| Patents for H01F 27 - Details of transformers or inductances, in general (43,362) |
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| 10/06/2004 | CN2646838Y Electrical arc welder |
| 10/06/2004 | CN2646837Y Oil-immersed full-sealed environmental protection transformer without oil pressure |
| 10/06/2004 | CN1534697A Transformer and multi lamp tube voltage power supply circuit using transformer |
| 10/06/2004 | CN1534696A Inductive apparatus |
| 10/06/2004 | CN1534695A Choke and electronic appartus using the same |
| 10/05/2004 | US6801421 Switchable flux control for high power static electromagnetic devices |
| 10/05/2004 | US6801115 Bead inductor and method of manufacturing same |
| 10/05/2004 | US6801113 Proximity sensor with improved positioning accuracy for detection coil peripheral members |
| 10/05/2004 | US6801103 Noise filter |
| 10/05/2004 | US6800936 High-frequency module device |
| 09/30/2004 | WO2004084603A1 Open magnetic shield structure and its magnetic frame |
| 09/30/2004 | WO2004084368A1 A combined transformer and frefabricated substations |
| 09/30/2004 | WO2004084119A2 Resonant frequency tag and method for controlling tag frequency |
| 09/30/2004 | WO2004083625A1 Electromagnet for an electromagnetic valve |
| 09/30/2004 | US20040189434 Power supply module and electronic apparatus using the same |
| 09/30/2004 | US20040189433 Inductance device |
| 09/30/2004 | US20040189432 Integrated magnetics for a dc-dc converter with flexible output inductor |
| 09/30/2004 | US20040189431 Coil-embedded dust core and method for manufacturing the same |
| 09/30/2004 | US20040189430 Choke coil and electronic device using the same |
| 09/30/2004 | US20040189429 Liquid-cooled inductive devices with interspersed winding layers and directed coolant flow |
| 09/30/2004 | US20040188674 Electronic structures with reduced capacitance |
| 09/30/2004 | DE20318174U1 Two disk, two surface winding (sic) with opposite insulated individual disk windings (sic) wound from a band-type conductor of high critical temperature superconducting material useful for electric motors and generators |
| 09/30/2004 | DE202004011700U1 Electrical coil, with a wire winding around a coil body, has a mantle of sprayed thermoplastic foam with closed cells filled with a gas |
| 09/30/2004 | DE20122191U1 Choke and transformer device has cooling gap for carrying heat from inner region of choke and transformer to outside region |
| 09/30/2004 | DE19543765B4 Verfahren zur Herstellung von Kontaktzungen und deren Verbindung in an der Unterseite eines elektrischen Bauelements vergesehenen Anschlußstiften A process for the production of contact tongues and their connecting in vergesehenen at the bottom of an electrical component terminal pins |
| 09/30/2004 | DE10311523A1 Elektromagnet, insbesondere für ein Magnetventil Electromagnet, in particular for a solenoid valve |
| 09/30/2004 | DE10308745A1 Elektrische Maschine Electric machine |
| 09/30/2004 | CA2672690A1 Resonant frequency tag and method for controlling tag frequency |
| 09/30/2004 | CA2519473A1 Combined transformer and prefabricated substation |
| 09/30/2004 | CA2519104A1 Resonant frequency tag and method for controlling tag frequency |
| 09/29/2004 | EP1463069A2 Inductance device |
| 09/29/2004 | EP1461814A1 Integrated cooling duct for resin-encapsulated distribution transformer coils |
| 09/29/2004 | CN2645195Y High voltage triggering transformer for camera flashlight circuit |
| 09/29/2004 | CN2645194Y Out oil type expander |
| 09/29/2004 | CN2645193Y Electric insulation oil medium damage filter |
| 09/29/2004 | CN2645192Y Dry-type transformer fastening arrangement |
| 09/29/2004 | CN2645191Y 电抗器 Reactor |
| 09/29/2004 | CN1533681A Boosting transformer for driving magnetron |
| 09/29/2004 | CN1532857A Combined transformer |
| 09/29/2004 | CN1169170C Inductor |
| 09/29/2004 | CN1169169C Inductive element and buffer circuit using said inductive element |
| 09/28/2004 | US6798328 Coil apparatus |
| 09/28/2004 | US6798326 Inductor element and integrated circuit employing inductor element |
| 09/28/2004 | US6798107 Rotating electric machines with magnetic circuit for high voltage and method for manufacturing the same |
| 09/28/2004 | US6797037 Dehydrating breather apparatus and method |
| 09/28/2004 | US6796017 Slot core transformers |
| 09/23/2004 | WO2004082341A2 A sensor coil and method of manufacturing same |
| 09/23/2004 | US20040184292 Systems and methods for driving large capacity AC motors |
| 09/23/2004 | US20040183650 Magnet coil arrangement |
| 09/23/2004 | US20040183645 Inductance element, laminated electronic component, laminated electronic component module and method for producing these element, component and module |
| 09/23/2004 | US20040183644 Cores and core laminations for electromagnetic devices |
| 09/23/2004 | US20040183643 Inductive component and method for producing the same |
| 09/23/2004 | US20040183642 Electrical device, transformer, and inductor, and method of manufacturing electrical device |
| 09/23/2004 | US20040183641 Connecting structure of choke coil |
| 09/23/2004 | US20040183639 High density coil |
| 09/23/2004 | US20040183638 Ignition coil with optimized thermal stress relaxing member |
| 09/23/2004 | US20040183448 Transformer and voltage supply circuit thereof for lighting tubes |
| 09/23/2004 | US20040182602 High frequency electronic circuit component |
| 09/23/2004 | US20040182596 Method and apparatus for insulating magnet wire |
| 09/23/2004 | DE10310963A1 Coil construction for electromagnetic actuator for operation of IC engine valve, has measuring coil for measuring flux variations provided by actuator coil |
| 09/23/2004 | DE10307458A1 Coil assembly, especially for the ignition of an internal combustion engine has a cast mass to fix the coil and an elastic mass to bond the coil to the core, giving compensation for expansion |
| 09/23/2004 | DE102004011958A1 Mikro-Stromrichter mit mehreren Ausgängen Micro-power converter with multiple outputs |
| 09/22/2004 | EP1460655A2 Method for magnetic field reduction using the decoupling effects of multiple coil systems |
| 09/22/2004 | CN2643456Y Special type strong oil water cooler |
| 09/22/2004 | CN1531093A Microminiature power converter with multiple output |
| 09/22/2004 | CN1530973A Electronic element and producing method thereof |
| 09/22/2004 | CN1530911A Circuit board assembly and disc coil |
| 09/22/2004 | CN1168105C Winding frame for transformer |
| 09/22/2004 | CN1168103C Surface mounting coil and its producing method |
| 09/22/2004 | CN1168102C Inductance |
| 09/22/2004 | CN1168101C Coil and surface mounted type coil element |
| 09/22/2004 | CN1167932C Cooling device for transformer |
| 09/21/2004 | US6794978 Accurate multi-ground inductors for high-speed integrated circuits |
| 09/21/2004 | US6794977 Planar transformers |
| 09/21/2004 | US6794976 HF transformer assembly having a higher leakage inductance boost winding |
| 09/21/2004 | US6794975 Non-contact transformer |
| 09/21/2004 | US6794974 Ignition coil core isolation |
| 09/21/2004 | US6794769 Current mode coupler having a unitary casing |
| 09/21/2004 | US6792667 Fully automatic process for magnetic circuit assembly |
| 09/21/2004 | US6792666 Three-phase transformer |
| 09/16/2004 | WO2004079757A1 Switching power supply |
| 09/16/2004 | US20040179383 Micro power converter with multiple outputs |
| 09/16/2004 | US20040179319 Method for magnetic field reduction using the decoupling effects of multiple coil systems |
| 09/16/2004 | US20040178877 Silicon steel core for transformers or choke coils |
| 09/16/2004 | US20040178876 Circuit board assembly and flat coil |
| 09/16/2004 | US20040178874 Planar channel inductance |
| 09/16/2004 | US20040178873 Wound-rotor transformer and power source device using said wound-rotor transformer |
| 09/16/2004 | US20040178872 Electrical steel sheet for low-noise transformer and low-noise transformer |
| 09/16/2004 | US20040178489 Multilayer circuit and method of manufacturing |
| 09/16/2004 | US20040177492 Resonant frequency tag and method for controlling tag frequency |
| 09/16/2004 | DE10310210A1 Electromagnetic actuating device e.g. for combustion engine valves, has drive control circuit connected in series with coil |
| 09/16/2004 | DE10308077A1 Vorrichtung zur Energiespeicherung und Energietransformierung Apparatus for energy storage and energy transformation |
| 09/16/2004 | DE10040160B4 Drahtspule und Verwendung zur energetischen Beeinflussung eines Fluids Wire coil and use for energetic influence of a fluid |
| 09/15/2004 | EP1458226A2 Circuit board assembly and flat coil |
| 09/15/2004 | EP1456859A1 Inductive component |
| 09/15/2004 | EP0956571B1 Transformer with voltage regulating means |
| 09/15/2004 | EP0870353B1 Isolated electrical power supply |
| 09/15/2004 | EP0744757B1 D.c. reactor |
| 09/15/2004 | CN2641786Y Automatic overheat protective high voltage transformer for microwave oven |
| 09/15/2004 | CN2641785Y Resonance eliminated variable reactor |