| Patents for H01F 38 - Adaptations of transformers or inductances for specific applications or functions (13,550) |
|---|
| 02/18/2004 | CN1475809A Current transfermer system |
| 02/12/2004 | US20040025854 Ignition device for an internal combustion engine |
| 02/12/2004 | DE10234979A1 Inductance core has a ring shaped with a profiled radial slot produced in sintered material to produce a non linear characteristic |
| 02/11/2004 | EP1388988A2 Chip-scale coils and isolators based thereon |
| 02/11/2004 | EP1388869A2 Test circuit for ignition coil and method for testing an ignition coil |
| 02/05/2004 | DE10231510B3 IC engine ignition coil device has coil former or electrical insulator between wound coil former and outer mantle provided with sealing profile for preventing ingress of dirt or moisture |
| 02/05/2004 | DE10200488B4 Intelligenter Werkzeugkopf für den Einsatz in Werkzeugmaschinen Intelligent tool head for use in machine tools |
| 02/04/2004 | CN1472756A Assembled high-voltage current transformer |
| 02/03/2004 | US6686826 Transformer having stabilized power output |
| 02/03/2004 | US6686823 Inductive power transmission and distribution apparatus using a coaxial transformer |
| 01/29/2004 | WO2004010154A1 A voltage sensor for monitoring ac current |
| 01/28/2004 | EP1385360A1 Inverter system and fault current detection method therefor |
| 01/28/2004 | EP1385181A1 Resin composition and ignition coil device using the same |
| 01/22/2004 | US20040012987 Anomaly detection circuit of inverter and electronic apparatus comprising inverter incorporating the same |
| 01/22/2004 | US20040012473 Transformer having stabilized power output |
| 01/22/2004 | US20040012471 Rotary contactless connector and non-rotary contactless connector |
| 01/22/2004 | US20040012381 Inverter system |
| 01/22/2004 | DE10231205A1 Verfahren zum Bewickeln von Transformatoren Method for winding of transformers |
| 01/20/2004 | US6680665 Three-phase current transformer |
| 01/20/2004 | US6679236 Ignition system having a high resistivity core |
| 01/14/2004 | CN1468035A Transformer for high-frequency heating |
| 01/13/2004 | US6675786 Ignition coil assembly for engine |
| 01/13/2004 | US6675785 Ignition device for an internal combustion engine |
| 01/13/2004 | CA2134816C Auto-ignition detection method |
| 01/08/2004 | WO2004004118A1 Planar resonator for wireless power transfer |
| 01/08/2004 | US20040005809 Electromagnetic induction-type connector |
| 01/08/2004 | US20040004524 Reduction of capacitance effects in potential transformers |
| 01/08/2004 | US20040003492 Method for winding transformers |
| 01/08/2004 | DE10260622A1 Zündvorrichtung für eine innere Verbrennungskraftmaschine sowie dessen Herstellungsverfahren Ignition apparatus for an internal combustion engine and its production method |
| 01/08/2004 | DE10255096A1 Zündvorrichtung für eine innere Verbrennungskraftmaschine Ignition apparatus for an internal combustion engine |
| 01/07/2004 | CN2598113Y Flexible transformer |
| 01/07/2004 | CN2598112Y Transformer for starting lamp tube |
| 01/07/2004 | CN2597993Y Current adjustable high-voltage power metering box with intelligent lock |
| 01/07/2004 | CN1466156A Fly back transformer |
| 01/06/2004 | US6674356 Flyback transformer |
| 01/01/2004 | US20040000974 Planar resonator for wireless power transfer |
| 12/31/2003 | CN2596526Y Dry high voltage current mutual inductor |
| 12/31/2003 | CN2595506Y Multifunctional welding machine |
| 12/25/2003 | US20030234715 Ignition system coil assembly featuring flexible ring terminal interconnects |
| 12/25/2003 | US20030234714 Winding device and method for manufacturing the same |
| 12/25/2003 | US20030234698 Circuit component and transformer device with controllable impedance and with systems equipped with such devices |
| 12/24/2003 | DE20312503U1 Stabförmiger Zündübertrager Rod-shaped ignition transformer |
| 12/24/2003 | CN2594950Y Retrace transformer |
| 12/24/2003 | CN2594949Y 高压干式电流互感器 High-voltage dry-type current transformer |
| 12/24/2003 | CN1132201C Device for mounting flexible cable in cylindrical sleeve, and high-voltage transformer compring same |
| 12/24/2003 | CN1132200C Ignition coil bank-winding method |
| 12/18/2003 | WO2003105325A1 Dual shaft and rotating machine coupling |
| 12/18/2003 | WO2003105308A1 Planar inductive battery charger |
| 12/18/2003 | WO2003105306A1 Device for inductively transmitting electric power |
| 12/18/2003 | US20030230992 Fly back transformer |
| 12/18/2003 | US20030230294 Ignition coil assembly for engine |
| 12/18/2003 | US20030230293 Ignition apparatus for an internal combustion engine and a manufacturing method therefor |
| 12/18/2003 | US20030230292 Ignition apparatus for an internal combustion engine |
| 12/18/2003 | CA2490028A1 Device for inductively transmitting electric energy |
| 12/17/2003 | EP1372166A1 Instrument transformer for low voltage devices |
| 12/17/2003 | CN2593331Y High-voltage current mutual inductor |
| 12/17/2003 | CN2593330Y Three-phase arc-welding power source transformer |
| 12/17/2003 | CN2593324Y Ballast for packed high intensity gas discharge lamp |
| 12/17/2003 | CN1462455A Device for subcutaneous transfer or energy or data |
| 12/17/2003 | CN1131533C High-voltage transformer for TV. receiver |
| 12/16/2003 | US6663815 Method for producing inductive components |
| 12/16/2003 | US6662794 Ignition coil for internal combustion engine |
| 12/16/2003 | US6662742 Remote operated vehicles |
| 12/11/2003 | WO2003102981A1 Ignition coil |
| 12/11/2003 | WO2003102980A1 Step-up transformer |
| 12/11/2003 | US20030228188 Dual shaft and rotating machine coupling |
| 12/11/2003 | US20030227364 Power transforming apparatus with multiple parallel-connected transformers |
| 12/11/2003 | US20030227363 Method of manufacturing an inductor |
| 12/10/2003 | EP1369883A1 Ignition coil unit |
| 12/10/2003 | EP1368815A1 Inductive coupling system with capacitive parallel compensation of the mutual self-inductance between the primary and the secondary windings |
| 12/10/2003 | CN2591741Y Zero flux micro current sensor |
| 12/10/2003 | CN1461489A 变压器 Transformer |
| 12/10/2003 | CN1130920C Mode coding method in binary shape encoding |
| 12/10/2003 | CN1130737C Current transformer for gas-insulated switchgear |
| 12/09/2003 | US6661616 Head drum assembly and tape drive using the same |
| 12/09/2003 | US6661238 Abnormality diagnosis method and apparatus for separable transformer |
| 12/09/2003 | US6661187 Fly back transformer |
| 12/04/2003 | WO2003101169A1 Electronic device comprising a housing |
| 12/04/2003 | WO2003100797A2 Method and device for installing and removing a current transformer |
| 12/04/2003 | US20030222748 Construction of medium voltage power line data couplers |
| 12/04/2003 | US20030222747 Method and device for installing and removing a current transformer on and from a current-carrying power line |
| 12/04/2003 | US20030222746 Inverter transformer |
| 12/04/2003 | US20030222743 Ignition coil |
| 12/04/2003 | DE10225005C1 Inductive energy transmission device for moving load with inductive coupling used for energy transfer between successive conductor path sections |
| 12/03/2003 | EP1366371A1 Transformer for a current sensor |
| 12/03/2003 | CN2590141Y Inductance type blast |
| 12/03/2003 | CN2590140Y Resonance phase-shift type electric inductance ballast |
| 12/03/2003 | CN1459804A Corona-proof conductor |
| 12/02/2003 | US6657528 Slope gap inductor for line harmonic current reduction |
| 12/02/2003 | US6657351 Contactless energy transfer apparatus |
| 12/02/2003 | US6655368 Ignition coil assembly for engine |
| 11/27/2003 | WO2003079378A3 High impedance electrical transformer and manufacturing method |
| 11/27/2003 | US20030217741 Ignition apparatus for internal combustion engine |
| 11/26/2003 | CN2588506Y T-type transformer for electric furnace |
| 11/26/2003 | CN1458656A Isolated current transformer |
| 11/26/2003 | CN1129226C Switch power circuit and isolated variable transformer |
| 11/25/2003 | US6653922 Ignition coil |
| 11/25/2003 | US6651999 Module with an angle sensor technology, contactless energy transmission and contactless information transmission |
| 11/20/2003 | WO2003096512A2 Contact-less power transfer |
| 11/20/2003 | WO2003096361A1 Improvements relating to the transfer of electromagnetic power |