| Patents for H01F 38 - Adaptations of transformers or inductances for specific applications or functions (13,550) |
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| 02/25/2009 | CN100464381C Current transformer |
| 02/19/2009 | WO2009021390A1 A detection device of shunt lead and a detection method thereof |
| 02/19/2009 | WO2009000622A3 Measuring transducer arrangement with multiple secondary circuits |
| 02/19/2009 | US20090045681 Energy Transmission Device |
| 02/19/2009 | DE112007000624T5 Kernbefestigungselement und seine Konstruktion Core fastener and its construction |
| 02/18/2009 | EP2025204A2 Wireless inductive coupling assembly for a heated glass panel |
| 02/18/2009 | CN201197216Y Transformer and light tube driving device using the same |
| 02/18/2009 | CN201197215Y Current balancing apparatus and multi-light tube backlight module |
| 02/18/2009 | CN201196906Y Transformer |
| 02/18/2009 | CN101369485A Production method of high-impedance and high-sensibility zero-sequence current transformer |
| 02/18/2009 | CN101369484A Non-contact type current/voltage converter |
| 02/17/2009 | US7492247 Transmitter head and system for contactless energy transmission |
| 02/17/2009 | US7492162 Inverter system |
| 02/12/2009 | US20090039145 Stock prodder |
| 02/12/2009 | DE102008040146A1 Zündspule Ignition coil |
| 02/12/2009 | DE102007037635A1 Transformer i.e. ignition transformer, for discharge lamp i.e. high pressure discharge lamp, has connecting element formed as contact projection or contact recess that contacts with contact element of lamp socket |
| 02/11/2009 | EP2023275A1 Radio frequency ic device and composite component for radio frequency ic device |
| 02/11/2009 | EP1668756A4 Distributed floating series active impedances for power transmission systems |
| 02/11/2009 | CN101364747A Contactless power supply device |
| 02/11/2009 | CN101364477A Combined transformers for metering capable of theft-resisting |
| 02/11/2009 | CN101364476A Wire type three phase combined mutual-inductor |
| 02/11/2009 | CN101364475A Closed-loop control method and apparatus enhancing dynamic performance of optical fiber current mutual inductor |
| 02/11/2009 | CN101364474A Air-actuated energizing apparatus for current mutual inductor |
| 02/11/2009 | CN101364473A External insulator for mutual-inductor |
| 02/11/2009 | CN101363876A Current inductor and iron core group thereof |
| 02/10/2009 | US7489219 Power inductor with reduced DC current saturation |
| 02/10/2009 | US7487767 Ignition coil for use in engine and engine having plastic cylinder head cover |
| 02/05/2009 | WO2009016298A1 Ignition coil provided with means for lowering a magnetic circuit to a low potential |
| 02/05/2009 | WO2009015745A1 Inductive plug-type connection transformer |
| 02/05/2009 | US20090033452 Ignition coil |
| 02/05/2009 | US20090033451 Ignition coil |
| 02/04/2009 | CN201191938Y Electronic positioner capable of matching various fluorescent lamp tube |
| 02/04/2009 | CN201191563Y Straight-through current transformer suitable for high-voltage solid soft starting cabinet |
| 02/04/2009 | CN201191562Y Multifunction current mutual inductor |
| 02/04/2009 | CN201191561Y High-stable voltage mutual inductor |
| 02/04/2009 | CN201191560Y 变压器 Transformer |
| 02/04/2009 | CN201191546Y High intensity insulated connecting rod |
| 02/04/2009 | CN101359531A Transformer and lamp tube driving circuit using the transformer |
| 02/04/2009 | CN100459380C Low harmonic rectifier circuit |
| 02/03/2009 | US7486082 Anomaly detection in inverter system |
| 01/29/2009 | US20090026844 Power transmission control device, power transmission device, electronic instrument, and non-contact power transmission system |
| 01/29/2009 | DE102007034173A1 Energieaufnahme kontaktloser Datenträger Energy intake contactless data carriers |
| 01/28/2009 | EP2019181A2 System for inductive signal transfer |
| 01/28/2009 | CN201188352Y Mutual-inductor and protecting equipment |
| 01/28/2009 | CN201188338Y Hollow coil structured by multiple layer mirrorimage wiring printed circuit board |
| 01/28/2009 | CN101354957A Large-capacity double-body pressure-regulating phase-shifting transformator |
| 01/28/2009 | CN101354956A Large-capacity double-body phase-shifting transformator |
| 01/22/2009 | WO2009010493A1 Transformer arrangement of a metal-encapsulated, gas-insulated switchgear, and corresponding switchgear |
| 01/22/2009 | WO2009010003A1 Power coupler |
| 01/21/2009 | EP2017860A2 Coil unit and electronic instrument |
| 01/21/2009 | EP2016653A1 Ignition coil for an internal combustion engine, in particular of a motor vehicle |
| 01/21/2009 | CN201185499Y AC magnetic controlled power regulation inductance ballast |
| 01/21/2009 | CN201185355Y High voltage line induction electricity-taking apparatus |
| 01/21/2009 | CN201185346Y Lightning-proof device for power supply |
| 01/21/2009 | CN201185128Y Wideband high voltage intelligent resistance type voltage and current combined sensor |
| 01/21/2009 | CN101350247A Outdoor dry-type voltage transformer for electric locomotive |
| 01/21/2009 | CN100454453C Low-power electronic current mutual inductor |
| 01/21/2009 | CN100453899C Lighting apparatus for discharge lamp |
| 01/15/2009 | WO2008144166A3 Light weight automotive hid igniter |
| 01/15/2009 | US20090015234 Full wave linear power supply voltage boost circuit |
| 01/15/2009 | DE102007032643A1 Vorrichtung zur berührungslosen Leistungsübertragung, Verfahren zur Übermittlung eines Datensignals und Anlage zur berührungslosen Leistungsübertragung an bewegliche Verbraucher Device for contactless power transmission method for transmitting a data signal and system for contactless power transfer to mobile consumers |
| 01/14/2009 | EP2015424A2 Coil unit and electronic instrument |
| 01/14/2009 | EP2015321A1 Magnetic core for current transformer, current transformer, and watt-hour meter |
| 01/14/2009 | EP2015320A1 Current transformer for power supply and method for manufacturing the same |
| 01/14/2009 | EP2013885A1 Ignition coil for an internal combustion engine, in particular of a motor vehicle in particular |
| 01/14/2009 | CN201181644Y Current mutual inductor wire stand and flexible wire structure |
| 01/14/2009 | CN201181643Y Novel current mutual inductor |
| 01/14/2009 | CN101345128A High potential side energy supplying device of active electronic type photoelectric current mutual inductor |
| 01/14/2009 | CN101345127A Capacitive electromagnetic potential transformer used in power system |
| 01/14/2009 | CN101345126A Current transformer for power supply and method for manufacturing the same |
| 01/14/2009 | CN101345114A Inductance coupling coil and inductance coupling plasma apparatus using the same |
| 01/14/2009 | CN101344539A 1000kV electromagnetic accurate voltage mutual inductor for magnitude tracing |
| 01/14/2009 | CN100452614C Induction powered apparatus for overhead high tension transmission lines |
| 01/14/2009 | CN100452086C Three dimensional information detector, three dimensional information detecting sensor device and three dimensional information indicator |
| 01/08/2009 | WO2008134889A4 Ultra high speed signal transmission/reception |
| 01/08/2009 | US20090009275 Ignition coil |
| 01/08/2009 | US20090009274 Short-circuit indicator for electrical lines for power distribution |
| 01/08/2009 | US20090009007 Product including power supply circuit board |
| 01/08/2009 | US20090008994 Inductive coupling method for remote powering of sensors |
| 01/08/2009 | DE102007029775A1 Messwandleranordnung mit mehreren Sekundärkreisen Transducer arrangement with several secondary circuits |
| 01/07/2009 | EP2011374A1 Superimposed-type device for a ballast |
| 01/07/2009 | EP1682222B1 External power source for an implantable medical device having an adjustable magnetic core and system and method related therefore |
| 01/07/2009 | CN201178026Y Casting type voltage mutual inductor for locomotive |
| 01/07/2009 | CN101339845A Dissembling fixture of conductive tube |
| 01/07/2009 | CN101339844A Mounting and regulating fixture of transducer epoxy tube flange |
| 01/07/2009 | CN101339843A Secondary patch board dismounting fixture of transducer |
| 01/06/2009 | US7474819 Contactless connector |
| 01/01/2009 | US20090001932 Power transmission control device, power transmission device, non-contact power transmission system, and electronic instrument |
| 01/01/2009 | US20090001818 Power transmission control device, power transmission device, electronic instrument, and non-contact power transmission system |
| 01/01/2009 | US20090001817 Single Coil Pair, Multiple Axis Inductive Power Coupling Apparatus and Method |
| 12/31/2008 | WO2009000622A2 Measuring transducer arrangement with multiple secondary circuits |
| 12/31/2008 | WO2009000159A1 Low energy-consuming series current transformer for 1-1000 kv transformer detect |
| 12/31/2008 | EP2009963A1 Discharge lamp operating system |
| 12/31/2008 | EP2009754A1 Pencil ignition coil and boot |
| 12/31/2008 | EP2009651A1 High-voltage transformer |
| 12/31/2008 | EP2009650A1 High-voltage transformer |
| 12/31/2008 | CN201174857Y Shielding cover |
| 12/31/2008 | CN201174812Y Heat initiator of ultraviolet lamp tube |
| 12/31/2008 | CN201174582Y Motor protection controller and transducer |
| 12/31/2008 | CN201174318Y Small change current transformer for SF6 inflating cabinet |