| Patents for H01F 27 - Details of transformers or inductances, in general (43,362) |
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| 06/22/1997 | CA2193442A1 Foils |
| 06/19/1997 | WO1997022168A1 Isolated electrical power supply |
| 06/19/1997 | DE19547091A1 Aerial coil with surface mounted (SMD) casing e.g. for motor vehicle safety engineering |
| 06/18/1997 | EP0779634A1 Current transformer and method for making same |
| 06/18/1997 | EP0779633A1 Magnetic core |
| 06/17/1997 | US5639566 Magnetic core |
| 06/12/1997 | WO1997021233A1 High isolation power transformer |
| 06/12/1997 | WO1997021232A1 Transformer with divided primary winding used in a blocking-oscillator supply circuit |
| 06/12/1997 | DE19700443A1 Transformer esp. for high precision direct current supply with high common mode rejection |
| 06/12/1997 | DE19545304A1 Transformator mit aufgeteilter Primärwicklung in einer Sperrwandler-Versorgungsschaltung Transformer with split primary winding in a flyback power supply circuit |
| 06/11/1997 | EP0746861B1 Multiple parallel conductor for windings of electric machines and devices |
| 06/11/1997 | CN2256153Y Converted hexafluoro-sulfide high voltage current mutual inductor |
| 06/11/1997 | CN2256149Y Electronic transformer with circuit cut-off protection |
| 06/11/1997 | CN2256148Y Thyristor regulating A.C. arc welding transformer working at 380 V source |
| 06/11/1997 | CN2256147Y Three phase energy saving A.C. arc welding transformer |
| 06/11/1997 | CN2256146Y Fixing structure of arc welding transformer coils |
| 06/11/1997 | CN2256145Y Sealed electronic transformer |
| 06/05/1997 | WO1997020330A1 Flexible coil winding structure of flyback transformer and manufacturing process thereof |
| 06/05/1997 | WO1997020329A1 Flexible coil winding structure of flyback transformer and manufacturing process thereof |
| 06/04/1997 | EP0777239A1 Casing arrangement for containing an encapsulated electronic component |
| 06/04/1997 | EP0522014B1 Cable coupling transformer |
| 06/04/1997 | CN2255659Y High energy-saving electric transformer preventing fraudulent use of electricity |
| 06/04/1997 | CN2255658Y Transformer for power-supply output of frequency converter |
| 06/04/1997 | CN1151223A Differential current protective switch with special core material |
| 06/03/1997 | US5635892 High Q integrated inductor |
| 06/03/1997 | US5635891 Line filter |
| 06/03/1997 | US5635890 Choke coil |
| 06/03/1997 | US5634262 For use in an electric vehicle electronics module |
| 06/03/1997 | US5634261 Process for fixing a winding to an electronic circuit |
| 05/29/1997 | WO1997019458A1 Inductive component |
| 05/28/1997 | EP0776064A2 Solder terminal, in particular for an application in a coil bobbin |
| 05/28/1997 | EP0775765A2 Plating permeable cores |
| 05/28/1997 | DE19543765A1 Electric component with axially brought out terminal pins |
| 05/28/1997 | CN2255119Y Contravariant power supply sepcial for food cold storage cart |
| 05/27/1997 | US5633019 Encapsulated transformer, method of making encapsulated transformer and apparatus for making encapsulated transformer |
| 05/27/1997 | US5632259 Ignition apparatus for an internal combustion engine |
| 05/22/1997 | WO1997018570A1 Cylindrical coil winding structure of flyback transformer |
| 05/22/1997 | DE19544386A1 Fitting inclined bushings to transformer tanks |
| 05/22/1997 | DE19544385A1 Fitting inclined HV bushings to transformer tanks |
| 05/21/1997 | EP0773979A1 Single- or two-component reaction adhesive |
| 05/21/1997 | CN2254587Y High-activity coefficient radiation reactor iron-core cake |
| 05/21/1997 | CN1150316A Device for filtering liquid medium and power electronics unit incorporating device of this kind |
| 05/20/1997 | US5631822 Integrated planar magnetics and connector |
| 05/14/1997 | EP0663599B1 Magnetic sensor and magnetic detector |
| 05/14/1997 | CN1149749A Flyback transformer |
| 05/14/1997 | CN1149748A Three balance three sectiont ransformer |
| 05/13/1997 | US5629842 Two-stage, high voltage inductor |
| 05/13/1997 | US5629661 Choke coil for eliminating common mode noise and normal mode noise |
| 05/13/1997 | US5628861 Method for adhesively bonded laminate for use in an electrical apparatus such as a transformer, generator, or motor |
| 05/07/1997 | EP0772286A1 Power supply for high voltage and high power |
| 05/07/1997 | DE19606253C1 Method of manufacturing choke coil core with core arms arranged in series from plate packets at axial intervals formed by ceramic plates |
| 05/07/1997 | DE19606252C1 Pressing of windings and cores for high power HV choke coils and transformers |
| 05/06/1997 | CA2130055C Horizontal compartmentized square bobbin of high-voltage transformer |
| 05/02/1997 | EP0771013A1 Monolithic multilayer ultra thin chip inductors and method for making same |
| 05/02/1997 | EP0771012A2 Printed coil type transformer |
| 05/02/1997 | EP0771011A1 Mixed magnetic core |
| 05/01/1997 | WO1997015937A1 Electrical winding with a low potential difference between adjacent turns |
| 05/01/1997 | CA2208260A1 Electric coil with a low voltage differential between adjacent windings |
| 04/30/1997 | CN2253515Y Dynamic focusing interference preventer of kickback transformer |
| 04/30/1997 | CN2253514Y Secondayr coil bobbin of inductive transformer for neon lamp |
| 04/30/1997 | CN2253513Y Electric outlet casing |
| 04/30/1997 | CN2253512Y Anti-theft device for transformer and its material |
| 04/30/1997 | CN2253113Y High-tension transformer for electronic mosquito-killing and fly-catching apparatus |
| 04/29/1997 | US5625520 Device for preventing a high voltage transformer of a microwave oven from being overheated |
| 04/25/1997 | CA2188382A1 Composite magnetic core |
| 04/23/1997 | EP0769792A1 Bobbin and method for its connection on a support |
| 04/23/1997 | CN2253043Y Format arc lamp fire resistance ballast |
| 04/23/1997 | CN2253041Y High valtage metering power transformer |
| 04/23/1997 | CN2253040Y Double water cooled transformer |
| 04/23/1997 | CN2253039Y Voltage release device |
| 04/22/1997 | US5623125 Rod bushing for an electrical transformer |
| 04/17/1997 | WO1997014170A1 Coil winding structure of flyback transformer |
| 04/17/1997 | DE19542179C1 Transformer and choke coil pressing and clamping method |
| 04/16/1997 | CN2252393Y One-way break joint transformer core |
| 04/16/1997 | CN2252392Y Dished tubular metal expander |
| 04/16/1997 | CN2252391Y Transformer anti-prizing device |
| 04/15/1997 | US5621372 Single phase dry-type transformer |
| 04/10/1997 | WO1997013321A1 Device for the absorption of electrical noise |
| 04/10/1997 | WO1997013262A1 Smd coil |
| 04/09/1997 | CN2251783Y Special-purpose low voltage transformer for electric heating blanket |
| 04/09/1997 | CN2251782Y Terminal of transformer |
| 04/08/1997 | US5619400 Magnetic core structures and construction techniques therefor |
| 04/08/1997 | US5619176 System for coupling external leads to a multitap transformer |
| 04/03/1997 | WO1997012379A1 Method and device for preventing explosions and fires in electrical transformers |
| 04/03/1997 | WO1997012377A1 An insulated conductor and process for making an insulated conductor |
| 04/03/1997 | DE19536473A1 SMD-Spule SMD coil |
| 04/03/1997 | DE19536267A1 Adjustable inductive electric component esp. SIMID choke |
| 04/03/1997 | DE19536155A1 Einrichtung zum Absorbieren des elektrischen Rauschens Means for absorbing the electrical noise |
| 04/03/1997 | CA2231656A1 An insulated conductor and process for making an insulated conductor |
| 04/02/1997 | EP0766274A2 Transformer structure |
| 04/02/1997 | EP0766273A2 Transformer structure |
| 04/02/1997 | CN2251188Y Energy-saving capacity-increasing fan apparatus for power transformer |
| 04/01/1997 | US5617479 Global quieting system for stationary induction apparatus |
| 04/01/1997 | US5615659 Ignition apparatus for internal combustion engine |
| 03/26/1997 | EP0764956A2 Electric component to be mounted on double printed circuit boards |
| 03/26/1997 | EP0764955A1 Composite magnetic material with reduced permeability and losses |
| 03/26/1997 | CN1146255A Improvements relating to transformers/inductors |
| 03/25/1997 | US5615091 Isolation power supply |
| 03/25/1997 | US5614757 Monolithic multilayer chip inductor having a no-connect terminal |
| 03/20/1997 | WO1997010607A1 Inductive device |