| Patents for H01F 38 - Adaptations of transformers or inductances for specific applications or functions (13,550) |
|---|
| 10/30/2002 | EP1253695A2 System for wireless transmission of electrical power and signals and system of garments |
| 10/30/2002 | EP1253606A1 Stick-type ignition coil having improved structure against crack or dielectric discharge |
| 10/30/2002 | EP0873568B1 Ballast for discharge lamp and method and apparatus for manufacturing the same |
| 10/29/2002 | US6472791 Envelope for slip-ring contacting members in high-power rotary current collector system |
| 10/29/2002 | US6470845 Spark plug for internal combustion engine |
| 10/24/2002 | US20020154518 System for wireless transmission of electrical power, a garment, a system of garments and method for the transmission of signals and/or electrical energy |
| 10/24/2002 | US20020153986 Transformer for ignitor |
| 10/24/2002 | DE10119283A1 System for wireless transmission of electric power, item of clothing, a system of clothing items and method for transmission of signals and/or electric power |
| 10/23/2002 | CN2518201Y C-type iron-core leakage ballast for gas discharge lamp |
| 10/23/2002 | CN2518200Y Special energy saving transformer of walking beam type pumping unit |
| 10/23/2002 | CN1376360A A high voltage transformer |
| 10/22/2002 | US6469608 Stress releasing member separated from insulating resin to allow the positioning member to move with the central core, thereby minimizing cracks which will occur in the insulating resin |
| 10/22/2002 | US6469414 Slip-ring mounting assembly for high-power rotary current collector system |
| 10/22/2002 | US6469371 Non-contact type IC card and process for manufacturing same |
| 10/16/2002 | CN2517221Y Series resonance transformer for neon lamp |
| 10/16/2002 | CN1092858C Charging system for motor-driven vehicle |
| 10/15/2002 | US6465926 Cleaning/cooling of high-power rotary current collector system |
| 10/10/2002 | DE10112892A1 Device for transferring data in system for contactless inductive energy transfer uses primary current conductor with inductive coupling in and out of data to transfer data in addition to energy |
| 10/09/2002 | CN2515781Y Combined transformer |
| 10/09/2002 | CN2515780Y Current transformer |
| 10/09/2002 | CN2515779Y Tramsformer low voltage double-pipe current transformer |
| 10/09/2002 | CN1373484A Threephase common-box current transformer |
| 10/09/2002 | CN1373482A Electromagnetic coil |
| 10/08/2002 | US6462509 Non-contact charger |
| 10/03/2002 | US20020140375 High-power electronic ballast for fluorescent lamp |
| 10/01/2002 | US6459350 Diode-split high-voltage transformer |
| 10/01/2002 | US6459349 Circuit breaker comprising a current transformer with a partial air gap |
| 10/01/2002 | US6457464 High pulse rate spark ignition system |
| 10/01/2002 | US6457229 Ignition device for internal combustion engine |
| 09/26/2002 | DE10160860A1 Current converter, preferably for circuit breaker, has U-shaped windings with parallel inner/outer arms, bridge covering one end, longer arm bent over other end, joined to next winding |
| 09/26/2002 | DE10110475A1 Übertrager für einen Stromsensor Transformer for a current sensor |
| 09/26/2002 | DE10107577A1 Drehübertrager Rotary transformer |
| 09/25/2002 | EP0917718B1 Method of production of a winding, particularly of a winding for a high-voltage ignition coil circuit |
| 09/25/2002 | CN1371107A Winder |
| 09/24/2002 | US6456509 Power loss of switching power supply circuit for supplying constant voltage |
| 09/24/2002 | US6456181 Ignition coil |
| 09/24/2002 | US6456021 Rotating variable frequency transformer with high voltage cables |
| 09/20/2002 | WO2001071882A1 Electric suspended conveyor with contactless energy transmission |
| 09/19/2002 | US20020132589 Rotary non-contact connector and non-rotary non-contact connector |
| 09/19/2002 | US20020131223 Current sensor supporting structure |
| 09/19/2002 | US20020130649 Frequency converter system having a damper device with a general complex impedance for damping undesirable resonant oscillations in a tuned circuit formed by at least one input-side inductance and parasitic distributed capacitances |
| 09/19/2002 | US20020130642 Inductive coupling system with capacitive parallel compensation of the mutual self-inductance between the primary and the secondary windings |
| 09/19/2002 | DE10209539A1 Elektrische Leistungsübertragungs- und Signalaustauschvorrichtung eines Lenkrads Electric power transmission and signal exchange device of a steering wheel |
| 09/19/2002 | DE10155450A1 Drehstromtransformator vom Baugruppentyp Three-phase transformer package type |
| 09/19/2002 | DE10104020A1 System for contactless transmission of electric energy between stationary car part and linearly moving car part |
| 09/18/2002 | EP1241058A2 Rotary non-contact connector and non-rotary non-contact connector |
| 09/18/2002 | EP0862807B1 Restrain coil for ignition systems |
| 09/18/2002 | CN2512196Y Portable X-ray unit with integrated transformer |
| 09/12/2002 | WO2002071423A1 Inductive coupling system with capacitive parallel compensation of the mutual self-inductance between the primary and the secondary windings |
| 09/12/2002 | WO2002071081A1 Transformer for a current sensor |
| 09/12/2002 | US20020125978 Three-phase current transformer |
| 09/12/2002 | US20020125061 Steering wheel electrical power transmission and signal exchange device |
| 09/11/2002 | EP1239578A2 Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components |
| 09/11/2002 | CN1090866C High-voltage transformer for television receiver |
| 09/10/2002 | US6449178 Magnetron drive step-up transformer and transformer of magnetron drive power supply |
| 09/10/2002 | US6448878 Ignition coil assembly |
| 09/05/2002 | US20020121954 Ignition coil device for engine |
| 09/05/2002 | US20020121948 Circuit breaker comprising a current transformer with a partial air gap |
| 09/05/2002 | US20020121417 System for transmitting energy and/or data between a vehicle body and a removable part |
| 09/03/2002 | US6445270 Electromagnetic induction connector |
| 09/03/2002 | US6443137 Method of producing spark ignition assembly with integral spark plug and ignition coil |
| 08/29/2002 | WO2002067276A1 Rotary transformer |
| 08/29/2002 | US20020118004 System for wirelessly supplying a large number of actuators of a machine with electrical power |
| 08/29/2002 | US20020117896 Feeder apparatus |
| 08/29/2002 | US20020117320 Coil of inductive charging paddle |
| 08/29/2002 | DE10122104C1 Lichtbogenschweißgerät mit HF-Sperrdrossel und zusätzlicher Sekundärwicklung Arc welding equipment with RF blocking reactor and additional secondary winding |
| 08/28/2002 | CN1366315A Flyback transformer with focusing and brightness regulating interface |
| 08/28/2002 | CN1366314A Leakage magnetic type power conversion transformer |
| 08/28/2002 | CN1089979C Flyback scanning transformer driver for video display apparatus |
| 08/28/2002 | CN1089978C Resistor-printed board built in flyback transformer for video display appliance |
| 08/27/2002 | US6441605 Current sensor for an electrical device |
| 08/22/2002 | WO2002065493A1 Noncontact coupler |
| 08/21/2002 | EP1233431A1 A coil winding and machine |
| 08/21/2002 | CN2507116Y Voltage mutual inductor for voltage trolley |
| 08/20/2002 | US6437675 Linear coil acoustic noise inhibiting |
| 08/20/2002 | US6437555 Inductive sensor for measuring a current in a conductor |
| 08/20/2002 | US6437516 Unsaturating transformer, an electronic ballast using the transformer, and a self-ballasted |
| 08/20/2002 | US6437472 Apparatus for wireless transfer of power to a rotating element |
| 08/15/2002 | WO2002063644A1 Arrangement for assembling an electrically conductive rod that passes straight through a metal tank and a method of implementing same |
| 08/14/2002 | EP1231099A2 Method for transmitting power and/or data between a vehicle body and a removable element |
| 08/14/2002 | DE10103280A1 Anordnung zum kontaktlosen Übertragen von elektrischer Energie zwischen gegeneinander linear bewegbaren Fahrzeugteilen Arrangement for contactless transmission of electrical energy between mutually linearly movable vehicle parts |
| 08/14/2002 | CN2505970Y Contravarient electric welder output reactor |
| 08/13/2002 | US6433663 High voltage transformer arrangement |
| 08/08/2002 | US20020105343 System for a machine having a large number of proximity sensors, as well as a proximity sensor, and a primary winding for this purpose |
| 08/07/2002 | EP1229619A2 Ignition coil with primary winding release |
| 08/07/2002 | CN2504826Y Filter preventing electromagnetic interference |
| 08/07/2002 | CN2504743Y 10KV outdoor dry type three-phase five-column voltage mutual-inductor |
| 08/07/2002 | CN1362770A Contactless charger |
| 08/06/2002 | US6430223 Motion prediction apparatus and method |
| 08/06/2002 | US6429639 Combined filter inductor and hall current sensor |
| 08/06/2002 | US6427673 Ignition coil assembly |
| 08/01/2002 | WO2002059920A1 Coil and method for making same |
| 08/01/2002 | US20020101315 Ignition coil with primary winding release |
| 08/01/2002 | DE10102367A1 Datenübertragungseinrichtung zur galvanisch getrennten Signalübertragung und Verwendung der Einrichtung Data transmission means for electrically isolated signal transfer and use of the device |
| 07/31/2002 | EP1078557B1 Dimming ballast and drive method for lamps using a frequency controlled, loosely-coupled transformer |
| 07/31/2002 | CN2503586Y 10KV outdoor dry-type combined mutual inductor |
| 07/31/2002 | CN2503585Y 66 KV indoor, outdoor dry-type current transformer |
| 07/31/2002 | CN2503584Y 35 KV outdoor dry-type current transformer |
| 07/31/2002 | CN2503492Y Current transmitter |
| 07/30/2002 | US6426874 Semiconductor device mounting structure and feeding-side charger with heat radiating unit |