| Patents for H01F 30 - Fixed transformers not covered by group (4,595) |
|---|
| 10/11/2006 | CN1846334A Electrical cable and connector assembly with voltage step down system |
| 10/11/2006 | CN1845270A Extended box type transformer module |
| 10/11/2006 | CN1279557C Improved structure of high-voltage transformer |
| 10/10/2006 | US7120492 Flyback transformer wire attach method to printed circuit board |
| 10/10/2006 | US7119647 Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components without requiring additional windings |
| 10/05/2006 | WO2006105024A2 A transformer having a stacked core with a cruciform leg and a method of making the same |
| 10/05/2006 | US20060220777 Magnetic element and power supply |
| 10/05/2006 | DE112004002002T5 Gleichrichtungssystem zur Verbesserung der Qualität von Stromversorgungssystemen Detection system to improve the quality of power supply systems |
| 10/05/2006 | CA2601894A1 A transformer having a stacked core with a cruciform leg and a method of making the same |
| 10/04/2006 | CN1841901A 微型电功率转换器 Micro-electrical power converter |
| 10/04/2006 | CN1841585A Transformer |
| 10/04/2006 | CN1841584A Transformer |
| 10/04/2006 | CN1841582A Magnetic element and power supply |
| 10/03/2006 | US7116203 Circuit using choke coil and choke coil |
| 09/26/2006 | US7113065 Modular inductor for use in power electronic circuits |
| 09/26/2006 | US7112946 Transformer with selectable input to output phase angle relationship |
| 09/20/2006 | CN2819413Y Ultrathin step up transformer |
| 09/20/2006 | CN1276441C Step-up transformer for driving magnetron |
| 09/20/2006 | CN1276261C Instrument transformer |
| 09/19/2006 | US7109836 Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components without requiring additional windings |
| 09/14/2006 | US20060203521 Switching power supply apparatus |
| 09/14/2006 | US20060202790 Toroidal inductive devices and methods of making the same |
| 09/13/2006 | CN2817019Y Standard inductance box |
| 09/13/2006 | CN2817018Y Low-impedance energy-saving transformer for oil-field |
| 09/13/2006 | CN2817017Y Transformer and multiple lamp-tube driving circuit using same |
| 09/13/2006 | CN2817015Y Submersible distribution transformer |
| 09/13/2006 | CN1832066A Current balance transformer and electric-discharge lamp alight apparatus using thereof |
| 09/13/2006 | CN1275266C Phase-reversing transformer and phase inverter circuit |
| 09/12/2006 | US7105952 Distributed floating series active impendances for power transmission systems |
| 09/07/2006 | US20060197511 Transformer with protection against direct current magnetization caused by zero sequence current |
| 09/06/2006 | CN2814635Y Improved electric transformer |
| 09/06/2006 | CN1828791A Transformer and power supply apparatus |
| 09/06/2006 | CN1828790A Railway high voltage traction transformer |
| 09/05/2006 | US7102343 Methods and systems having multiple cooperating transformers |
| 08/31/2006 | WO2006072635A3 Device and method for winding a closed toroidal core |
| 08/31/2006 | US20060192649 Insulating element, toroidal core, toroidal core choke, and method for producing said toroidal core choke |
| 08/30/2006 | CN1272812C High-voltage transformer |
| 08/24/2006 | WO2006087403A2 Device for the inductive coupling of a data-transmission unit to a phase of an electrical power line and corresponding production method |
| 08/24/2006 | US20060187688 Switching power supply apparatus |
| 08/24/2006 | US20060186979 Magnetic element and method of manufacturing magnetic element |
| 08/24/2006 | US20060186978 Magnetic element and method of manufacturing magnetic element |
| 08/23/2006 | CN2809820Y Resin insulated noncrystalline alloy dry type transformer |
| 08/23/2006 | CN1271649C Fault phase-supplementing combined transformer |
| 08/22/2006 | US7095308 Step-up transformer |
| 08/17/2006 | US20060181252 Switching power supply apparatus and electronic device using the same |
| 08/17/2006 | DE102005006344A1 Isolierteil und Ringkerndrossel Insulation and toroidal choke |
| 08/16/2006 | EP1129518A4 Electric motor |
| 08/16/2006 | CN2807429Y Voltage transformer module with improved construction |
| 08/16/2006 | CN2807428Y Auto-transformer of adjustable transformer |
| 08/16/2006 | CN2807424Y Plane surface three-phase transformer core |
| 08/16/2006 | CN1820332A Transformer apparatus, method for manufacturing the same, and high-frequency heating device having the same |
| 08/16/2006 | CN1819078A Star-shaped and triangular grounding balancing voltage transformer with three-phase to two-phase and three-phase to three-phase |
| 08/10/2006 | DE102005002925A1 Piezoelectric transducer manufacture involves applying film section on surface area of base body, handling film section such that it adheres on surface of body, and passivating surface by insulating layer |
| 08/09/2006 | CN2805041Y Transformer, and circuit for driving discharge lamp tube therewith |
| 08/09/2006 | CN1269152C High-tension transformer |
| 08/03/2006 | WO2006080251A1 Highly heat-resistant static device for electric power |
| 08/03/2006 | CA2592352A1 Highly heat-resistant static device for electric power |
| 08/02/2006 | CN2802898Y Electronic transformer for low-tension lamp |
| 08/02/2006 | CN2802677Y Double-loop conversion transformer and single-electrode fluorescent lamp mounted with transformer |
| 08/02/2006 | CN2802675Y Converter transformer structure with step-up shunt loading balance |
| 08/02/2006 | CN1812017A Star-ladder type wiring three-phase to two phase balance transformer |
| 08/01/2006 | CA2198656C Transformer |
| 07/27/2006 | WO2006078060A1 Magnetic core for transformer |
| 07/27/2006 | WO2006077872A1 Gap sheet and magnetic core having such gap sheet inserted therein |
| 07/27/2006 | US20060164197 Transformer winding structure |
| 07/26/2006 | EP1279177B1 A wound transformer core and a method and apparatus for manufacturing thereof |
| 07/26/2006 | CN2800456Y Structure improvement of neon light transformer |
| 07/26/2006 | CN1266716C Coil module, transformer having the coil module and manufacturing method thereof |
| 07/19/2006 | CN2798270Y Iron core for three-dimensional stereo triphase transformer |
| 07/19/2006 | CN1806301A High-frequency heating device |
| 07/19/2006 | CN1805083A Star-double trapezoid wired three-to-four-phase or three-to-two phase balanced transformer |
| 07/18/2006 | US7078997 Transformer assembly, and power conversion apparatus and solar power generation apparatus using the same |
| 07/12/2006 | CN2796046Y Transformer structure |
| 07/12/2006 | CN2796045Y Transformer structure |
| 07/12/2006 | CN1264174C Inductance coils |
| 07/11/2006 | US7075779 Voltage transformer with hinged housing |
| 07/06/2006 | WO2006070544A1 Magnetic device |
| 07/06/2006 | CA2588094A1 Magnetic device |
| 07/05/2006 | CN2793889Y Zero-adjusting and self-coupling transformer and voltage adjuster |
| 07/05/2006 | CN1797623A Transducing transformer in double loop, and monopolar fluorescent lamp of installing the transformer |
| 07/05/2006 | CN1263049C Step-up transformer for high frequency heater |
| 07/04/2006 | CA2434227C High-voltage transformer |
| 06/28/2006 | EP1675139A2 Power source for plasma device |
| 06/28/2006 | CN2791826Y High-frequency transformer structure |
| 06/28/2006 | CN1794554A Power source for plasma device |
| 06/28/2006 | CN1261753C Electronic transformer/inductor device and methods for making same |
| 06/23/2006 | CA2506051A1 Power source for plasma device |
| 06/22/2006 | WO2006063436A1 Two part transformer core, transformer and method of manufacture |
| 06/22/2006 | US20060132276 Electronic transformer/inductor devices and methods for making same |
| 06/21/2006 | CN2789902Y Three-phase converting two-phase dry transformer |
| 06/21/2006 | CN2789898Y Transformer insert structure |
| 06/21/2006 | CN1790564A High-voltage transformer |
| 06/14/2006 | EP1668756A2 Distributed floating series active impedances for power transmission systems |
| 06/14/2006 | DE202006005681U1 Auxillary winding carrier for transformer`s circular coil, has isolation sections and output wire holder that are designed as individual parts, and output wire holder attached at outer surface of isolation sections in detachable manner |
| 06/14/2006 | DE10260246B4 Spulenanordnung mit veränderbarer Induktivität Coil arrangement with variable inductance |
| 06/14/2006 | CN2788321Y Improved structure of converter transformer |
| 06/14/2006 | CN1259675C Out going line method of transformer and its structure |
| 06/14/2006 | CA2490453A1 Two part transformer core, transformer and method of manufacture |
| 06/13/2006 | US7061360 Transformer/rectifier arrangement |
| 06/13/2006 | US7061357 High voltage transformer and microwave oven provided with the same |