Übertragen von Signalen zwischen zwei gegeneinander drehbar gelagerten Fahrzeugteilen Arrangement for contactless transmission of signals between two mutually rotatably mounted vehicle parts |
| 03/06/1997 | DE19532197A1 Measurement transformer for electric motor or incandescent lamp supply with over-current detection |
| 03/06/1997 | DE19532043A1 Motor vehicle steering wheel design for airbag system |
| 03/05/1997 | EP0561839B1 High-voltage transformer |
| 03/05/1997 | CN2248915Y Flyback transformer |
| 03/05/1997 | CN2248914Y High precision non-compensation mutual inductor |
| 03/04/1997 | US5608771 Contactless power transfer system for a rotational load |
| 03/04/1997 | US5608370 Rotary transformer and method for fabricating the same |
| 02/27/1997 | WO1997007487A1 Arrangement for the contactless transmission of signals between a fixed and a rotary vehicle component |
| 02/27/1997 | WO1997006976A1 Arrangement for the contactless transmission of an air-bag release signal |
| 02/26/1997 | CN2248381Y Kickback transformer for television |
| 02/26/1997 | CN2248380Y Current mutual inductor with function of on-line detection |
| 02/26/1997 | CN1143853A Plasma-arc power supply apparatus |
| 02/26/1997 | CN1143818A Ignition apparatus for internal combustion engine |
| 02/26/1997 | CN1143817A Electromagnetic coil and manufacturing apparatus for the same |
| 02/20/1997 | DE19530589A1 Anordnung zum kontaktlosen Übertragen eines Airbag-Auslösesignals Arrangement for contactless transmission of an airbag triggering signal |
| 02/19/1997 | CN2247862Y Transformer with magnetic material protection case capable of using as low voltage windings |
| 02/19/1997 | CN2247860Y Fastener for output signal line of flyback transformer |
| 02/19/1997 | CN2247859Y Flyback transformer tapped connecting focussing resistance part |
| 02/18/1997 | US5603307 Ignition coil for internal combustion engine |
| 02/13/1997 | DE19529528A1 Anordnung zum kontaktlosen Übertragen von Signalen zwischen einem feststehenden und einem drehbar gelagerten Fahrzeugteil Arrangement for contactless transmission of signals between a fixed and a rotatably mounted vehicle part |
| 02/11/1997 | US5602714 Ignition coil for internal combustion engine |
| 02/11/1997 | US5602519 Synchronous cable coupling device of fly back transformer |
| 02/06/1997 | WO1997004470A1 Ignition coil arrangement for a multi-cylinder internal combustion engine |
| 02/05/1997 | EP0757442A2 Ignition coil driver module |
| 02/05/1997 | EP0757365A2 Integrated transformer having functions of receiving and transforming equipment |
| 02/05/1997 | EP0757177A2 Ignition system of internal combustion engine |
| 02/05/1997 | CN2246844Y New single-phase 220V AC arc welding transformer |
| 02/05/1997 | CN1142116A Functional transformer for combined current-collecting-transforming equipment |
| 02/05/1997 | CN1142009A Ignition coil for use in IC. engine |
| 02/04/1997 | US5600225 Noncontacting charging device |
| 02/04/1997 | US5600222 Thermal management using a hybrid spiral/helical winding geometry |
| 01/29/1997 | EP0756154A2 Resolver without slipring |
| 01/28/1997 | US5598134 Electromagnetic power supplying apparatus for electric motor vehicle |
| 01/28/1997 | CA2150953C Flexible transformer apparatus particularly adapted for high voltage operation |
| 01/23/1997 | DE19526867A1 Zündspulenanordnung für Mehrzylinder-Brennkraftmaschinen Ignition coil for multi-cylinder internal combustion engines |
| 01/22/1997 | EP0755062A1 Encapsulated voltage transformer device for switching arrangements with several installation unit members |
| 01/22/1997 | EP0755061A1 Single-pole voltage transformer |
| 01/22/1997 | EP0755060A1 Magnetic core structure and construction techniques therefor |
| 01/22/1997 | CN1140952A High-voltage transformer for television receiver |
| 01/22/1997 | CN1140798A Ignition apparatus for internal combustion engine |
| 01/21/1997 | US5596467 Electrical energy-transforming equipment |
| 01/14/1997 | US5594402 High voltage isolating transformer module |
| 01/14/1997 | US5594317 Inductive charger field shaping using nonmagnetic metallic conductors |
| 01/14/1997 | US5594315 Liquid cooled metallic inductive probe for high power charging |
| 01/09/1997 | DE19622667A1 IC engine ignition device with switched induction coil |
| 01/08/1997 | CN2244451Y Three-phase constant current energy-saving ac arc welder |
| 01/01/1997 | CN2244247Y Resonance eliminating and anti-earthing voltage mutural inductor |
| 01/01/1997 | CN2244246Y Independent sulfur hexafluoride mutural inductor |
| 01/01/1997 | CN1139335A Resistor-printed board built in flyback transformer for video display appliance |
| 12/27/1996 | EP0750382A2 Current detecting device for mounting on a current-carrying conductor |
| 12/27/1996 | EP0750324A2 Electromagnetic coil and manufacturing apparatus for the same |
| 12/27/1996 | EP0750323A1 Fa connector and work pallet using it |
| 12/25/1996 | CN2243711Y Composite cushion reductive ballast |
| 12/25/1996 | CN2243709Y Energy saving electric welder |
| 12/24/1996 | US5587859 Recording and/or reproducing apparatus having rotary transformer |
| 12/18/1996 | EP0749190A2 Interconnection system for electrical systems having differing electrical characteristic |
| 12/18/1996 | EP0748471A1 An electrically controllable inductor |
| 12/18/1996 | EP0748451A1 Dc and ac current sensor having a minor-loop operated current transformer |
| 12/18/1996 | CN2243116Y Capacitor fixing device for focusing of flyback transformer |
| 12/18/1996 | CN1138387A Device for mounting a flexible cable in a cylindrical sleeve, and high-voltage tranformer comprising same |
| 12/17/1996 | US5585773 Ignition coil for internal combustion engine |
| 12/11/1996 | EP0748024A1 Direct-acting non-contact feeder |
| 12/11/1996 | CN2242512Y Resin casting type current transformer |
| 12/11/1996 | CN1137682A Ignition device for internal icombustion engine |
| 12/10/1996 | US5583732 Modular current transformer for electronic circuit interrupters |
| 12/10/1996 | US5583429 Current detection device |
| 12/05/1996 | WO1996038898A1 Power source apparatus |
| 12/05/1996 | WO1996038849A1 High voltage isolating transformer module |
| 12/04/1996 | EP0746002A2 A transformer for the measurement of current in high-voltage supply networks |
| 12/03/1996 | CA2082112C Current ratio device and toroidal core assembly therefor |
| 12/01/1996 | CA2176469A1 Differential transformer correction by compensation |
| 11/27/1996 | CN1136701A Igniting device for IC engine |