| Patents for H01F 38 - Adaptations of transformers or inductances for specific applications or functions (13,550) |
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| 08/26/2009 | CN101517666A An apparatus, a system and a method for enabling electromagnetic energy transfer |
| 08/26/2009 | CN101517664A Inductance assembly for an electric machine |
| 08/26/2009 | CN101517662A Ignition coil, in particular for an internal combustion engine of a motor vehicle |
| 08/26/2009 | CN101515519A Encapsulated pole unit conductor assembly for an encapsulated pole unit and medium voltage circuit interrupter including the same |
| 08/26/2009 | CN101515498A Inductance coupling coil and plasma processing device adopting same |
| 08/20/2009 | WO2009101405A2 Rotary transformer |
| 08/20/2009 | US20090206674 Medical instrument storage system |
| 08/20/2009 | US20090205621 Ignition coil with spring-loaded boltless mounting to spark plug |
| 08/19/2009 | EP2091054A2 An electromagnetic current limiter device |
| 08/19/2009 | EP1741113B1 A device and method of non-contact energy transmission |
| 08/19/2009 | CN201294366Y Creepage protector combining with power-supply plug |
| 08/19/2009 | CN201294154Y High-precise zero-sequence current transformer |
| 08/19/2009 | CN201294144Y High-voltage transformer for microwave oven |
| 08/19/2009 | CN201294143Y Microwave oven |
| 08/19/2009 | CN201294142Y 微波炉 Microwave |
| 08/19/2009 | CN201294141Y High-voltage transformer for microwave oven |
| 08/19/2009 | CN101512689A Lamp transformer |
| 08/19/2009 | CN100531275C Arrangement of an inductive coupler for power line communications |
| 08/19/2009 | CN100530461C Plug-in unit assembly comprising instrument transformers |
| 08/19/2009 | CN100530460C Ignition apparatus for an internal combustion engine |
| 08/19/2009 | CN100530457C Highly insulated inductive data couplers |
| 08/18/2009 | US7576514 Planar inductive battery charging system |
| 08/18/2009 | US7574998 Ignition apparatus for an internal combustion engine |
| 08/13/2009 | WO2009098790A1 Multi-output high frequency step-up transformer for fluorescent tube |
| 08/13/2009 | US20090199827 Flux director for ignition coil assembly |
| 08/13/2009 | DE19824642B4 Zündvorrichtung für einen Verbrennungsmotor An ignition apparatus for an internal combustion engine |
| 08/13/2009 | DE102008043528A1 Zündspule für eine Brennkraftmaschine Ignition coil for an internal combustion engine |
| 08/13/2009 | DE102005030890B4 Zündvorrichtung für eine Brennkraftmaschine An ignition apparatus for an internal combustion engine |
| 08/12/2009 | CN201289789Y Respiration bag for preventing silicon oil infiltration for dry-type current transformer |
| 08/12/2009 | CN201289788Y Defilement resistance loop of capacitor voltage transformer |
| 08/12/2009 | CN201289781Y Ultrathin small included angle chucking adjusting hoop for transformer air gap iron-core |
| 08/12/2009 | CN100526888C Differential current measuring apparatus, tripping device and switchgear |
| 08/11/2009 | US7573000 Power source for plasma device |
| 08/06/2009 | US20090195078 Inductive electric power structure and system |
| 08/06/2009 | US20090194084 Ignition coil |
| 08/05/2009 | EP2084724A2 Inductive rotary joint |
| 08/05/2009 | EP2084721A2 Shielded rogowski coil assembly and methods |
| 08/05/2009 | EP2084720A2 Split rogowski coil current measuring device and methods |
| 08/05/2009 | CN201286189Y Multiple strip lamp backlight apparatus and transformer thereof |
| 08/05/2009 | CN201285746Y Voltage mutual inductor built-in replacer special for high voltage fuse |
| 08/05/2009 | CN201285700Y Combined transformer |
| 08/05/2009 | CN201285699Y Electronic mutual inductor apparatus |
| 08/05/2009 | CN201285698Y Microcurrent transformer |
| 08/05/2009 | CN201285689Y High voltage transformer for micro-wave oven |
| 08/05/2009 | CN201285688Y High voltage transformer for micro-wave oven |
| 08/05/2009 | CN201285298Y Magnetic coupling apparatus of gas meter |
| 08/05/2009 | CN201283464Y Electricity saver for electric welding machine |
| 08/05/2009 | CN101501971A Synchronous motor, motor system and method for operating a motor system |
| 08/05/2009 | CN101500364A Discharge lamp driving apparatus and driving method |
| 08/05/2009 | CN101499683A Energy transmission apparatus and system |
| 08/05/2009 | CN101499365A Transformer, light tube driving device employing the same and its assembling method |
| 08/05/2009 | CN100524552C Electrical connecting high-voltage mutual inductor |
| 08/04/2009 | CA2619872A1 Methods and configurations of lc combined transformers and effective utilizations of cores therein |
| 07/31/2009 | CA2652113A1 Low bypass fine arrestor |
| 07/30/2009 | US20090189565 Contact-less power transfer |
| 07/30/2009 | US20090189458 Vehicle power supply apparatus and vehicle window member |
| 07/30/2009 | DE102008015437B3 Symmetrierungsanordnung für parallele Strombahnen Symmetrization arrangement for parallel current paths |
| 07/30/2009 | DE102007025421B4 Zündtransformator und Zündmodul Ignition transformer and ignition module |
| 07/29/2009 | EP2083430A2 Magnetic induction and energy storage system, apparatus and use thereof |
| 07/29/2009 | EP2083407A1 Device and method for contact-free energy and data transfer |
| 07/29/2009 | CN201282028Y Electronic type high voltage DC current transformer |
| 07/29/2009 | CN201282027Y Connection device for primary conductor of current transformer |
| 07/29/2009 | CN201282026Y Novel 110kV oil immersion type current transformer zero screen device |
| 07/29/2009 | CN201282025Y Open/close current transformer |
| 07/29/2009 | CN201282024Y Oil immersion inversion type current transformer |
| 07/29/2009 | CN201282023Y Oil immersion vertical current transformer |
| 07/29/2009 | CN201282022Y Oil loss inversion type current transformer |
| 07/29/2009 | CN201282021Y Current transformer |
| 07/29/2009 | CN201282020Y Capacitor admittance gas insulated electromagnetic voltage transformer |
| 07/29/2009 | CN201282019Y Voltage transformer for electric power system |
| 07/29/2009 | CN201282018Y Extra-high voltage capacitor voltage transformer |
| 07/29/2009 | CN201282017Y Capacitor voltage transformer capable of regulating error on site |
| 07/29/2009 | CN100520999C Leakage transformer |
| 07/23/2009 | US20090184792 Complex common mode choke |
| 07/23/2009 | DE112007002320T5 Transformator des Blechtyps und Entladungsleuchtenbeleuchtungsvorrichtung Transformer of the sheet type and discharge lamps lighting device |
| 07/23/2009 | DE102009003346A1 Kontaktloses Strom- und Datenübertragungsgerät Contactless power and data transfer device |
| 07/22/2009 | EP2081199A1 Noncontact power-transmission coil, portable terminal, and terminal charging device |
| 07/22/2009 | EP2079946A1 Transmission device having at least one shift element which can be actuated by means of an actuator arrangement which has at least one electrical component |
| 07/22/2009 | CN101490772A 照明系统 Lighting system |
| 07/22/2009 | CN101490771A Ignition coil |
| 07/22/2009 | CN101488393A Mutual inductor for latent current test |
| 07/22/2009 | CN100517527C Current transformer having an amorphous fe-based core |
| 07/21/2009 | US7564334 Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components |
| 07/16/2009 | WO2009089184A2 Device cover with embedded power receiver |
| 07/16/2009 | WO2009089146A1 Power transmission by electric field |
| 07/16/2009 | WO2009089058A1 System for isolating a medium voltage |
| 07/16/2009 | WO2009045847A3 Multiphase inductive power supply system |
| 07/16/2009 | US20090179501 Device cover with embedded power receiver |
| 07/16/2009 | DE19755140B4 Zündanlage mit Zündspule Ignition system with ignition coil |
| 07/16/2009 | CA2711610A1 System for isolating a medium voltage |
| 07/15/2009 | EP1325394B1 Wide ratio autotransformer-type current ranging |
| 07/09/2009 | US20090174339 High-efficiency single-ended forward-flyback electronic driver for barrier discharge lamps |
| 07/08/2009 | CN201270194Y Multiple winding casing tube at lead-out terminal of electricity generator, shielding type current mutual inductor |
| 07/08/2009 | CN201270193Y Insulator for stator and rotary transformer stator having the insulator |
| 07/02/2009 | WO2009081934A1 Plane coil, and non-contact power transmission device using the same |
| 07/01/2009 | EP2076094A1 Solid state light illuminator |
| 07/01/2009 | CN201266540Y Epoxy insulation sheath voltage mutual inductor |
| 07/01/2009 | CN101471174A Isolation transformer |
| 07/01/2009 | CN100507261C Electronic module for internal combustion engine ignition coil |
| 06/25/2009 | WO2009077195A1 Wireless energy transfer |