| Patents for H01F 30 - Fixed transformers not covered by group (4,595) |
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| 04/10/2013 | CN103035389A Travelling-wave tube ring transformer and manufacturing method thereof |
| 04/10/2013 | CN103035388A Vertical column type transformer |
| 04/10/2013 | CN103035387A Hand-held coaxial forced water-cooled medium-frequency transformer |
| 04/10/2013 | CN103035386A Ultra-thin transformer |
| 04/10/2013 | CN103035385A Winded flat transformer |
| 04/04/2013 | WO2013048261A1 Wirelessly rechargeable battery and components thereof |
| 04/04/2013 | US20130083574 Dual-input nine-phase autotransformer for electric aircraft ac-dc converter |
| 04/03/2013 | EP2575148A1 Dual-input nine-phase autotransformer for electric aircraft AC-DC converter |
| 04/03/2013 | CN202855520U Transformer |
| 04/03/2013 | CN202855519U Power frequency single-phase resonance transformer used for calibrating and boosting voltage of voltage transformer on site |
| 04/03/2013 | CN202855518U 变压器 Transformer |
| 04/03/2013 | CN202855517U Transformer |
| 04/03/2013 | CN103026434A A multiphase transformer rectifier unit |
| 04/03/2013 | CN103026432A Outdoor dry-type transformer |
| 04/03/2013 | CN103026431A Planar inductor devices |
| 04/03/2013 | CN103021643A Multi-phase transformer |
| 03/27/2013 | CN202839281U Novel high frequency high pressure single transformer core annular transformer |
| 03/27/2013 | CN202839280U Scott transformer |
| 03/27/2013 | CN202839279U Three-phase three-winding traction and power hybrid transformer |
| 03/27/2013 | CN202839278U 绕线平面变压器 Planar transformer winding |
| 03/27/2013 | CN202839277U Transformer |
| 03/27/2013 | CN202839276U Ingot furnace transformer |
| 03/27/2013 | CN202839275U Pressure regulating rectifier transformer special for aluminum foil formation |
| 03/27/2013 | CN202839274U Small pin-type transformer capable of being connected with PCB conveniently |
| 03/27/2013 | CN202839273U Intelligent power distribution transformer |
| 03/27/2013 | CN202839271U Extra-high voltage transformer |
| 03/27/2013 | CN103003894A Multi-phase transformer and transformation system |
| 03/21/2013 | WO2013037696A1 An integrated magnetics component |
| 03/21/2013 | US20130069751 Transformer |
| 03/21/2013 | CA2846631A1 An integrated magnetics component |
| 03/20/2013 | CN202816630U Transformer for isolation amplifier |
| 03/20/2013 | CN202816629U Solar energy photovoltaic inverter grid-connected transformer |
| 03/20/2013 | CN202816628U High-frequency insulation power transformer |
| 03/20/2013 | CN202816627U High frequency high voltage high power density transformer |
| 03/20/2013 | CN202816626U Special high-frequency ultra-thin type drive transformer for daylight lamp |
| 03/20/2013 | CN202816625U Power amplifier transformer for medical instrument |
| 03/20/2013 | CN202816619U Extra-high voltage transformer |
| 03/20/2013 | CN202816579U Two-way output transformer |
| 03/20/2013 | CN102982986A Cylindrical three-phase isolation transformer with upper and lower yoke structure |
| 03/20/2013 | CN102982979A Pancake coil wound three-phase transformer |
| 03/20/2013 | CN102054572B 谐振变压器结构 Resonant transformer structure |
| 03/20/2013 | CN102044332B Transformer and transformer assembly |
| 03/14/2013 | US20130063239 Transformer incorporated in electronic circuits |
| 03/13/2013 | CN202799296U 智能照明能源管理与控制系统 Intelligent Lighting Energy Management and Control System |
| 03/13/2013 | CN202796401U High frequency switching power supply transformer |
| 03/13/2013 | CN202796400U Intelligent dry-type transformer |
| 03/13/2013 | CN202796399U Transformer with balance coil |
| 03/13/2013 | CN202796398U T1 / E1 transformer with integrated up-down structure |
| 03/13/2013 | CN202796397U Printed circuit board (PCB) planar transformer |
| 03/13/2013 | CN202796366U Lateral outlet bus bar structure of dry type transformer |
| 03/13/2013 | CN102971811A 变压器 Transformer |
| 03/13/2013 | CN102969135A Ring-shaped transformer |
| 03/13/2013 | CN102969134A Transformer for induction hardening |
| 03/13/2013 | CN102969128A Method for optimal layout of multiple layers of parallel windings of planar transformer |
| 03/13/2013 | CN102169753B Three-phase transformer with Y-shaped core |
| 03/13/2013 | CN101819865B Combined transformer |
| 03/13/2013 | CN101711087B Fluorescent lamp dimming drive device and dimming method therefor |
| 03/12/2013 | US8395469 Multi-phase transformer |
| 03/07/2013 | WO2013029832A1 Process for the impregnation of air core reactors, impregnated air core reactor and use of an impregnation system |
| 03/07/2013 | CA2845151A1 Process for the impregnation of air core reactors, impregnated air core reactor and use of an impregnation system |
| 03/06/2013 | EP2565882A1 Inductive electronic subassembly and use of same |
| 03/06/2013 | CN202771940U Double voltage transformer with alarming function |
| 03/06/2013 | CN202771939U Transformer with remote monitoring function |
| 03/06/2013 | CN202771938U SMD (surface mounted device) transformer |
| 03/06/2013 | CN202771937U Anti-theft transformer |
| 03/06/2013 | CN102956350A Integrated high-frequency power transformer |
| 03/06/2013 | CN102077307B Transformer, power converter using the transformer, lighting device, lamp for vehicle, and vehicle |
| 03/06/2013 | CN101794321B Single-phase three-winding autotransformer model taking account of nonlinear influences of excitation impedance |
| 03/05/2013 | US8390414 Multi-phase transformer |
| 02/28/2013 | WO2013027447A1 Transformer |
| 02/27/2013 | CN202758726U Single-phase power saving auto-transformer |
| 02/27/2013 | CN202758725U Fully-sealed power transformer with simple oil conservator |
| 02/27/2013 | CN202758724U Three-dimensional wound core auto-transformer |
| 02/27/2013 | CN102945741A Three-phase three-pole H-class open type SGB10 amorphous alloy transformer |
| 02/27/2013 | CN102945740A Special three-phase three-pole amorphous alloy transformer for solar power generation |
| 02/27/2013 | CN102945739A Power-frequency single-phase resonant transformer for calibration and boosting of voltage transformer |
| 02/26/2013 | US8384371 Various methods and apparatuses for an integrated zig-zag transformer |
| 02/21/2013 | US20130043968 Vertically oriented semiconductor device and shielding structure thereof |
| 02/20/2013 | CN202749213U Dry type transformer with single phase isolation transformer |
| 02/20/2013 | CN202749212U 72pin network transformer |
| 02/20/2013 | CN102939521A Internal fault indicator for electrical equipment |
| 02/20/2013 | CN102938308A Zigzag type phase shift auto-transformer |
| 02/20/2013 | CN102074340B 变压器结构及其制造方法 Structure and a method of manufacturing a transformer |
| 02/19/2013 | US8378660 Programmable integrated circuit device to support inductive sensing |
| 02/14/2013 | DE202013000831U1 Transformator Transformer |
| 02/13/2013 | EP2556521A1 Outdoor dry-type transformer |
| 02/13/2013 | CN202736696U Annular transformer convenient to wind |
| 02/13/2013 | CN202736695U Annular transformer |
| 02/13/2013 | CN202736694U Anti-vibration ring transformer |
| 02/13/2013 | CN202736693U Stable ring transformer |
| 02/13/2013 | CN202736692U Shake-proof annular transformer convenient to wind |
| 02/13/2013 | CN202736691U Three-phase heart-shaped star transformer |
| 02/13/2013 | CN202736690U Axially split transformer structure |
| 02/13/2013 | CN202736689U Dry type lightning protection transformer |
| 02/13/2013 | CN202736688U Dry type transformer with breaking and protecting capacity |
| 02/13/2013 | CN102930965A Novel T-shaped wiring dry-type transformer with two amorphous alloy cores |
| 02/12/2013 | US8373529 Amorphous metal continuous flux path transformer and method of manufacture |
| 02/12/2013 | US8373308 Device and method for generating alternating current |
| 02/06/2013 | CN202721018U Sunken plate type transformer |
| 01/31/2013 | WO2013015701A1 Delta magnetic core |